1998 ON13

1998ON13, 16957, 1981 QP4, 1981QP4, 1981 RB4, 1981RB4, J81Q04P, J81R04B, J98O13N

All data for this body: [vot]

MPC data
Name (number) 1998 ON13 (16957)
a 2.26422
e 0.06792
i / sin(i) 9.5242 / 0.16546
q 2.11045
Q 2.41800
ω 36.0819
Node 317.9231
m 280.6521
n 0.2893
Epoch 2460800.5
nobs 4069
nopp 21
Years observed 1954-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.264
ep 0.030
sin(ip) 0.166
G 0.150
H 14.080
Mass
D 4.13 0.101
pV 0.237 0.0270
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 2.322
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2640 0.0297 0.1660 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.13 0.101 0.101 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.237 0.0270 0.0270 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
14.08 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
L 0.387 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT