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Minor planet follow-up portal
v. 3.15.2
403775 (2011 HS4)
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Data
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Schedule Spectroscopic Observations
Type
NEO (Aten) [PHA]
Status
Not Following
Source
Yarkovsky
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)
Site
Min Altitude
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
2020-05-20T00:58:05
2020-05-21T00:00:00
SIN
Req: 2127015
2020-05-21T18:05:01
2020-05-22T18:00:00
SIN
Req: 2128295
Measurements
Show Measurements
Plot Visibility
Last Update: 2020-Jul-13 19:14
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
58990.0
May 21, 2020
Orbital inclination in deg
5.46328
Longitude of Ascending Node (deg)
117.50466
Arg of perihelion (deg)
314.27757
Eccentricity
0.6800965
Mean distance (AU)
0.93831
Mean Anomaly (deg)
81.48084
Absolute Magnitude (H)
20.9
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
235
Diameter in meters
(range)
113 - 878
Physical Parameters
Absolute Magnitude
MPO301212
21.0
Diameter
Initial Diameter Guess using H=20.9 and albedo=0.14 (0.01 to 0.5)
MPC Default
234.67 m
+643.0 / -110.0
Follow-up Details
Number of observations
103
Arc length (days)
6940.00
Time since last observation (days)
1.80
Spectroscopy Details
Known Taxonomies
None
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