2025 ST20

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5440562088 ± 7.81e-06
Semi-major axis (a)2.2102339177 AU ± 3.82e-05
Inclination (i)7.89834672° ± 8.82e-05
Long. of Asc. Node (Ω)38.75962968° ± 1.23e-04
Arg. of Perihelion (ω)325.12968967° ± 1.08e-04
Mean Anomaly (M)18.08955822° ± 4.58e-04
Mean Motion (n)0.2999541793°/day ± 7.77e-06
Perihelion dist (q)1.00774243 AU ± 2.45e-05
Aphelion dist (Q)3.41272540 AU ± 6.14e-05
Orbital Period3.28592282 yr ± 8.52e-05
Physical Parameters
H (abs. magnitude)21.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.200″
Uncertainty0
Orbit TypeApollo
MOID0.047664 AU
Observations Used47
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-27
Last Observation Used2025-12-12
Observations (47)
Date Type RA Dec Mag Band Observatory
2025-09-27 07:18:59 C 06 16 42.61 -05 18 32.0 – V W94
2025-09-27 07:28:06 C 06 16 43.30 -05 17 53.6 – V W94
2025-09-27 07:37:12 C 06 16 43.96 -05 17 15.2 – V W94
2025-09-27 08:49:17 C 06 16 49.33 -05 12 09.7 – V X10
2025-09-27 08:58:42 C 06 16 50.03 -05 11 29.3 – V X10
2025-09-27 09:08:06 C 06 16 50.68 -05 10 48.9 – V X10
2025-09-28 08:30:24 C 06 18 52.28 -03 33 05.2 – q X10
2025-09-28 08:39:49 C 06 18 52.94 -03 32 26.7 – q X10
2025-09-28 08:49:12 C 06 18 53.60 -03 31 47.4 – q X10
2025-09-29 08:38:57 C 06 20 52.46 -01 56 25.6 – V H21
2025-09-29 08:40:58 C 06 20 52.59 -01 56 17.3 – V H21
2025-09-29 08:42:59 C 06 20 52.73 -01 56 09.0 – V H21
2025-09-29 14:45:51 C 06 21 21.104 -01 31 54.68 – X F51
2025-09-29 14:54:36 C 06 21 21.665 -01 31 20.10 – X F51
2025-09-29 15:12:11 C 06 21 22.787 -01 30 11.00 – X F51
2025-10-02 08:40:52 C 06 26 19.090 +02 37 10.20 – V 807
2025-10-02 08:44:38 C 06 26 19.280 +02 37 23.40 – V 807
2025-10-02 08:48:23 C 06 26 19.470 +02 37 37.20 – V 807
2025-10-05 11:42:59 C 06 31 16.057 +06 51 17.39 – V I52
2025-10-05 11:44:26 C 06 31 16.144 +06 51 21.82 – V I52
2025-10-05 11:47:07 C 06 31 16.288 +06 51 30.42 – V I52
2025-10-05 11:49:36 C 06 31 16.360 +06 51 38.41 – V I52
2025-10-21 15:24:01 C 06 45 53.643 +22 54 25.98 – V T12
2025-10-21 15:25:53 C 06 45 53.643 +22 54 29.49 – V T12
2025-10-21 15:27:28 C 06 45 53.642 +22 54 32.54 – V T12
2025-10-22 09:43:37 B 06 46 07.478 +23 28 54.16 – X 734
2025-10-22 10:14:45 B 06 46 07.495 +23 29 52.76 – X 734
2025-10-22 10:45:52 B 06 46 07.481 +23 30 51.23 – X 734
2025-10-26 10:04:21 C 06 46 29.000 +26 19 56.80 – V G96
2025-10-26 10:11:49 C 06 46 28.880 +26 20 09.20 – V G96
2025-10-26 10:19:15 C 06 46 28.780 +26 20 22.50 – V G96
2025-10-26 10:26:42 C 06 46 28.680 +26 20 35.50 – V G96
2025-11-02 08:49:03 C 06 43 59.650 +30 35 46.10 – V G96
2025-11-02 08:57:54 C 06 43 59.320 +30 35 58.90 – V G96
2025-11-02 09:15:39 C 06 43 58.720 +30 36 24.20 – V G96
2025-11-12 08:04:08 C 06 33 30.44 +35 26 04.1 – V H21
2025-11-12 08:08:10 C 06 33 30.14 +35 26 08.0 – V H21
2025-11-19 03:00:50 C 06 22 04.717 +37 53 48.50 – X 033
2025-11-19 03:02:38 C 06 22 04.544 +37 53 49.90 – X 033
2025-11-19 03:04:25 C 06 22 04.408 +37 53 51.10 – X 033
2025-11-29 10:07:17 C 06 00 39.107 +40 17 43.88 – X F52
2025-11-29 10:23:02 C 06 00 37.545 +40 17 50.36 – X F52
2025-11-29 10:38:47 C 06 00 35.983 +40 17 56.79 – X F52
2025-11-29 10:54:31 C 06 00 34.410 +40 18 03.07 – X F52
2025-12-12 22:51:22 C 05 32 51.356 +41 09 48.50 – X 033
2025-12-12 22:57:39 C 05 32 50.849 +41 09 48.70 – X 033
2025-12-12 23:00:46 C 05 32 50.579 +41 09 48.50 – X 033