1999 TC221

1999TC221, 2004 OS10, 2004OS10, J99TM1C, K04O10S, N9848

All data for this body: [vot]

MPC data
Name (number) 1999 TC221 (239848)
a 3.13958
e 0.24335
i / sin(i) 14.8019 / 0.25548
q 2.37557
Q 3.90360
ω 87.0227
Node 239.9305
m 233.8887
n 0.1772
Epoch 2460800.5
nobs 719
nopp 16
Years observed 1999-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Tirela (1400)
 
ap 3.151
ep 0.195
sin(ip) 0.286
G 0.150
H 15.070
Mass
D 2.54 0.215
pV 0.362 0.0364
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1400 Tirela 0 Tirela Novakovic 2019EPSC...13.1671N HCM
1400 Tirela 612 Tirela 0.5200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1510 0.1950 0.2865 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.54 0.215 0.215 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.362 0.0364 0.0364 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
15.07 MPC-2023-12-04 MPC-2023-12-04 Phot