1998 HK39

1998HK39, 1999 NS41, 1999NS41, 35580, J98H39K, J99N41S

All data for this body: [vot]

MPC data
Name (number) 1998 HK39 (35580)
a 2.73385
e 0.07325
i / sin(i) 5.0822 / 0.08859
q 2.53361
Q 2.93410
ω 237.6072
Node 30.3465
m 295.1934
n 0.2180
Epoch 2460800.5
nobs 3545
nopp 22
Years observed 1998-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Nemesis (128)
 
ap 2.735
ep 0.087
sin(ip) 0.083
G 0.150
H 14.010
Mass
D 8.32 0.181
pV 0.085 0.0128
Value
Rotational Period 4.511
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
128 Nemesis 504 Nemesis -1.1100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7349 0.0872 0.0834 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.32 0.181 0.181 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.085 0.0128 0.0128 Masiero 2011ApJ...741...68M 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
14.01 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.51131 2 Sidereal Durech 2023A&A...675A..24D Model