Tommygrav

12309, 1992 DD3, 1992DD3, 1998 MJ, 1998MJ, J92D03D, J98M00J

All data for this body: [vot]

MPC data
Name (number) Tommygrav (12309)
a 2.71882
e 0.02929
i / sin(i) 0.7183 / 0.01254
q 2.63918
Q 2.79846
ω 113.0161
Node 321.0925
m 225.1619
n 0.2199
Epoch 2460800.5
nobs 2407
nopp 25
Years observed 1992-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.719
ep 0.039
sin(ip) 0.029
G 0.150
H 14.550
Mass
D 8.65 0.058
pV 0.042 0.0037
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 13.891
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7185 0.0389 0.0295 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.21 1.920 1.920 Masiero 2020PSJ.....1....5M NEATM
8.65 0.058 0.058 Masiero 2011ApJ...741...68M NEATM
9.67 2.380 2.380 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.033 0.0180 0.0180 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0038 0.0038 Masiero 2011ApJ...741...68M NEATM
0.045 0.0450 0.0450 Masiero 2020PSJ.....1....5M 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
14.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.71 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.986 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C X 0.7592 0.3060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.7380 0.3060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT