1999 TJ218

1999TJ218, 2001 AU34, 2001AU34, 40947, J99TL8J, K01A34U

All data for this body: [vot]

MPC data
Name (number) 1999 TJ218 (40947)
a 2.70645
e 0.03540
i / sin(i) 5.8182 / 0.10137
q 2.61065
Q 2.80225
ω 175.1877
Node 350.2618
m 115.2728
n 0.2214
Epoch 2460800.5
nobs 1517
nopp 21
Years observed 1997-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.706
ep 0.075
sin(ip) 0.107
G 0.150
H 14.920
Mass
D 2.82 0.652
pV 0.352 0.0943
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 11.791
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7061 0.0753 0.1074 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.82 0.652 0.652 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.352 0.0943 0.0943 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
14.92 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
S S 0.3706 0.7750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6779 0.7750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9166 0.7750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT