2001 YJ34

2001YJ34, 1999 LH21, 1999LH21, 55556, J99L21H, K01Y34J

All data for this body: [vot]

MPC data
Name (number) 2001 YJ34 (55556)
a 3.02285
e 0.17863
i / sin(i) 10.0470 / 0.17446
q 2.48289
Q 3.56281
ω 203.3203
Node 69.1779
m 316.7953
n 0.1875
Epoch 2460800.5
nobs 1904
nopp 21
Years observed 1999-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.023
ep 0.196
sin(ip) 0.155
G 0.150
H 14.330
Mass
D 8.27 0.088
pV 0.060 0.0040
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.906
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0226 0.1958 0.1552 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.90 2.660 2.660 Masiero 2021PSJ.....2..162M NEATM
8.27 0.088 0.088 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0280 0.0550 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0040 0.0040 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
14.33 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.64 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.4377 0.2480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S C 0.2467 0.2480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.1176 0.2480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT