IAA Minor Planet Database| Epoch (TDB) | 2025-11-21 (JD 2461000.5) |
|---|---|
| Eccentricity (e) | 0.1907196682 ± 3.69e-08 |
| Semi-major axis (a) | 1.1671866391 AU ± 2.43e-09 |
| Inclination (i) | 21.09490639° ± 7.01e-06 |
| Long. of Asc. Node (Ω) | 196.73167688° ± 8.08e-06 |
| Arg. of Perihelion (ω) | 154.59742593° ± 1.60e-05 |
| Mean Anomaly (M) | 30.73866363° ± 1.77e-05 |
| Mean Motion (n) | 0.7816310710°/day ± 2.44e-09 |
| Perihelion dist (q) | 0.94458119 AU ± 4.31e-08 |
| Aphelion dist (Q) | 1.38979209 AU ± 4.32e-08 |
| Orbital Period | 1.26098657 yr ± 3.94e-09 |
| H (abs. magnitude) | 20.71 |
|---|---|
| G (slope) | 0.15 |
2011 KP21
| Source | IAA |
|---|---|
| Solution Date | 2026-06-02 |
| RMS Residual | 0.351″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.039675 AU |
| Observations Used | 255 |
| Oppositions | 3 |
| Arc Total | 2011-2025 |
| First Observation Used | 2011-05-30 |
| Last Observation Used | 2025-05-27 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 2025-04-26 22:16:14 | B | 11 57 15.668 | +11 35 57.09 | – | Z | Y89 |
| 2025-05-16 04:52:24 | C | 11 57 29.858 | +21 05 17.59 | – | V | G96 |
| 2025-05-16 04:59:54 | C | 11 57 30.002 | +21 05 23.50 | – | V | G96 |
| 2025-05-16 05:07:22 | C | 11 57 30.114 | +21 05 30.48 | – | V | G96 |
| 2025-05-16 05:14:50 | C | 11 57 30.272 | +21 05 34.62 | – | V | G96 |
| 2025-05-27 04:50:56 | C | 12 06 01.278 | +23 43 05.81 | – | V | V00 |
| 2025-05-27 04:59:03 | C | 12 06 01.580 | +23 43 09.19 | – | V | V00 |
| 2025-05-27 05:07:08 | C | 12 06 01.897 | +23 43 12.29 | – | V | V00 |
| 2025-05-27 05:15:11 | C | 12 06 02.192 | +23 43 15.74 | – | V | V00 |