IAA Minor Planet Database| Epoch (TDB) | 2025-11-21 (JD 2461000.5) |
|---|---|
| Eccentricity (e) | 0.3248812195 ± 2.00e+00 |
| Semi-major axis (a) | 1.2485978808 AU ± 3.00e+00 |
| Inclination (i) | 15.31792369° ± 4.00e+00 |
| Long. of Asc. Node (Ω) | 8.87018800° ± 5.00e+00 |
| Arg. of Perihelion (ω) | 233.73577246° ± 6.00e+00 |
| Mean Anomaly (M) | 7.07531822° ± 6.68e-05 |
| Mean Motion (n) | 0.7064450492°/day ± 2.55e+00 |
| Perihelion dist (q) | 0.84295188 AU ± 3.22e+00 |
| Aphelion dist (Q) | 1.65424388 AU ± 4.69e+00 |
| Orbital Period | 1.39519172 yr ± 5.03e+00 |
| NGA Model | r2 |
| A2 | -1.38437815e-06 AU/d² |
| H (abs. magnitude) | 17.14 |
|---|---|
| G (slope) | 0.15 |
1985 SD, 1985 TO2
| Source | IAA |
|---|---|
| Solution Date | 2026-04-26 |
| RMS Residual | 0.481″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.045618 AU |
| Observations Used | 2393 |
| Gaia Obs Used | 147 |
| Oppositions | 18 |
| Arc Total | 1953-2017 |
| First Observation Used | 1953-10-12 |
| Last Observation Used | 2025-01-18 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 2023-12-29 15:05:06 | S | 06 09 06.931 | +62 35 17.88 | – | V | C57 |
| 2023-12-29 15:05:06 | s | 1 +97777.916 | 0 +294355.42 | 8850.0 | – | C57 |
| 2023-12-29 15:25:06 | S | 06 09 02.950 | +62 35 18.10 | – | V | C57 |
| 2023-12-29 15:25:06 | s | 1 +96946.873 | 0 +294230.44 | 4360.0 | – | C57 |
| 2023-12-29 15:45:06 | S | 06 08 59.134 | +62 35 24.04 | – | V | C57 |
| 2023-12-29 15:45:06 | s | 1 +96113.928 | 0 +294099.77 | 8370.0 | – | C57 |
| 2023-12-29 16:05:06 | S | 06 08 55.236 | +62 35 25.91 | – | V | C57 |
| 2023-12-29 16:05:06 | s | 1 +95279.099 | 0 +293963.43 | 730.0 | – | C57 |
| 2023-12-29 18:25:06 | S | 06 08 27.233 | +62 35 42.68 | – | V | C57 |
| 2023-12-29 18:25:06 | s | 1 +89383.102 | 0 +292847.89 | 7560.0 | – | C57 |
| 2023-12-29 18:45:06 | S | 06 08 23.458 | +62 35 46.90 | – | V | C57 |
| 2023-12-29 18:45:06 | s | 1 +88533.484 | 0 +292665.30 | 940.0 | – | C57 |
| 2023-12-29 19:05:06 | S | 06 08 18.665 | +62 35 42.54 | – | V | C57 |
| 2023-12-29 19:05:06 | s | 1 +87682.071 | 0 +292476.88 | 1240.0 | – | C57 |
| 2023-12-29 19:25:06 | S | 06 08 15.036 | +62 35 48.44 | – | V | C57 |
| 2023-12-29 19:25:06 | s | 1 +86828.859 | 0 +292282.56 | 8240.0 | – | C57 |
| 2023-12-29 19:45:06 | S | 06 08 11.268 | +62 35 50.17 | – | V | C57 |
| 2023-12-29 19:45:06 | s | 1 +85973.867 | 0 +292082.34 | 1820.0 | – | C57 |
| 2023-12-29 20:25:06 | S | 06 08 03.713 | +62 35 55.72 | – | V | C57 |
| 2023-12-29 20:25:06 | s | 1 +84258.587 | 0 +291664.17 | 7980.0 | – | C57 |
| 2023-12-29 21:08:26 | S | 06 07 54.502 | +62 36 00.22 | – | V | C57 |
| 2023-12-29 21:08:26 | s | 1 +82392.500 | 0 +291184.38 | 6030.0 | – | C57 |
| 2023-12-29 21:28:26 | S | 06 07 49.884 | +62 36 01.37 | – | V | C57 |
| 2023-12-29 21:28:26 | s | 1 +81528.482 | 0 +290953.43 | 9140.0 | – | C57 |
| 2023-12-29 21:48:26 | S | 06 07 46.433 | +62 36 04.07 | – | V | C57 |
| 2023-12-29 21:48:26 | s | 1 +80662.754 | 0 +290716.49 | 7760.0 | – | C57 |
