1999 TL291

1999TL291, 2004 QD2, 2004QD2, I5778, J99TT1L, K04Q02D

All data for this body: [vot]

MPC data
Name (number) 1999 TL291 (185778)
a 3.19213
e 0.17480
i / sin(i) 6.8474 / 0.11923
q 2.63416
Q 3.75010
ω 274.0242
Node 95.7522
m 199.9878
n 0.1728
Epoch 2460800.5
nobs 686
nopp 17
Years observed 1999-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.204
ep 0.136
sin(ip) 0.101
G 0.150
H 15.380
Mass
D 5.13 0.154
pV 0.067 0.0111
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.278
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
3.2036 0.1359 0.1008 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.13 0.154 0.154 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.067 0.0111 0.0111 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
15.38 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
C 0.713 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT