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
2025-08-19 20:14:59 B 20 27 28.37 +00 18 42.0 X L76
2025-08-19 20:25:14 B 20 27 28.48 +00 18 26.5 X L76
2025-08-19 20:35:30 B 20 27 28.64 +00 18 10.6 X L76
2025-08-19 23:19:57 B 20 27 32.081 +00 14 08.66 X J51
2025-08-19 23:25:02 B 20 27 32.134 +00 13 59.30 X J51
2025-08-19 23:31:06 B 20 27 32.177 +00 13 50.45 X J51
2025-08-20 01:22:00 C 20 27 35.014 +00 11 31.45 V W68
2025-08-20 01:33:55 C 20 27 35.162 +00 11 13.56 V W68
2025-08-20 01:45:51 C 20 27 35.302 +00 10 55.52 V W68
2025-08-21 23:39:22 C 20 28 26.254 -00 53 49.81 V R17
2025-08-22 00:01:56 C 20 28 26.510 -00 54 19.30 V R17
2025-08-22 00:29:53 C 20 28 26.858 -00 54 55.40 V R17
2025-08-22 00:52:34 C 20 28 27.139 -00 55 24.67 V R17
2025-08-25 08:00:37 C 20 30 00.250 -02 26 33.34 X F52
2025-08-25 08:17:10 C 20 30 00.475 -02 26 50.31 X F52
2025-08-25 08:33:43 C 20 30 00.698 -02 27 07.23 X F52
2025-08-25 08:50:16 C 20 30 00.921 -02 27 24.17 X F52
2025-08-29 20:35:26 C 20 32 17.357 -04 02 40.92 V M22
2025-08-29 20:44:33 C 20 32 17.479 -04 02 46.90 V M22
2025-08-29 20:49:08 C 20 32 17.573 -04 02 50.60 V M22
2025-08-29 21:08:00 C 20 32 17.952 -04 03 05.40 V M22
2025-09-15 06:53:04 C 20 42 49.814 -07 20 08.62 X F51
2025-09-15 07:09:57 C 20 42 50.279 -07 20 13.82 X F51
2025-09-15 07:26:50 C 20 42 50.749 -07 20 19.09 X F51
2025-09-17 06:24:23 C 20 44 20.373 -07 34 03.99 X F52
2025-09-17 06:39:09 C 20 44 20.802 -07 34 08.09 X F52
2025-09-17 06:53:54 C 20 44 21.231 -07 34 12.16 X F52
2025-09-17 07:08:38 C 20 44 21.658 -07 34 16.25 X F52
2025-09-22 06:58:01 C 20 48 23.346 -08 03 03.86 X F51
2025-09-22 07:13:16 C 20 48 23.841 -08 03 06.87 X F51
2025-09-22 07:28:33 C 20 48 24.331 -08 03 10.18 X F51
2025-10-14 00:39:09 C 21 09 10.24 -08 52 12.2 V H21
2025-10-14 00:44:01 C 21 09 10.45 -08 52 12.3 V H21
2025-10-15 00:20:12 C 21 10 13.03 -08 52 13.3 V H21
2025-10-15 00:22:17 C 21 10 13.09 -08 52 12.9 V H21
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)