398P/2009 Q4 (398P/Boattini)

Schedule Observations Schedule Spectroscopic Observations
NameA10pC1B → P/2009 Q4
Type Comet (Jupiter Family)
Status Not Following
Source Minor Planet Center
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Recent Blocks Scheduled
  • No blocks have been scheduled
Measurements
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Last Update: 2020-Sep-23 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0 Dec. 17, 2020
Orbital inclination in deg 11.01536
Longitude of Ascending Node (deg) 127.46354
Arg of perihelion (deg) 320.23589
Eccentricity 0.5825925
Perihelion distance (AU) 1.3056809
Epoch of perihelion Dec. 26, 2020, 5:54 p.m.
Epoch of perihelion (MJD) 59209.74632
Total Magnitude (M1) 15.3
Slope Parameter (k1) 10.5
Physical Parameters
PC autocmod 2.9c

K202/1
0.03
K2 autocmod 2.9c

K202/1
5.0
M2 from 170 observations, autocmod 2.9c

K202/1
17.1 +/- 0.5
K1 autocmod 2.9c

K202/1
10.5
M1 2 parameter fit from 1282 observations, autocmod 2.9c

K202/1
15.3 +/- 0.8
Absolute Magnitude MPC Default
15.5
Diameter Initial Diameter Guess using H=15.5 and albedo=0.14 (0.01 to 0.5)

MPC Default
2821.38 m +7735.0 / -1328.0
Follow-up Details
NEOCP digest2 score 100
Number of observations 961
Arc length (days) 4046.00
Time since last observation (days) 522.09
Spectroscopy Details
Known Taxonomies None