| 2023-12-29 22:08:26 | S | 06 07 42.372 | +62 36 06.05 | – | V | C57 |
| 2023-12-29 22:08:26 | s | 1 +79795.303 | 0 +290473.45 | 1650.0 | – | C57 |
| 2023-12-29 22:28:26 | S | 06 07 38.263 | +62 36 05.87 | – | V | C57 |
| 2023-12-29 22:28:26 | s | 1 +78926.176 | 0 +290224.42 | 730.0 | – | C57 |
| 2023-12-29 22:48:26 | S | 06 07 34.570 | +62 36 10.26 | – | V | C57 |
| 2023-12-29 22:48:26 | s | 1 +78055.374 | 0 +289969.33 | 4780.0 | – | C57 |
| 2023-12-29 23:08:26 | S | 06 07 30.449 | +62 36 15.80 | – | V | C57 |
| 2023-12-29 23:08:26 | s | 1 +77182.882 | 0 +289708.09 | 3560.0 | – | C57 |
| 2023-12-29 23:28:26 | S | 06 07 26.549 | +62 36 07.31 | – | V | C57 |
| 2023-12-29 23:28:26 | s | 1 +76308.750 | 0 +289440.80 | 6980.0 | – | C57 |
| 2023-12-29 23:48:26 | S | 06 07 22.313 | +62 36 17.53 | – | V | C57 |
| 2023-12-29 23:48:26 | s | 1 +75432.977 | 0 +289167.40 | 4840.0 | – | C57 |
| 2023-12-30 00:08:26 | S | 06 07 19.229 | +62 36 17.24 | – | V | C57 |
| 2023-12-30 00:08:26 | s | 1 +74555.550 | 0 +288887.78 | 6860.0 | – | C57 |
| 2023-12-30 00:28:26 | S | 06 07 14.074 | +62 36 20.45 | – | V | C57 |
| 2023-12-30 00:28:26 | s | 1 +73676.519 | 0 +288602.06 | 2980.0 | – | C57 |
| 2023-12-30 00:48:26 | S | 06 07 10.140 | +62 36 19.66 | – | V | C57 |
| 2023-12-30 00:48:26 | s | 1 +72795.882 | 0 +288310.17 | 2970.0 | – | C57 |
| 2023-12-30 01:08:26 | S | 06 07 06.391 | +62 36 23.62 | – | V | C57 |
| 2023-12-30 01:08:26 | s | 1 +71913.628 | 0 +288012.00 | 6540.0 | – | C57 |
| 2023-12-30 01:28:26 | S | 06 07 02.796 | +62 36 25.45 | – | V | C57 |
| 2023-12-30 01:28:26 | s | 1 +71029.806 | 0 +287707.67 | 3650.0 | – | C57 |
| 2023-12-30 01:48:26 | S | 06 06 58.512 | +62 36 24.48 | – | V | C57 |
| 2023-12-30 01:48:26 | s | 1 +70144.415 | 0 +287397.11 | 4060.0 | – | C57 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 1999-03-22 19:00:00 | 256120.928 | 2 | Hz | 8560 | -14 | -14 |
| 1999-03-22 19:10:00 | 255413.3 | 0.8 | Hz | 8560 | -14 | -14 |
| 1999-03-22 20:20:00 | 60196743 | 15 | us | 8560 | -14 | -14 |
| 1999-03-23 17:20:00 | 200657.153 | 2 | Hz | 8560 | -14 | -14 |
| 1999-03-23 18:00:00 | 58222201 | 13 | us | 8560 | -14 | -14 |
| 1999-03-23 19:40:00 | 189775.86 | 0.6 | Hz | 8560 | -14 | -14 |
| 1999-03-24 19:20:00 | 56606774 | 10 | us | 8560 | -14 | -14 |
| 1999-03-24 19:50:00 | 56581684 | 6 | us | 8560 | -14 | -14 |
| 1999-03-24 20:40:00 | 56541351.5 | 3 | us | 8560 | -14 | -14 |
| 1999-03-24 22:40:00 | 98798.44 | 0.6 | Hz | 8560 | -14 | -14 |
| 1999-03-25 18:20:00 | 55871151.77 | 0.35 | us | 8560 | -14 | -14 |
| 1999-03-25 18:30:00 | 49750.55 | 0.6 | Hz | 8560 | -14 | -14 |
| 1999-03-25 20:00:00 | 55839294.5 | 3 | us | 8560 | -14 | -14 |
| 1999-03-26 03:00:00 | 55794584.04 | 3 | us | 8560 | -14 | -14 |
| 1999-03-26 19:00:00 | 55883749.15 | 3 | us | 8560 | -14 | -14 |
| 1999-03-26 23:10:00 | 55968454.29 | 0.35 | us | 8560 | -14 | -14 |
| 1999-03-26 23:10:00 | -64518.617 | 2.5 | Hz | 8560 | -14 | -14 |