1999 TU94

1999TU94, 1997 EQ27, 1997EQ27, 40831, J97E27Q, J99T94U

All data for this body: [vot]

MPC data
Name (number) 1999 TU94 (40831)
a 2.68400
e 0.01674
i / sin(i) 6.9975 / 0.12183
q 2.63907
Q 2.72893
ω 80.2816
Node 102.6605
m 123.7008
n 0.2241
Epoch 2460800.5
nobs 1998
nopp 22
Years observed 1997-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.684
ep 0.061
sin(ip) 0.105
G 0.150
H 14.610
Mass
D 3.46 0.350
pV 0.256 0.0672
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.677
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6840 0.0612 0.1047 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.46 0.350 0.350 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.256 0.0672 0.0672 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
14.61 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
L&D X DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S V 0.4461 0.6920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SQ 0.35 Bus VIS Carvano 2010A&A...510A..43C PHOT
V V 0.7641 0.6920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT