1999 TO309

1999TO309, 2005 XV28, 2005XV28, J99TU9O, K05X28V, S5402

All data for this body: [vot]

MPC data
Name (number) 1999 TO309 (285402)
a 3.19649
e 0.18104
i / sin(i) 5.4775 / 0.09545
q 2.61781
Q 3.77518
ω 9.8289
Node 16.5609
m 175.0592
n 0.1725
Epoch 2460800.5
nobs 305
nopp 16
Years observed 1999-2025
rms 0.88
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.208
ep 0.145
sin(ip) 0.091
G 0.150
H 16.270
Mass
D 3.45 0.761
pV 0.054 0.0392
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 1.681
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
3.2078 0.1454 0.0907 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.45 0.761 0.761 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0392 0.0392 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
16.27 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 B 0.2801 0.2590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.06 Bus VIS Carvano 2010A&A...510A..43C PHOT
C B 0.1214 0.2590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT