2015 XF261

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3190285500 ± 1.26e-06
Semi-major axis (a)0.9898366432 AU ± 5.48e-08
Inclination (i)0.79378472° ± 4.05e-06
Long. of Asc. Node (Ω)209.81829493° ± 2.75e-04
Arg. of Perihelion (ω)100.88182415° ± 2.77e-04
Mean Anomaly (M)126.23056494° ± 1.93e-04
Mean Motion (n)1.0008453725°/day ± 8.31e-08
Perihelion dist (q)0.67405049 AU ± 1.25e-06
Aphelion dist (Q)1.30562279 AU ± 1.25e-06
Orbital Period0.98479377 yr ± 8.18e-08
NGA Modelr2
A2-4.06047787e-13 ± 5.22e-14 AU/d²
Physical Parameters
H (abs. magnitude)25.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.209″
Uncertainty0
Orbit TypeAten
MOID0.002362 AU
Observations Used70
Oppositions1
Arc Total2015-2024
First Observation Used2015-12-08
Last Observation Used2024-02-15
Observations (74)
Date Type RA Dec Mag Band Observatory
2016-11-22 14:29:16 C 08 50 06.775 +13 38 50.48 U T12
2016-11-23 14:40:07 C 08 43 01.918 +14 01 08.16 U T12
2016-11-23 14:47:45 C 08 42 59.502 +14 01 15.10 U T12
2016-11-25 10:14:43 C 08 30 05.08 +14 39 46.5 o 290
2016-11-25 10:59:36 C 08 29 50.83 +14 40 26.5 o 290
2016-11-25 11:46:20 C 08 29 35.94 +14 41 07.4 o 290
2016-11-30 08:41:08 C 07 53 49.29 +16 14 51.9 o 291
2016-11-30 08:51:24 C 07 53 45.99 +16 14 59.7 o 291
2016-11-30 09:01:41 C 07 53 42.54 +16 15 08.3 o 291
2016-12-02 07:42:27 C 07 39 15.76 +16 47 09.5 t 705
2016-12-02 07:43:56 C 07 39 15.30 +16 47 10.4 t 705
2016-12-02 07:45:23 C 07 39 14.81 +16 47 11.4 t 705
2016-12-22 09:53:05 C 05 36 42.534 +19 06 04.99 U T12
2016-12-22 09:58:54 C 05 36 41.454 +19 06 05.26 U T12
2016-12-23 09:39:42 C 05 32 42.132 +19 07 02.76 U T12
2016-12-23 09:45:19 C 05 32 41.133 +19 07 03.04 U T12
2020-01-14 05:03:43 C 07 29 34.46 +18 23 31.7 o 695
2020-01-14 05:29:36 C 07 29 30.20 +18 23 42.2 o 695
2024-02-09 01:51:58 C 09 12 12.906 +12 54 52.01 V 309
2024-02-09 01:55:38 C 09 12 12.340 +12 54 54.69 V 309
2024-02-09 01:59:45 C 09 12 11.702 +12 54 57.59 V 309
2024-02-15 05:21:36 C 08 50 23.014 +14 34 03.09 V 309
2024-02-15 05:24:59 C 08 50 22.502 +14 34 05.26 V 309
2024-02-15 05:28:27 C 08 50 21.975 +14 34 07.49 V 309