1998 QD20

1998QD20, 2000 AC189, 2000AC189, 42710, J98Q20D, K00AI9C

All data for this body: [vot]

MPC data
Name (number) 1998 QD20 (42710)
a 2.94113
e 0.09557
i / sin(i) 11.0209 / 0.19117
q 2.66005
Q 3.22220
ω 224.8130
Node 185.7080
m 38.1155
n 0.1954
Epoch 2460800.5
nobs 2092
nopp 23
Years observed 1997-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Terentia (1189)
 
ap 2.940
ep 0.070
sin(ip) 0.192
G 0.150
H 14.310
Mass
D 7.50 0.154
pV 0.081 0.0116
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.576
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1189 Terentia 0 Terentia Novakovic 2019EPSC...13.1671N HCM
1189 Terentia 618 Terentia 1.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9399 0.0704 0.1922 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.97 3.920 3.920 Masiero 2020PSJ.....1....5M NEATM
7.49 0.154 0.154 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0340 0.0340 Masiero 2020PSJ.....1....5M NEATM
0.087 0.0123 0.0123 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
14.31 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 C 0.2627 0.2627 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT