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Minor planet follow-up portal
v. 3.15.3
2025 QG39
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Schedule Spectroscopic Observations
Name
5JD2B21 → 2025 QG39
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-Sep-15 03:08
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60932.0
Sept. 14, 2025
Orbital inclination in deg
6.33578
Longitude of Ascending Node (deg)
356.88698
Arg of perihelion (deg)
0.77572
Eccentricity
0.4967102
Mean distance (AU)
2.2028762
Mean Anomaly (deg)
357.90775
Absolute Magnitude (H)
23.6
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
68
Diameter in meters
(range)
33 - 253
Physical Parameters
Diameter
Initial Diameter Guess using H=23.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
67.68 m
+186.0 / -32.0
Follow-up Details
NEOCP
digest2
score
77
Number of observations
37
Arc length (days)
1.18
Time since last observation (days)
0.17
Spectroscopy Details
Known Taxonomies
None
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