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Minor planet follow-up portal
v. 3.14.2
2021 SA1
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Name
P21ldTA → 2021 SA1
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)
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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Measurements
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Last Update: 2021-Sep-26 16:31
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59478.0
Sept. 21, 2021
Orbital inclination in deg
11.68043
Longitude of Ascending Node (deg)
321.98435
Arg of perihelion (deg)
347.54193
Eccentricity
0.9743021
Perihelion distance (AU)
1.0398060
Epoch of perihelion
Aug. 4, 2021, 7 a.m.
Epoch of perihelion (MJD)
59430.29183
Total Magnitude (M1)
21.6
Slope Parameter (k1)
10.0
Physical Parameters
Diameter
Initial Diameter Guess using H=21.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
170.0 m
+466.0 / -80.0
Follow-up Details
NEOCP
digest2
score
100
Number of observations
4
Arc length (days)
0.02
Time since last observation (days)
6.11
Spectroscopy Details
Known Taxonomies
None
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