2005 XT77

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2664884520 ± 8.60e-08
Semi-major axis (a)0.8410973685 AU ± 3.72e-09
Inclination (i)17.21929961° ± 1.17e-05
Long. of Asc. Node (Ω)84.77882622° ± 4.15e-06
Arg. of Perihelion (ω)150.03251697° ± 1.69e-05
Mean Anomaly (M)166.73493805° ± 3.20e-05
Mean Motion (n)1.2777411006°/day ± 8.47e-09
Perihelion dist (q)0.61695463 AU ± 7.24e-08
Aphelion dist (Q)1.06524010 AU ± 7.25e-08
Orbital Period0.77138184 yr ± 5.11e-09
NGA Modelr2
A25.48046264e-14 ± 5.98e-15 AU/d²
Physical Parameters
H (abs. magnitude)21.42
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.327″
Uncertainty0
Orbit TypeAten
MOID0.026708 AU
Observations Used122
Oppositions6
Arc Total2005-2025
First Observation Used2005-12-06
Last Observation Used2025-10-29
Observations (125)
Date Type RA Dec Mag Band Observatory
2015-12-11 01:42:35 C 01 17 51.98 -21 37 19.5 u 807
2015-12-11 01:45:56 C 01 17 51.42 -21 37 06.4 u 807
2015-12-11 01:49:17 C 01 17 50.85 -21 36 53.1 u 807
2015-12-11 01:52:39 C 01 17 50.29 -21 36 39.4 u 807
2015-12-11 01:56:00 C 01 17 49.73 -21 36 26.1 u 807
2015-12-14 00:39:39 C 01 07 45.31 -16 57 55.8 u 807
2015-12-14 00:43:13 C 01 07 44.82 -16 57 42.4 u 807
2015-12-14 00:46:50 C 01 07 44.31 -16 57 28.2 u 807
2015-12-14 00:50:02 C 01 07 43.85 -16 57 15.5 u 807
2015-12-14 00:53:32 C 01 07 43.33 -16 57 01.7 u 807
2015-12-31 05:12:25 C 00 32 10.251 +05 42 18.53 L F51
2015-12-31 05:47:05 C 00 32 07.984 +05 43 51.14 L F51
2015-12-31 06:04:22 C 00 32 06.849 +05 44 37.25 L F51
2022-11-16 09:30:04 C 08 53 15.81 -03 25 03.6 o 691
2022-11-16 09:44:47 C 08 53 17.69 -03 24 54.0 o 691
2022-11-16 09:59:29 C 08 53 19.59 -03 24 44.4 o 691
2022-11-23 11:55:29 C 09 18 52.69 -01 08 38.3 o 691
2022-11-23 12:00:57 C 09 18 53.56 -01 08 32.0 o 691
2022-12-01 12:34:06 C 09 57 24.512 +02 54 22.90 V G96
2022-12-01 12:41:35 C 09 57 26.233 +02 54 34.34 V G96
2022-12-01 12:49:03 C 09 57 27.929 +02 54 46.40 V G96
2022-12-01 12:56:34 C 09 57 29.639 +02 54 58.14 V G96
2025-10-29 00:30:48 C 01 37 39.850 -77 10 12.40 V 807
2025-10-29 00:41:23 C 01 37 34.790 -77 09 44.90 V 807
2025-10-29 00:46:41 C 01 37 32.300 -77 09 31.70 V 807