4780P-L

19870, 1997GZ21, J97G21Z, PLS4780

All data for this body: [vot]

MPC data
Name (number) 4780P-L (19870)
Packed designation 19870
a 3.18878
e 0.11036
i / sin(i) 5.3230 / 0.09277
q 2.83686
Q 3.54071
ω 308.5996
Node 184.6294
m 209.2134
n 0.1731
Epoch 2459600.5
nobs 1753
nopp 20
Years observed 1960-2021
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.166
ep 0.144
sin(ip) 0.095
Value Standard error
G 0.150
H 13.650
Mass
D 9.95 0.153
pV 0.075 0.0196
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1655 0.1438 0.0952 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.50 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
10.14 0.265 0.265 Masiero 2011ApJ...741...68M NEATM
10.20 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.075 0.0196 0.0196 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
13.65 MPC-2022-01-18 MPC-2022-01-18 Phot