1999 JP12

1999JP12, 2001 TJ203, 2001TJ203, A1817, J99J12P, K01TK3J

All data for this body: [vot]

MPC data
Name (number) 1999 JP12 (101817)
a 2.71966
e 0.14429
i / sin(i) 10.4560 / 0.18148
q 2.32724
Q 3.11208
ω 354.3227
Node 116.8361
m 20.9331
n 0.2198
Epoch 2460800.5
nobs 1511
nopp 17
Years observed 1999-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.719
ep 0.138
sin(ip) 0.160
G 0.150
H 14.770
Mass
D 3.09 0.469
pV 0.294 0.0957
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.291
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -1.0800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7194 0.1379 0.1602 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.09 0.469 0.469 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.294 0.0957 0.0957 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
14.77 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 0.32 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.8384 0.8930 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9368 0.8930 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT