1997 TM20

1997TM20, A0620, J97T20M

All data for this body: [vot]

MPC data
Name (number) 1997 TM20 (100620)
a 3.10444
e 0.04431
i / sin(i) 15.6476 / 0.26972
q 2.96687
Q 3.24200
ω 123.4203
Node 29.4928
m 253.8256
n 0.1802
Epoch 2460800.5
nobs 457
nopp 16
Years observed 1997-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.108
ep 0.068
sin(ip) 0.262
G 0.150
H 15.390
Mass
D 5.64 0.163
pV 0.046 0.0042
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 1.767
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1079 0.0675 0.2620 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.64 0.163 0.163 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.046 0.0042 0.0042 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
15.39 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 D 0.0874 0.1920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.2945 0.1920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V D 0.1440 0.1920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT