Biermann

1977 RM, 1977RM, 1999 XH174, 1999XH174, 73640, J77R00M, J99XH4H

All data for this body: [vot]

MPC data
Name (number) Biermann (73640)
a 2.60393
e 0.07760
i / sin(i) 23.5761 / 0.39997
q 2.40186
Q 2.80599
ω 283.9206
Node 96.2598
m 93.6191
n 0.2346
Epoch 2460800.5
nobs 1927
nopp 19
Years observed 1977-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.604
ep 0.048
sin(ip) 0.391
G 0.150
H 14.460
Mass
D 6.88 1.100
pV 0.047 0.0213
Value
Rotational Period 9.649
Period quality 2
Spectral Class C
Spectral Class Score 4.968
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6042 0.0479 0.3912 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.05 1.580 1.580 Masiero 2017AJ....154..168M NEATM
7.11 2.050 2.050 Nugent 2016AJ....152...63N NEATM
8.37 2.310 2.310 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.044 0.0180 0.0310 Masiero 2021PSJ.....2..162M NEATM
0.101 0.0867 0.0867 Masiero 2017AJ....154..168M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.6493 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.828 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT