152770 (1999 RR28)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6543120088 ± 9.28e-09
Semi-major axis (a)1.8784194769 AU ± 3.83e-10
Inclination (i)7.14320299° ± 4.53e-06
Long. of Asc. Node (Ω)178.13518430° ± 8.20e-06
Arg. of Perihelion (ω)284.60698754° ± 7.23e-06
Mean Anomaly (M)25.02608632° ± 1.23e-06
Mean Motion (n)0.3828453725°/day ± 1.17e-10
Perihelion dist (q)0.64934706 AU ± 1.74e-08
Aphelion dist (Q)3.10749190 AU ± 1.74e-08
Orbital Period2.57447616 yr ± 7.87e-10
Physical Parameters
H (abs. magnitude)18.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.465″
Uncertainty0
Orbit TypeApollo
MOID0.016634 AU
Observations Used687
Radar Obs Used7
Oppositions11
Arc Total1987-2023
First Observation Used1987-04-20
Last Observation Used2023-06-08
Observations (722)
Date Type RA Dec Mag Band Observatory
2023-04-23 05:23:34 C 10 24 39.895 +21 10 23.02 V 703
2023-04-23 05:31:45 C 10 24 42.419 +21 10 09.05 V 703
2023-04-23 05:39:57 C 10 24 44.989 +21 09 56.38 V 703
2023-04-23 07:28:25 C 10 25 19.754 +21 07 09.62 V T05
2023-04-23 07:34:19 C 10 25 21.602 +21 07 00.52 V T05
2023-04-23 07:44:17 C 10 25 24.607 +21 06 44.35 V T05
2023-04-23 07:59:10 C 10 25 29.189 +21 06 20.95 V T05
2023-04-24 04:42:18 C 10 31 49.339 +20 33 33.18 V U68
2023-04-24 04:47:06 C 10 31 50.735 +20 33 25.76 V U68
2023-04-24 05:17:16 C 10 31 59.437 +20 32 38.78 V U68
2023-04-24 05:22:04 C 10 32 00.845 +20 32 31.03 V U68
2023-04-25 07:36:56 C 10 39 29.474 +19 52 26.51 V T05
2023-04-25 07:41:03 C 10 39 30.564 +19 52 20.21 V T05
2023-04-25 07:49:31 C 10 39 32.837 +19 52 07.50 V T05
2023-04-25 08:04:18 C 10 39 36.778 +19 51 44.93 V T05
2023-04-25 19:24:48 C 10 42 40.97 +19 34 36.4 V 130
2023-04-25 19:28:37 C 10 42 41.97 +19 34 31.1 V 130
2023-04-25 19:32:27 C 10 42 42.94 +19 34 25.4 V 130
2023-04-25 19:36:17 C 10 42 43.94 +19 34 19.5 V 130
2023-04-26 05:39:46 C 10 45 21.038 +19 19 35.58 V 703
2023-04-26 05:41:18 C 10 45 21.420 +19 19 33.74 V 703
2023-04-26 05:42:49 C 10 45 21.787 +19 19 31.58 V 703
2023-04-26 05:44:20 C 10 45 22.172 +19 19 28.70 V 703
2023-04-26 21:42:43 C 10 49 24.09 +18 56 14.3 M32
2023-04-26 21:43:12 C 10 49 24.20 +18 56 13.9 M32
2023-04-26 21:59:03 C 10 49 28.01 +18 55 50.5 M32
2023-04-26 21:59:32 C 10 49 28.11 +18 55 50.5 M32
2023-04-26 22:00:01 C 10 49 28.26 +18 55 48.7 M32
2023-04-26 22:00:29 C 10 49 28.40 +18 55 48.9 M32
2023-04-26 22:14:54 C 10 49 31.89 +18 55 28.1 M32
2023-04-26 22:15:22 C 10 49 31.99 +18 55 26.7 M32
2023-04-26 22:15:51 C 10 49 32.10 +18 55 26.4 M32
2023-04-27 03:42:40 C 10 50 53.138 +18 47 49.20 V G96
2023-04-27 03:59:11 C 10 50 57.044 +18 47 25.91 V G96
2023-04-27 04:07:20 C 10 50 58.978 +18 47 14.21 V G96
2023-04-27 04:15:31 C 10 51 00.896 +18 47 02.72 V G96
2023-04-27 05:38:13 C 10 51 20.387 +18 45 05.15 V 703
2023-04-27 05:39:44 C 10 51 20.804 +18 45 03.92 V 703
2023-04-27 05:41:16 C 10 51 21.136 +18 45 00.72 V 703
2023-04-27 05:42:47 C 10 51 21.488 +18 44 57.88 V 703
2023-04-28 02:12:16 C 10 56 11.174 +18 16 47.82 V W68
2023-04-28 02:25:24 C 10 56 14.126 +18 16 29.35 V W68
2023-04-28 02:39:47 C 10 56 17.314 +18 16 09.48 V W68
2023-04-28 04:34:00 C 10 56 43.732 +18 13 07.50 V 703
2023-04-28 04:35:30 C 10 56 44.070 +18 13 06.17 V 703
2023-04-28 04:37:01 C 10 56 44.380 +18 13 04.04 V 703
2023-04-28 04:38:31 C 10 56 44.740 +18 13 01.63 V 703
2023-04-28 21:47:19 B 11 00 33.37 +17 49 42.0 Z M45
2023-04-28 21:50:55 B 11 00 34.15 +17 49 37.8 Z M45
2023-04-28 21:54:17 B 11 00 34.85 +17 49 33.4 Z M45
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-03-25 19:10:00 200773.9519 0.5 Hz 2380 -1 -1
2005-03-25 21:05:00 71800794.96 0.5 us 2380 -1 -1
2005-03-26 20:09:00 65526582.83 0.5 us 2380 -1 -1
2005-03-27 20:22:00 60493814.96 0.5 us 2380 -1 -1
2005-03-30 00:20:00 56796660.51 0.5 us 8560 -14 -14
2005-04-01 07:00:00 64281421.8 1 us 8560 -14 -14
2005-04-03 08:00:00 78333960 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)