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 |
|---|---|---|---|---|---|---|
| 2023-12-27 08:55:31 | C | 06 18 28.402 | +62 13 39.07 | – | V | T08 |
| 2023-12-27 09:00:02 | C | 06 18 27.468 | +62 13 41.05 | – | V | T08 |
| 2023-12-27 09:04:23 | C | 06 18 26.436 | +62 13 42.53 | – | V | T08 |
| 2023-12-27 09:17:04 | C | 06 18 24.221 | +62 13 45.73 | – | V | T08 |
| 2023-12-28 01:41:46 | S | 06 16 24.535 | +62 27 39.02 | – | V | C57 |
| 2023-12-28 01:41:46 | s | 1 +176994.13 | 0 +275953.61 | 7780.0 | – | C57 |
| 2023-12-28 02:01:46 | S | 06 16 20.825 | +62 27 45.04 | – | V | C57 |
| 2023-12-28 02:01:46 | s | 1 +176424.86 | 9 +276374.06 | 3340.0 | – | C57 |
| 2023-12-28 02:21:46 | S | 06 16 17.448 | +62 27 50.08 | – | V | C57 |
| 2023-12-28 02:21:46 | s | 1 +175852.93 | 9 +276790.36 | 7440.0 | – | C57 |
| 2023-12-28 02:41:46 | S | 06 16 13.399 | +62 27 55.01 | – | V | C57 |
| 2023-12-28 02:41:46 | s | 1 +175278.30 | 8 +277202.46 | 30.0 | – | C57 |
| 2023-12-28 03:01:46 | S | 06 16 09.396 | +62 28 03.11 | – | V | C57 |
| 2023-12-28 03:01:46 | s | 1 +174700.97 | 7 +277610.32 | 1170.0 | – | C57 |
| 2023-12-28 05:21:46 | S | 06 15 43.013 | +62 28 37.42 | – | V | C57 |
| 2023-12-28 05:21:46 | s | 1 +170585.11 | 3 +280346.90 | 9270.0 | – | C57 |
| 2023-12-28 05:41:46 | S | 06 15 39.122 | +62 28 41.48 | – | V | C57 |
| 2023-12-28 05:41:46 | s | 1 +169986.54 | 0 +280720.77 | 2950.0 | – | C57 |
| 2023-12-28 06:01:46 | S | 06 15 35.160 | +62 28 45.52 | – | V | C57 |
| 2023-12-28 06:01:46 | s | 1 +169385.32 | 0 +281090.30 | 6060.0 | – | C57 |
| 2023-12-28 06:21:46 | S | 06 15 31.476 | +62 28 51.46 | – | V | C57 |
| 2023-12-28 06:21:46 | s | 1 +168781.50 | 2 +281455.57 | 8860.0 | – | C57 |
| 2023-12-28 06:41:46 | S | 06 15 27.862 | +62 28 54.26 | – | V | C57 |
| 2023-12-28 06:41:46 | s | 1 +168175.05 | 6 +281816.50 | 1310.0 | – | C57 |
| 2023-12-28 07:01:46 | S | 06 15 23.935 | +62 29 05.89 | – | V | C57 |
| 2023-12-28 07:01:46 | s | 1 +167565.98 | 3 +282173.06 | 3490.0 | – | C57 |
| 2023-12-28 11:01:46 | S | 06 14 37.445 | +62 30 04.54 | – | V | C57 |
| 2023-12-28 11:01:46 | s | 1 +160055.72 | 6 +286110.01 | 9290.0 | – | C57 |
| 2023-12-28 11:21:46 | S | 06 14 33.470 | +62 30 06.62 | – | V | C57 |
| 2023-12-28 11:21:46 | s | 1 +159413.27 | 3 +286409.26 | 7760.0 | – | C57 |
| 2023-12-28 11:41:46 | S | 06 14 29.998 | +62 30 12.20 | – | V | C57 |
| 2023-12-28 11:41:46 | s | 1 +158768.28 | 4 +286704.00 | 7360.0 | – | C57 |
| 2023-12-28 12:01:46 | S | 06 14 25.121 | +62 30 15.30 | – | V | C57 |
| 2023-12-28 12:01:46 | s | 1 +158120.76 | 0 +286994.21 | 8200.0 | – | C57 |
| 2023-12-28 12:21:46 | S | 06 14 21.718 | +62 30 20.84 | – | V | C57 |
| 2023-12-28 12:21:46 | s | 1 +157470.74 | 6 +287279.94 | 500.0 | – | C57 |
| 2023-12-28 12:41:46 | S | 06 14 17.957 | +62 30 26.53 | – | V | C57 |
| 2023-12-28 12:41:46 | s | 1 +156818.21 | 5 +287561.14 | 4250.0 | – | C57 |
| 2023-12-28 13:01:46 | S | 06 14 13.848 | +62 30 30.49 | – | V | C57 |
| 2023-12-28 13:01:46 | s | 1 +156164.38 | 1 +287839.94 | 8570.0 | – | C57 |
| 2023-12-28 13:21:46 | S | 06 14 10.294 | +62 30 33.70 | – | V | C57 |
| 2023-12-28 13:21:46 | s | 1 +155506.88 | 9 +288112.11 | 6140.0 | – | C57 |
| 2023-12-28 15:21:46 | S | 06 13 46.202 | +62 31 01.81 | – | V | C57 |
| 2023-12-28 15:21:46 | s | 1 +151509.70 | 7 +289648.56 | 9870.0 | – | C57 |
| 2023-12-28 15:41:46 | S | 06 13 42.934 | +62 31 05.27 | – | V | C57 |
| 2023-12-28 15:41:46 | s | 1 +150834.89 | 6 +289888.49 | 1680.0 | – | C57 |
| 2023-12-28 16:01:46 | S | 06 13 38.851 | +62 31 13.44 | – | V | C57 |
| 2023-12-28 16:01:46 | s | 1 +150157.62 | 5 +290123.74 | 5980.0 | – | C57 |
| 2023-12-28 16:21:46 | S | 06 13 35.369 | +62 31 14.48 | – | V | C57 |
| 2023-12-28 16:21:46 | s | 1 +149477.93 | 9 +290354.38 | 2970.0 | – | 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 |