1999 JY120

1999JY120, 1987 SP27, 1987SP27, 1991 RV11, 1991RV11, 38177, J87S27P, J91R11V, J99JC0Y

All data for this body: [vot]

MPC data
Name (number) 1999 JY120 (38177)
a 2.59723
e 0.23918
i / sin(i) 3.6596 / 0.06383
q 1.97601
Q 3.21844
ω 168.3549
Node 166.7024
m 7.7957
n 0.2355
Epoch 2460800.5
nobs 1328
nopp 22
Years observed 1991-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.598
ep 0.201
sin(ip) 0.059
G 0.150
H 15.180
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.789
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5982 0.2013 0.0590 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.18 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
K S 0.4368 0.4580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.22 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.7982 0.4580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT