1999 XR1

1999XR1, 97196, J99X01R

All data for this body: [vot]

MPC data
Name (number) 1999 XR1 (97196)
a 2.78906
e 0.25861
i / sin(i) 25.5346 / 0.43106
q 2.06779
Q 3.51033
ω 92.9734
Node 94.3727
m 96.7061
n 0.2116
Epoch 2460800.5
nobs 1740
nopp 19
Years observed 1999-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.791
ep 0.223
sin(ip) 0.443
G 0.150
H 14.300
Mass
D 3.46 0.061
pV 0.325 0.0287
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7913 0.2229 0.4426 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.45 0.072 0.072 Masiero 2011ApJ...741...68M NEATM
3.48 0.114 0.114 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.320 0.0347 0.0347 Masiero 2011ApJ...741...68M NEATM
0.335 0.0512 0.0512 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
14.30 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 None None Movis NIR Popescu 2018A&A...617A..12P PHOT