1999 VM12

1999VM12, 1977 XJ2, 1977XJ2, 25398, J77X02J, J99V12M

All data for this body: [vot]

MPC data
Name (number) 1999 VM12 (25398)
a 2.69484
e 0.18799
i / sin(i) 3.4811 / 0.06072
q 2.18823
Q 3.20144
ω 357.3332
Node 70.0979
m 262.5126
n 0.2228
Epoch 2460800.5
nobs 1559
nopp 22
Years observed 1977-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.694
ep 0.174
sin(ip) 0.043
G 0.150
H 15.080
Mass
D 5.60 0.144
pV 0.066 0.0098
Value
Rotational Period 21.370
Period quality 2
Spectral Class C
Spectral Class Score 5.634
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6942 0.1739 0.0425 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.57 1.680 1.680 Masiero 2020PSJ.....1....5M NEATM
5.59 0.147 0.147 Masiero 2011ApJ...741...68M NEATM
5.63 1.550 1.550 Masiero 2020PSJ.....1....5M NEATM
5.79 1.000 1.000 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.061 0.0390 0.0390 Masiero 2020PSJ.....1....5M NEATM
0.063 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM
0.063 0.0207 0.0207 Masiero 2011ApJ...741...68M NEATM
0.068 0.0121 0.0121 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
15.08 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
21.374 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.939 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT