1997SG16

09989, 1985DY2, 1990EN8, 1992TP, J85D02Y, J90E08N, J92T00P, J97S16G

All data for this body: [vot]

MPC data
Name (number) 1997SG16 (9989)
Packed designation 09989
a 2.85380
e 0.01021
i / sin(i) 1.8245 / 0.03184
q 2.82466
Q 2.88294
ω 313.5372
Node 187.2006
m 251.9433
n 0.2044
Epoch 2459600.5
nobs 2366
nopp 23
Years observed 1990-2021
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.855
ep 0.045
sin(ip) 0.038
Value Standard error
G 0.150
H 13.250
Mass
D 6.67 0.216
pV 0.251 0.0235
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis -0.2400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8547 0.0455 0.0381 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.67 0.216 0.216 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.251 0.0235 0.0235 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
13.25 MPC-2022-01-18 MPC-2022-01-18 Phot