1997 JH18

1997JH18, 13671, 1981 RN7, 1981RN7, 1997 MH10, 1997MH10, J81R07N, J97J18H, J97M10H

All data for this body: [vot]

MPC data
Name (number) 1997 JH18 (13671)
a 2.57036
e 0.20019
i / sin(i) 5.0363 / 0.08779
q 2.05579
Q 3.08492
ω 173.6619
Node 121.2743
m 240.5071
n 0.2392
Epoch 2460800.5
nobs 1588
nopp 23
Years observed 1981-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.571
ep 0.124
sin(ip) 0.068
G 0.150
H 15.040
Mass
D 2.83 0.187
pV 0.319 0.0348
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.817
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5711 0.1238 0.0680 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.83 0.187 0.187 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.319 0.0348 0.0348 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
15.04 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
S S 0.6036 0.5670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6992 0.5670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT