1991 VM

1991VM, 09867, 1994 PJ, 1994PJ, J91V00M, J94P00J

All data for this body: [vot]

MPC data
Name (number) 1991 VM (9867)
a 2.26432
e 0.19064
i / sin(i) 5.5594 / 0.09688
q 1.83265
Q 2.69600
ω 303.7689
Node 93.7562
m 308.7956
n 0.2893
Epoch 2460800.5
nobs 3833
nopp 26
Years observed 1955-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.264
ep 0.170
sin(ip) 0.084
G 0.150
H 14.660
Mass
D 4.18 0.358
pV 0.198 0.0255
Value
Rotational Period 2.962
Period quality 2
Spectral Class S
Spectral Class Score 10.640
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2643 0.1701 0.0837 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.32 0.678 0.678 Masiero 2011ApJ...741...68M NEATM
4.51 0.421 0.421 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.182 0.0269 0.0269 Masiero 2011ApJ...741...68M NEATM
0.334 0.0790 0.0790 Masiero 2011ApJ...741...68M 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
14.66 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.96156 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.322 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.66 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8980 0.8980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT