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Minor planet follow-up portal
v. 3.17.1
549328 (2011 GO27)
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Data
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Schedule Spectroscopic Observations
Type
NEO (Apollo)
Status
Actively Following
Characterization Target
Source
LCOGT
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,V45,V47; (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
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
2026-01-13T06:56:00
2026-01-13T12:38:00
ELP
Req: 4082223
2026-01-13T06:56:00
2026-01-13T12:38:00
ELP
Req: 4082222
2026-01-14T06:50:00
2026-01-14T12:38:00
ELP
Req: 4083009
2026-01-14T06:50:00
2026-01-14T12:38:00
ELP
Req: 4083010
2026-01-17T06:30:00
2026-01-17T12:38:00
ELP
Req: 4085387
2026-01-17T06:30:00
2026-01-17T12:38:00
ELP
Req: 4085386
Measurements
Show Measurements
Plot Visibility
Last Update: 2026-May-01 06:11
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61153.0
April 23, 2026
Orbital inclination in deg
6.6676
Longitude of Ascending Node (deg)
336.71846
Arg of perihelion (deg)
95.93429
Eccentricity
0.4713943
Mean distance (AU)
1.8546554
Mean Anomaly (deg)
54.5151
Absolute Magnitude (H)
19.0
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
563
Diameter in meters
(range)
272 - 2106
Physical Parameters
Absolute Magnitude
E2026E92
18.96
Diameter
Initial Diameter Guess using H=19.0 and albedo=0.14 (0.01 to 0.5)
MPC Default
562.94 m
+1543.0 / -265.0
Follow-up Details
Number of observations
1453
Arc length (days)
5844.00
Time since last observation (days)
4.80
Spectroscopy Details
(Plots)
SMASS Spectra
NIR
Known Taxonomies
None
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