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Minor planet follow-up portal
v. 3.17.1a
154276 (2002 SY50)
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Type
NEO (Apollo) [PHA]
Status
Actively Following
Characterization Target
Source
Goldstone
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)
Site
Min Altitude
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Measurements
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Last Update: 2025-Dec-31 19:26
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61033.0
Dec. 24, 2025
Orbital inclination in deg
8.74048
Longitude of Ascending Node (deg)
34.01427
Arg of perihelion (deg)
99.7103
Eccentricity
0.688917
Mean distance (AU)
1.7052917
Mean Anomaly (deg)
119.77214
Absolute Magnitude (H)
17.61
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1068
Diameter in meters
(range)
516 - 3995
Physical Parameters
Rotation Period
REFERENCE LIST:[Masi, G. (2002) http://www.bellatrixobservatory.org/2002sy50lc.gif]
LCDB (Rev. 2023-October); Warner et al., 2009
4.823 h
Absolute Magnitude
E2025-MF8
17.61
Albedo
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)
0.143
+/- 0.173
Diameter
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)
1.06 km
+/- 0.346
Follow-up Details
Number of observations
444
Arc length (days)
7305.00
Time since last observation (days)
1124.04
Spectroscopy Details
Known Taxonomies
None
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