1999 XN157

1999XN157, 80375, J99XF7N

All data for this body: [vot]

MPC data
Name (number) 1999 XN157 (80375)
a 2.23757
e 0.11390
i / sin(i) 3.0652 / 0.05347
q 1.98270
Q 2.49244
ω 269.7996
Node 167.0972
m 218.1193
n 0.2945
Epoch 2460800.5
nobs 869
nopp 17
Years observed 1999-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.237
ep 0.134
sin(ip) 0.058
G 0.150
H 16.750
Mass
D 2.71 0.074
pV 0.050 0.0035
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.066
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2373 0.1341 0.0580 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.71 0.074 0.074 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0035 0.0035 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
16.75 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
C C 0.1777 0.1777 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT