1998 QR89

1998QR89, 1983 AH, 1983AH, 2000 EN157, 2000EN157, 74150, J83A00H, J98Q89R, K00EF7N

All data for this body: [vot]

MPC data
Name (number) 1998 QR89 (74150)
a 2.56488
e 0.27826
i / sin(i) 9.6089 / 0.16692
q 1.85117
Q 3.27860
ω 112.4291
Node 306.5354
m 352.2567
n 0.2399
Epoch 2460200.5
nobs 1903
nopp 17
Years observed 1983-2023
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.564
ep 0.260
sin(ip) 0.195
Value Standard error
G 0.150
H 14.930
Mass
D 7.06 0.205
pV 0.039 0.0052
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5640 0.2604 0.1946 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.49 1.790 1.790 Masiero 2021PSJ.....2..162M NEATM
5.57 1.640 1.640 Nugent 2016AJ....152...63N NEATM
6.68 2.020 2.020 Masiero 2021PSJ.....2..162M NEATM
6.83 2.740 2.740 Masiero 2012ApJ...759L...8M NEATM
7.11 0.210 0.210 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0055 0.0055 Masiero 2011ApJ...741...68M NEATM
0.040 0.0170 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.055 0.0420 0.0420 Masiero 2012ApJ...759L...8M NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.072 0.0320 0.0560 Masiero 2021PSJ.....2..162M 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
14.93 MPC-2023-12-04 MPC-2023-12-04 Phot