1998 JH1

1998JH1, 1999 RH204, 1999RH204, 42686, J98J01H, J99RK4H

All data for this body: [vot]

MPC data
Name (number) 1998 JH1 (42686)
a 2.44979
e 0.05250
i / sin(i) 8.0529 / 0.14009
q 2.32117
Q 2.57842
ω 19.0368
Node 258.1437
m 326.1311
n 0.2570
Epoch 2460800.5
nobs 3022
nopp 21
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.450
ep 0.056
sin(ip) 0.153
G 0.150
H 14.470
Mass
D 4.78 0.134
pV 0.161 0.0214
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 2.352
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4500 0.0555 0.1527 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.78 0.134 0.134 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.161 0.0214 0.0214 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
14.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.392 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT