1997 YL3

1997YL3, 16854, 1999 GC21, 1999GC21, J97Y03L, J99G21C

All data for this body: [vot]

MPC data
Name (number) 1997 YL3 (16854)
a 2.56332
e 0.16276
i / sin(i) 8.3610 / 0.14541
q 2.14612
Q 2.98052
ω 196.7552
Node 90.8726
m 62.3343
n 0.2402
Epoch 2460800.5
nobs 2178
nopp 23
Years observed 1993-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.564
ep 0.153
sin(ip) 0.125
G 0.150
H 14.240
Mass
D 4.07 1.103
pV 0.203 0.1033
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 16.536
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5639 0.1533 0.1246 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.07 1.103 1.103 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.203 0.1033 0.1033 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
14.24 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.95 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4783 0.8530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6325 0.8530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9952 0.8530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT