1990 TJ

1990TJ, 12705, 1978 UP, 1978UP, 1982 UR1, 1982UR1, 1986 UK2, 1986UK2, J78U00P, J82U01R, J86U02K, J90T00J

All data for this body: [vot]

MPC data
Name (number) 1990 TJ (12705)
a 2.53083
e 0.06473
i / sin(i) 4.9007 / 0.08543
q 2.36701
Q 2.69466
ω 349.6041
Node 56.0532
m 190.0955
n 0.2448
Epoch 2460800.5
nobs 4756
nopp 26
Years observed 1978-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.530
ep 0.041
sin(ip) 0.072
G 0.150
H 13.870
Mass
D 5.74 0.114
pV 0.174 0.0209
Value
Rotational Period 11.067
Period quality 2
Spectral Class S
Spectral Class Score 17.037
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5301 0.0413 0.0721 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.49 0.143 0.143 Masiero 2011ApJ...741...68M NEATM
6.18 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.168 0.0220 0.0220 Masiero 2012ApJ...759L...8M NEATM
0.233 0.0664 0.0664 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
13.87 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.0675 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
L S 0.4931 0.4430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L S 0.5505 0.4430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.228 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.6194 0.4430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9954 0.4430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT