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Minor planet follow-up portal
v. 3.15.3
2025 OR1
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Name
ST25G18 → 2025 OR1
Type
NEO
Status
Actively Following
Source
Minor Planet Center
UTC date
------------ Any 1.0m ------------
LSC 1.0m - W85-87; (CTIO, Chile)
ELP 1.0m - V37,V39; (McDonald, Texas)
COJ 1.0m - Q63-64; (Siding Spring, Aust.)
CPT 1.0m - K91-93; (Sutherland, S. Africa)
TFN 1.0m - Z31,Z24; (Tenerife, Spain)
------------ Any 0.4m ------------
LSC 0.4m - W89,W79; (CTIO, Chile)
ELP 0.4m - V38; (McDonald, Texas)
OGG 0.4m - T03-04; (Maui, Hawaii)
COJ 0.4m - Q58-59; (Siding Spring, Aust.)
CPT 0.4m - L09; (Sutherland, S. Africa)
TFN 0.4m - Z17,Z21; (Tenerife, Spain)
------------ Any 2.0m ------------
FTS 2.0m - E10; (Siding Spring, Aust.) [MuSCAT4]
FTN 2.0m - F65; (Maui, Hawaii ) [MuSCAT3]
------------ Non LCO ------------
Mt John 1.8m - 474 (Mt John, NZ)
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Last Update: 2025-Jul-23 13:50
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60878.0
July 22, 2025
Orbital inclination in deg
17.68479
Longitude of Ascending Node (deg)
120.84959
Arg of perihelion (deg)
171.77656
Eccentricity
0.5538075
Mean distance (AU)
2.3355318
Mean Anomaly (deg)
1.65626
Absolute Magnitude (H)
26.2
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
20
Diameter in meters
(range)
10 - 76
Physical Parameters
Diameter
Initial Diameter Guess using H=26.2 and albedo=0.14 (0.01 to 0.5)
MPC Default
20.44 m
+56.0 / -10.0
Absolute Magnitude
MPC Default
26.2
Follow-up Details
NEOCP
digest2
score
74
Number of observations
22
Arc length (days)
1.23
Time since last observation (days)
0.02
Spectroscopy Details
Known Taxonomies
None
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