2021 PH27

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7115454392 ± 2.08e-07
Semi-major axis (a)0.4617618725 AU ± 7.57e-09
Inclination (i)31.93911542° ± 3.73e-05
Long. of Asc. Node (Ω)39.39515294° ± 1.96e-05
Arg. of Perihelion (ω)8.58134563° ± 1.54e-05
Mean Anomaly (M)48.47125728° ± 9.00e-05
Mean Motion (n)3.1411246460°/day ± 7.72e-08
Perihelion dist (q)0.13319732 AU ± 9.61e-08
Aphelion dist (Q)0.79032643 AU ± 9.69e-08
Orbital Period0.31378133 yr ± 7.71e-09
Physical Parameters
H (abs. magnitude)17.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.124″
Uncertainty0
Orbit TypeAtira
MOID0.225972 AU
Observations Used95
Oppositions15
Arc Total2017-2024
First Observation Used2017-07-16
Last Observation Used2024-03-02
Observations (105)
Date Type RA Dec Mag Band Observatory
2022-02-25 12:53:32 C 19 57 40.68 -12 05 48.6 V G37
2022-02-25 13:00:19 C 19 57 40.76 -12 05 55.0 V G37
2022-03-09 12:24:01 C 20 12 27.85 -16 12 08.0 V G37
2022-03-09 12:30:56 C 20 12 28.46 -16 12 13.9 V G37
2022-03-09 12:38:45 C 20 12 29.13 -16 12 20.4 V G37
2022-03-09 12:46:14 C 20 12 29.78 -16 12 26.7 V G37
2022-03-21 18:31:43 C 20 48 55.23 -19 56 08.9 V E10
2022-03-21 18:43:43 C 20 48 57.14 -19 56 17.2 V E10
2022-03-21 19:00:02 C 20 48 59.74 -19 56 28.3 V E10
2023-03-05 08:49:12 C 19 53 25.35 -24 05 22.0 X W84
2023-03-05 09:00:25 C 19 53 27.23 -24 05 27.2 X W84
2023-03-05 09:17:15 C 19 53 30.14 -24 05 35.3 X W84
2023-03-06 08:46:03 C 19 57 35.02 -24 15 59.0 X W84
2023-03-06 08:47:11 C 19 57 35.22 -24 15 59.5 X W84
2023-03-06 08:48:17 C 19 57 35.41 -24 16 00.2 X W84
2023-03-06 08:49:24 C 19 57 35.66 -24 16 00.7 X W84
2023-03-06 09:06:08 C 19 57 38.54 -24 16 08.0 X W84
2023-03-06 09:07:17 C 19 57 38.74 -24 16 08.5 X W84
2023-03-06 09:08:23 C 19 57 38.94 -24 16 09.0 X W84
2023-03-06 09:09:30 C 19 57 39.14 -24 16 09.6 X W84
2023-03-06 09:20:38 C 19 57 41.08 -24 16 14.5 X W84
2023-03-06 09:23:59 C 19 57 41.65 -24 16 16.0 X W84
2023-03-06 09:26:13 C 19 57 42.06 -24 16 17.0 X W84
2023-03-06 09:27:19 C 19 57 42.25 -24 16 17.5 X W84
2023-03-06 09:33:59 C 19 57 43.42 -24 16 20.5 X W84
2023-03-06 09:44:04 C 19 57 45.18 -24 16 25.0 X W84
2023-03-06 09:45:11 C 19 57 45.38 -24 16 25.4 X W84
2023-03-08 08:45:59 C 20 06 15.08 -24 35 34.7 X W84
2023-03-08 09:00:28 C 20 06 17.74 -24 35 40.5 X W84
2023-03-08 09:14:59 C 20 06 20.42 -24 35 46.2 X W84
2023-03-08 09:33:44 C 20 06 23.87 -24 35 53.7 X W84
2023-03-11 08:46:12 C 20 20 06.03 -25 00 07.0 X W84
2023-03-11 09:02:58 C 20 20 09.36 -25 00 12.2 X W84
2023-03-11 09:18:39 C 20 20 12.47 -25 00 17.1 X W84
2023-03-11 09:36:32 C 20 20 16.03 -25 00 22.5 X W84
2023-06-19 06:10:04 C 09 14 46.359 +15 47 49.27 V T12
2024-02-18 09:23:53 C 19 15 44.816 -26 31 03.62 V W84
2024-02-18 09:27:19 C 19 15 45.410 -26 31 04.53 V W84
2024-03-02 09:15:30 C 20 21 47.24 -27 24 27.8 X W84
2024-03-02 09:16:38 C 20 21 47.52 -27 24 27.6 X W84
2024-03-02 09:17:50 C 20 21 47.79 -27 24 27.6 X W84
2024-03-02 09:18:59 C 20 21 48.06 -27 24 27.4 X W84
2024-03-02 09:24:25 C 20 21 49.37 -27 24 27.2 X W84
2024-03-02 09:25:31 C 20 21 49.65 -27 24 26.9 X W84
2024-03-02 09:26:35 C 20 21 49.90 -27 24 26.9 X W84
2024-03-02 09:27:40 C 20 21 50.15 -27 24 26.9 X W84
2024-03-02 09:33:09 C 20 21 51.49 -27 24 26.3 X W84
2024-03-02 09:34:18 C 20 21 51.76 -27 24 26.3 X W84
2024-03-02 09:35:28 C 20 21 52.04 -27 24 26.2 X W84
2024-03-02 09:36:37 C 20 21 52.31 -27 24 25.9 X W84