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Minor planet follow-up portal
v. 3.15.2
1991 TF3
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Schedule Spectroscopic Observations
Type
NEO (Apollo)
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
2021-09-11T05:10:00
2021-09-11T06:16:00
LSC
Req: 2629598
Measurements
Show Measurements
Plot Visibility
Last Update: 2021-Sep-22 06:06
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59480.0
Sept. 23, 2021
Orbital inclination in deg
14.88415
Longitude of Ascending Node (deg)
6.08233
Arg of perihelion (deg)
304.05641
Eccentricity
0.5700553
Mean distance (AU)
2.2327437
Mean Anomaly (deg)
11.87255
Absolute Magnitude (H)
19.33
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
484
Diameter in meters
(range)
234 - 1809
Physical Parameters
Diameter
Initial Diameter Guess using H=19.33 and albedo=0.14 (0.01 to 0.5)
MPC Default
483.57 m
+1326.0 / -228.0
Absolute Magnitude
E2021-HE6
19.26
Follow-up Details
Number of observations
274
Arc length (days)
7670.00
Time since last observation (days)
11.25
Spectroscopy Details
(Plots)
SMASS Spectra
NIR
Known Taxonomies
None
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