1997GQ7

1985UA4, 1992FC, 20210, J85U04A, J92F00C, J97G07Q

All data for this body: [vot]

MPC data
Name (number) 1997GQ7 (20210)
Packed designation 20210
a 2.77509
e 0.15821
i / sin(i) 15.9115 / 0.27415
q 2.33605
Q 3.21413
ω 3.2484
Node 46.0842
m 292.9108
n 0.2132
Epoch 2459600.5
nobs 2352
nopp 21
Years observed 1985-2021
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.774
ep 0.151
sin(ip) 0.256
Value Standard error
G 0.150
H 12.470
Mass
D 19.75 0.144
pV 0.053 0.0056
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7736 0.1515 0.2556 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.27 5.240 5.240 Nugent 2016AJ....152...63N NEATM
19.70 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
19.77 6.200 6.200 Masiero 2020PSJ.....1....5M NEATM
19.83 8.430 8.430 Masiero 2020PSJ.....1....5M NEATM
20.25 6.620 6.620 Nugent 2016AJ....152...63N NEATM
21.44 6.580 6.580 Masiero 2021PSJ.....2..162M NEATM
22.77 7.780 7.780 Masiero 2020PSJ.....1....5M NEATM
23.85 1.410 1.410 Usui 2011PASJ...63.1117U NEATM
24.70 4.940 4.940 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0170 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.041 0.0340 0.0340 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0380 0.0380 Masiero 2020PSJ.....1....5M NEATM
0.050 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.051 0.0530 0.0530 Masiero 2020PSJ.....1....5M NEATM
0.060 0.0067 0.0067 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.47 MPC-2022-01-18 MPC-2022-01-18 Phot