1220 T-2

1220T-2, 1979 WA1, 1979WA1, 1996 RO13, 1996RO13, 52167, J79W01A, J96R13O, T2S1220

All data for this body: [vot]

MPC data
Name (number) 1220 T-2 (52167)
a 3.19493
e 0.17565
i / sin(i) 0.3247 / 0.00567
q 2.63374
Q 3.75612
ω 167.5773
Node 247.6610
m 309.5379
n 0.1726
Epoch 2460800.5
nobs 1394
nopp 26
Years observed 1973-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.194
ep 0.156
sin(ip) 0.026
G 0.150
H 14.300
Mass
D 7.42 0.339
pV 0.081 0.0107
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 11.648
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1942 0.1564 0.0264 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.42 0.339 0.339 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.081 0.0107 0.0107 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
14.30 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
B C 0.0614 0.3980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.55 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.992 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.1624 0.3980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6036 0.3980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT