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 |
|---|---|---|---|---|---|---|
| 2023-12-31 13:28:26 | s | 1 -29984.212 | 0 +213283.74 | 0.273 | – | C57 |
| 2023-12-31 13:48:26 | S | 05 59 43.150 | +62 37 00.52 | – | V | C57 |
| 2023-12-31 13:48:26 | s | 1 -30921.275 | 0 +212159.24 | 0.751 | – | C57 |
| 2023-12-31 14:08:26 | S | 05 59 39.250 | +62 37 04.12 | – | V | C57 |
| 2023-12-31 14:08:26 | s | 1 -31857.048 | 0 +211025.66 | 0.752 | – | C57 |
| 2023-12-31 14:28:26 | S | 05 59 34.966 | +62 36 59.18 | – | V | C57 |
| 2023-12-31 14:28:26 | s | 1 -32791.511 | 0 +209883.16 | 0.319 | – | C57 |
| 2023-12-31 15:08:26 | S | 05 59 27.046 | +62 36 56.81 | – | V | C57 |
| 2023-12-31 15:08:26 | s | 1 -34656.243 | 0 +207570.98 | 0.737 | – | C57 |
| 2023-12-31 15:28:26 | S | 05 59 22.934 | +62 36 56.09 | – | V | C57 |
| 2023-12-31 15:28:26 | s | 1 -35586.420 | 0 +206401.32 | 0.505 | – | C57 |
| 2023-12-31 18:08:26 | S | 05 58 50.501 | +62 36 44.75 | – | V | C57 |
| 2023-12-31 18:08:26 | s | 1 -42967.816 | 0 +196713.85 | 0.192 | – | C57 |
| 2023-12-31 18:48:26 | S | 05 58 42.494 | +62 36 41.04 | – | V | C57 |
| 2023-12-31 18:48:26 | s | 1 -44794.396 | 0 +194199.51 | 0.814 | – | C57 |
| 2023-12-31 19:08:26 | S | 05 58 38.719 | +62 36 36.22 | – | V | C57 |
| 2023-12-31 19:08:26 | s | 1 -45704.511 | 0 +192928.22 | 0.028 | – | C57 |
| 2023-12-31 19:28:26 | S | 05 58 34.692 | +62 36 27.04 | – | V | C57 |
| 2023-12-31 19:28:26 | s | 1 -46612.462 | 0 +191647.65 | 0.847 | – | C57 |
| 2023-12-31 19:48:26 | S | 05 58 29.928 | +62 36 36.14 | – | V | C57 |
| 2023-12-31 19:48:26 | s | 1 -47518.169 | 0 +190357.71 | 0.159 | – | C57 |
| 2023-12-31 20:08:26 | S | 05 58 28.116 | +62 36 27.11 | – | V | C57 |
| 2023-12-31 20:08:26 | s | 1 -48421.531 | 0 +189058.23 | 0.808 | – | C57 |
| 2023-12-31 20:28:26 | S | 05 58 22.795 | +62 36 27.83 | – | V | C57 |
| 2023-12-31 20:28:26 | s | 1 -49322.534 | 0 +187749.41 | 0.85 | – | C57 |
| 2023-12-31 21:08:26 | S | 05 58 14.177 | +62 36 34.99 | – | V | C57 |
| 2023-12-31 21:08:26 | s | 1 -51117.103 | 0 +185103.31 | 0.598 | – | C57 |
| 2023-12-31 21:28:26 | S | 05 58 10.795 | +62 36 24.62 | – | V | C57 |
| 2023-12-31 21:28:26 | s | 1 -52010.550 | 0 +183766.05 | 0.201 | – | C57 |
| 2023-12-31 21:48:26 | S | 05 58 06.744 | +62 36 22.57 | – | V | C57 |
| 2023-12-31 21:48:26 | s | 1 -52901.344 | 0 +182419.30 | 0.855 | – | C57 |
| 2023-12-31 22:08:26 | S | 05 58 02.234 | +62 36 17.86 | – | V | C57 |
| 2023-12-31 22:08:26 | s | 1 -53789.373 | 0 +181062.89 | 0.392 | – | C57 |
| 2023-12-31 23:08:26 | S | 05 57 50.522 | +62 36 18.00 | – | V | C57 |
| 2023-12-31 23:08:26 | s | 1 -56436.397 | 0 +176936.46 | 0.117 | – | C57 |
| 2023-12-31 23:28:26 | S | 05 57 46.586 | +62 36 10.30 | – | V | C57 |
| 2023-12-31 23:28:26 | s | 1 -57312.788 | 0 +175541.81 | 0.77 | – | C57 |
| 2023-12-31 23:48:26 | S | 05 57 43.289 | +62 36 17.06 | – | V | C57 |
| 2023-12-31 23:48:26 | s | 1 -58186.079 | 0 +174137.56 | 0.999 | – | C57 |
| 2024-01-01 00:08:26 | S | 05 57 38.988 | +62 36 11.88 | – | V | C57 |
| 2024-01-01 00:08:26 | s | 1 -59056.143 | 0 +172723.55 | 0.627 | – | C57 |
| 2024-01-01 00:28:26 | S | 05 57 34.147 | +62 36 11.88 | – | V | C57 |
| 2024-01-01 00:28:26 | s | 1 -59922.973 | 0 +171299.98 | 0.718 | – | C57 |
| 2024-01-01 01:08:26 | S | 05 57 26.429 | +62 36 03.56 | – | V | C57 |
| 2024-01-01 01:08:26 | s | 1 -61646.481 | 0 +168423.74 | 0.698 | – | C57 |
| 2024-01-01 01:28:26 | S | 05 57 22.512 | +62 36 01.87 | – | V | C57 |
| 2024-01-01 01:28:26 | s | 1 -62503.019 | 0 +166971.13 | 0.471 | – | C57 |
| 2024-01-01 01:48:26 | S | 05 57 18.307 | +62 35 58.34 | – | V | C57 |
| 2024-01-01 01:48:26 | s | 1 -63355.967 | 0 +165508.82 | 0.314 | – | C57 |
| 2024-01-01 02:08:26 | S | 05 57 14.875 | +62 35 58.02 | – | V | 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 |