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Minor planet follow-up portal
v. 3.15.2
2021 PH27
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Schedule Spectroscopic Observations
Name
v13aug1 → 2021 PH27
Type
NEO
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)
Site
Min Altitude
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
2021-08-15T17:10:00
2021-08-15T17:20:00
CPT
Req: 2614818
2021-08-16T00:00:00
2021-08-17T00:00:00
SIN
Req: 2614888
2021-08-18T00:39:00
2021-08-19T00:39:00
SIN
Req: 2617290
Measurements
Show Measurements
Plot Visibility
Last Update: 2021-Aug-21 02:54
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59440.0
Aug. 14, 2021
Orbital inclination in deg
31.69939
Longitude of Ascending Node (deg)
39.4539
Arg of perihelion (deg)
8.46179
Eccentricity
0.7093717
Mean distance (AU)
0.461634
Mean Anomaly (deg)
188.42367
Absolute Magnitude (H)
17.7
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1024
Diameter in meters
(range)
495 - 3833
Physical Parameters
Diameter
Initial Diameter Guess using H=17.7 and albedo=0.14 (0.01 to 0.5)
MPC Default
1024.38 m
+2808.0 / -482.0
Follow-up Details
NEOCP
digest2
score
98
Number of observations
53
Arc length (days)
4.40
Time since last observation (days)
2.81
Spectroscopy Details
Known Taxonomies
None
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