1997 LY12

1997LY12, 1999 TT280, 1999TT280, 2000 YX119, 2000YX119, 35349, J97L12Y, J99TS0T, K00YB9X

All data for this body: [vot]

MPC data
Name (number) 1997 LY12 (35349)
a 3.21979
e 0.09800
i / sin(i) 6.2338 / 0.10859
q 2.90424
Q 3.53534
ω 51.3235
Node 83.2927
m 36.0363
n 0.1706
Epoch 2460800.5
nobs 1343
nopp 23
Years observed 1991-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.205
ep 0.135
sin(ip) 0.090
G 0.150
H 14.480
Mass
D 8.45 0.303
pV 0.030 0.0085
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 9.610
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2050 0.1346 0.0897 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.10 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
8.34 0.525 0.525 Masiero 2011ApJ...741...68M NEATM
8.90 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0085 0.0085 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
14.48 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
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.3197 0.3140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.6537 0.3140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.40 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.996 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C B 0.4723 0.3140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT