Hollycheng

17145, 1987 RW4, 1987RW4, 1987 SA20, 1987SA20, 1987 WA3, 1987WA3, 1996 TT10, 1996TT10, 1999 JG99, 1999JG99, J87R04W, J87S20A, J87W03A, J96T10T, J99J99G

All data for this body: [vot]

MPC data
Name (number) Hollycheng (17145)
a 2.69442
e 0.18032
i / sin(i) 16.0722 / 0.27685
q 2.20855
Q 3.18028
ω 229.3796
Node 189.1386
m 5.4076
n 0.2228
Epoch 2460200.5
nobs 2685
nopp 22
Years observed 1987-2023
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.694
ep 0.170
sin(ip) 0.280
Value Standard error
G 0.150
H 13.730
Mass
D 7.56 1.339
pV 0.089 0.0390
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6943 0.1698 0.2795 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.42 1.750 1.750 Masiero 2012ApJ...759L...8M NEATM
9.17 2.080 2.080 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.081 0.0410 0.0410 Masiero 2020PSJ.....1....5M NEATM
0.171 0.1280 0.1280 Masiero 2012ApJ...759L...8M 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
13.73 MPC-2023-12-04 MPC-2023-12-04 Phot