1999 RY39

1999RY39, 1976 UU10, 1976UU10, 40454, J76U10U, J99R39Y

All data for this body: [vot]

MPC data
Name (number) 1999 RY39 (40454)
a 2.76500
e 0.16532
i / sin(i) 8.3944 / 0.14599
q 2.30788
Q 3.22211
ω 128.6671
Node 207.7169
m 236.5659
n 0.2144
Epoch 2460800.5
nobs 1807
nopp 23
Years observed 1976-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.766
ep 0.127
sin(ip) 0.157
G 0.150
H 14.900
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 1.033
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion -0.2800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7660 0.1274 0.1565 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
14.90 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 0.1722 0.1722 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT