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
2023-04-29 20:15:36 B 11 05 19.51 +17 20 07.8 Z M45
2023-04-29 20:19:55 B 11 05 20.32 +17 20 03.3 Z M45
2023-04-29 20:24:00 B 11 05 21.19 +17 19 58.3 Z M45
2023-05-08 04:57:09 C 11 38 43.735 +13 33 20.30 V 703
2023-05-08 05:22:00 C 11 38 47.000 +13 32 54.53 V 703
2023-05-08 12:24:45 C 11 39 44.33 +13 25 59.5 V D29
2023-05-08 12:45:06 C 11 39 46.95 +13 25 39.5 V D29
2023-05-08 13:05:28 C 11 39 49.57 +13 25 19.8 V D29
2023-05-11 05:58:40 C 11 48 01.379 +12 24 13.36 V 703
2023-05-11 06:00:26 C 11 48 01.764 +12 24 13.46 V 703
2023-05-11 06:02:11 C 11 48 01.991 +12 24 11.30 V 703
2023-05-11 06:03:57 C 11 48 02.264 +12 24 10.15 V 703
2023-05-15 14:01:33 C 11 59 36.77 +10 54 53.5 V D29
2023-05-15 14:21:55 C 11 59 38.88 +10 54 37.1 V D29
2023-05-21 05:15:51 C 12 12 34.988 +09 11 02.47 V G96
2023-05-21 05:24:05 C 12 12 35.705 +09 10 56.60 V G96
2023-05-21 05:32:17 C 12 12 36.407 +09 10 50.59 V G96
2023-05-21 05:40:29 C 12 12 37.109 +09 10 44.62 V G96
2023-06-08 05:36:01 C 12 45 35.572 +04 36 31.39 V G96
2023-06-08 05:43:28 C 12 45 36.148 +04 36 27.18 V G96
2023-06-08 05:50:53 C 12 45 36.637 +04 36 23.11 V G96
2023-06-08 05:58:19 C 12 45 37.145 +04 36 18.61 V G96
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)