1999 TG2

1999TG2, 1997 EJ52, 1997EJ52, 26387, J97E52J, J99T02G

All data for this body: [vot]

MPC data
Name (number) 1999 TG2 (26387)
a 2.79029
e 0.08189
i / sin(i) 8.9262 / 0.15516
q 2.56180
Q 3.01879
ω 186.4167
Node 358.6544
m 11.2419
n 0.2115
Epoch 2460800.5
nobs 3875
nopp 22
Years observed 1983-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.790
ep 0.127
sin(ip) 0.158
G 0.150
H 12.990
Mass
D 7.17 0.118
pV 0.377 0.0491
Value
Rotational Period 5.147
Period quality 2
Spectral Class S
Spectral Class Score 4.760
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion 0.2200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7898 0.1272 0.1577 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.17 0.118 0.118 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.377 0.0491 0.0491 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
12.99 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.1472 2 Sidereal Durech 2016A&A...587A..48D Model
5.14721 2 Sidereal Durech 2023A&A...675A..24D Model
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 0.88 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT