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Minor planet follow-up portal
v. 3.17.1a
2026 AA1
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Name
ST26A04 → 2026 AA1
Type
NEO
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 - V98; (TEMP; 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-Jan-11 18:52
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61050.0
Jan. 10, 2026
Orbital inclination in deg
13.83299
Longitude of Ascending Node (deg)
109.75903
Arg of perihelion (deg)
326.50785
Eccentricity
0.645058
Mean distance (AU)
2.7429007
Mean Anomaly (deg)
5.37941
Absolute Magnitude (H)
24.7
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
41
Diameter in meters
(range)
20 - 153
Physical Parameters
Diameter
Initial Diameter Guess using H=24.7 and albedo=0.14 (0.01 to 0.5)
MPC Default
40.78 m
+112.0 / -19.0
Follow-up Details
NEOCP
digest2
score
74
Number of observations
31
Arc length (days)
1.49
Time since last observation (days)
0.01
Spectroscopy Details
Known Taxonomies
None
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