1997 TN18

1997TN18, 1999 FV46, 1999FV46, 31141, J97T18N, J99F46V

All data for this body: [vot]

MPC data
Name (number) 1997 TN18 (31141)
a 2.40267
e 0.15403
i / sin(i) 2.9410 / 0.05131
q 2.03259
Q 2.77275
ω 30.7856
Node 109.7908
m 32.2740
n 0.2646
Epoch 2460800.5
nobs 1606
nopp 20
Years observed 1995-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.403
ep 0.188
sin(ip) 0.036
G 0.150
H 15.720
Mass
D 1.89 0.382
pV 0.341 0.1095
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 1.986
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4030 0.1884 0.0364 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.89 0.382 0.382 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.341 0.1095 0.1095 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
15.72 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 0.331 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT