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Minor planet follow-up portal
v. 3.17.1a
2025 XX21
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Name
P12iFHr → 2025 XX21
Type
Asteroid
Status
Not 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)
ELP 0.4m - V45; (McDonald, Texas)
ELP 0.4m - V99; (TEMP; 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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Min Altitude
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Measurements
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Last Update: 2026-Feb-11 05:11
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61132.0
April 2, 2026
Orbital inclination in deg
168.2049
Longitude of Ascending Node (deg)
110.07761
Arg of perihelion (deg)
28.25982
Eccentricity
0.8204309
Mean distance (AU)
18.2400941
Mean Anomaly (deg)
0.83333
Absolute Magnitude (H)
17.1
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1350
Diameter in meters
(range)
652 - 5053
Physical Parameters
Diameter
Initial Diameter Guess using H=17.1 and albedo=0.14 (0.01 to 0.5)
MPC Default
1350.4 m
+3702.0 / -636.0
Follow-up Details
NEOCP
digest2
score
10
Number of observations
50
Arc length (days)
74.75
Time since last observation (days)
2.37
Spectroscopy Details
Known Taxonomies
None
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