613291 (2005 YX128)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7328435445 ± 3.20e-09
Semi-major axis (a)2.1776620268 AU ± 8.83e-10
Inclination (i)4.63031527° ± 1.66e-06
Long. of Asc. Node (Ω)257.79498740° ± 2.23e-05
Arg. of Perihelion (ω)318.47070053° ± 2.22e-05
Mean Anomaly (M)49.63342207° ± 3.00e-07
Mean Motion (n)0.3067090275°/day ± 1.87e-10
Perihelion dist (q)0.58177647 AU ± 6.97e-09
Aphelion dist (Q)3.77354759 AU ± 7.13e-09
Orbital Period3.21355485 yr ± 1.95e-09
Physical Parameters
H (abs. magnitude)18.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.233″
Uncertainty0
Orbit TypeApollo
MOID0.061143 AU
Observations Used574
Radar Obs Used1
Oppositions14
Arc Total2005-2025
First Observation Used2005-12-30
Last Observation Used2025-10-15
Observations (635)
Date Type RA Dec Mag Band Observatory
2025-08-07 19:25:36 B 20 20 39.62 +14 50 49.6 X G02
2025-08-07 19:31:59 B 20 20 39.80 +14 50 12.1 X G02
2025-08-07 20:09:54 C 20 20 40.71 +14 46 31.7 Z L04
2025-08-07 20:11:22 C 20 20 40.762 +14 46 23.63 V L54
2025-08-07 20:16:02 C 20 20 40.88 +14 45 55.8 Z L04
2025-08-07 20:22:01 C 20 20 41.06 +14 45 20.8 Z L04
2025-08-07 21:15:25 B 20 20 43.128 +14 40 10.49 V 160
2025-08-07 21:18:05 B 20 20 43.198 +14 39 54.97 V 160
2025-08-07 21:20:50 B 20 20 43.258 +14 39 38.81 V 160
2025-08-07 21:46:31 C 20 20 43.267 +14 37 08.15 V L54
2025-08-07 23:22:13 C 20 20 45.720 +14 27 50.72 V L54
2025-08-08 04:12:38 C 20 20 57.634 +14 01 38.24 V W68
2025-08-08 04:17:30 C 20 20 57.737 +14 01 10.88 V W68
2025-08-08 05:00:55 C 20 20 58.666 +13 57 08.50 V W68
2025-08-08 05:10:50 C 20 20 58.891 +13 56 13.09 V W68
2025-08-08 19:27:52 B 20 21 31.579 +12 39 03.85 V S47
2025-08-08 19:33:41 B 20 21 31.709 +12 38 34.51 V S47
2025-08-08 19:38:59 B 20 21 31.826 +12 38 07.62 V S47
2025-08-08 19:44:43 B 20 21 31.956 +12 37 38.71 V S47
2025-08-08 19:50:01 B 20 21 32.071 +12 37 11.78 V S47
2025-08-09 19:22:48 B 20 22 17.042 +10 45 46.62 V S47
2025-08-09 19:29:43 B 20 22 17.179 +10 45 16.20 V S47
2025-08-09 19:36:41 B 20 22 17.323 +10 44 45.60 V S47
2025-08-09 19:43:11 B 20 22 17.441 +10 44 17.30 V S47
2025-08-09 19:49:40 B 20 22 17.575 +10 43 48.76 V S47
2025-08-09 20:18:54 C 20 22 18.821 +10 41 34.84 Z C23
2025-08-09 20:24:06 C 20 22 18.938 +10 41 11.04 Z C23
2025-08-09 21:04:33 C 20 22 19.12 +10 38 18.9 Z L04
2025-08-09 21:05:41 C 20 22 19.14 +10 38 14.0 Z L04
2025-08-09 21:10:31 C 20 22 19.23 +10 37 52.7 Z L04
2025-08-09 21:15:12 C 20 22 19.31 +10 37 32.1 Z L04
2025-08-09 21:16:20 C 20 22 19.31 +10 37 27.2 Z L04
2025-08-09 21:22:16 C 20 22 20.060 +10 36 57.80 V G33
2025-08-09 21:25:46 C 20 22 20.116 +10 36 42.28 V G33
2025-08-09 21:29:08 C 20 22 20.183 +10 36 27.67 V G33
2025-08-09 22:26:23 C 20 22 21.413 +10 32 19.50 Z C23
2025-08-09 22:28:24 C 20 22 21.463 +10 32 10.54 Z C23
2025-08-09 22:30:43 C 20 22 21.506 +10 32 00.56 Z C23
2025-08-09 22:46:13 C 20 22 21.394 +10 31 03.94 X L34
2025-08-09 23:03:44 C 20 22 22.174 +10 29 37.68 Z C23
2025-08-09 23:05:28 C 20 22 22.190 +10 29 30.12 Z C23
2025-08-10 00:39:25 C 20 22 23.419 +10 22 54.62 X L34
2025-08-10 19:39:28 B 20 22 57.46 +09 05 36.8 X L76
2025-08-10 19:49:46 B 20 22 57.64 +09 04 57.3 X L76
2025-08-10 20:00:05 B 20 22 57.80 +09 04 17.8 X L76
2025-08-10 20:27:31 C 20 22 59.525 +09 02 29.11 Z C23
2025-08-10 20:30:26 C 20 22 59.549 +09 02 17.45 Z C23
2025-08-10 20:32:55 C 20 22 59.585 +09 02 08.48 Z C23
2025-08-10 21:14:16 C 20 22 59.07 +08 59 33.8 X D04
2025-08-10 21:17:00 C 20 22 59.03 +08 59 23.1 X D04
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2025-07-26 14:10:00 520662.2 0.4 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)