1998HP42

16943, 1958TR, 1975YK, 1985FY2, 1989CF9, J58T00R, J75Y00K, J85F02Y, J89C09F, J98H42P

All data for this body: [vot]

MPC data
Name (number) 1998HP42 (16943)
Packed designation 16943
a 2.59748
e 0.17575
i / sin(i) 14.1871 / 0.24509
q 2.14098
Q 3.05398
ω 339.0591
Node 69.5475
m 21.1170
n 0.2354
Epoch 2459600.5
nobs 2228
nopp 24
Years observed 1958-2022
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.597
ep 0.168
sin(ip) 0.223
Value Standard error
G 0.150
H 12.760
Mass
D 8.14 0.060
pV 0.226 0.0218
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5974 0.1679 0.2231 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.09 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
8.15 0.067 0.067 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.222 0.0316 0.0316 Masiero 2011ApJ...741...68M NEATM
0.230 0.0300 0.0300 Masiero 2014ApJ...791..121M 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
12.76 MPC-2022-01-18 MPC-2022-01-18 Phot