1999 JU51

1999JU51, 1987 SN2, 1987SN2, 1992 EW22, 1992EW22, 38134, J87S02N, J92E22W, J99J51U

All data for this body: [vot]

MPC data
Name (number) 1999 JU51 (38134)
a 2.17731
e 0.10816
i / sin(i) 6.4779 / 0.11282
q 1.94180
Q 2.41281
ω 351.8666
Node 54.7216
m 220.8686
n 0.3068
Epoch 2460800.5
nobs 3316
nopp 20
Years observed 1992-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.177
ep 0.120
sin(ip) 0.097
G 0.150
H 14.460
Mass
D 3.21 0.610
pV 0.359 0.1840
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.574
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1774 0.1204 0.0968 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.21 0.610 0.610 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.359 0.1840 0.1840 Masiero 2012ApJ...759L...8M 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
14.46 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 0.929 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT