1989 XR1

1989XR1, 2000 DR86, 2000DR86, 43784, J89X01R, K00D86R

All data for this body: [vot]

MPC data
Name (number) 1989 XR1 (43784)
a 2.73892
e 0.21260
i / sin(i) 8.1282 / 0.14139
q 2.15662
Q 3.32123
ω 267.8230
Node 112.6789
m 314.5481
n 0.2174
Epoch 2460800.5
nobs 1345
nopp 23
Years observed 1989-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.738
ep 0.172
sin(ip) 0.127
G 0.150
H 14.880
Mass
D 6.11 0.123
pV 0.070 0.0063
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.926
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7378 0.1715 0.1274 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.39 1.416 1.416 Masiero 2017AJ....154..168M NEATM
5.78 1.320 1.320 Masiero 2020PSJ.....1....5M NEATM
5.92 0.238 0.238 Masiero 2011ApJ...741...68M NEATM
6.19 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0392 0.0392 Masiero 2017AJ....154..168M NEATM
0.067 0.0095 0.0095 Masiero 2011ApJ...741...68M NEATM
0.070 0.0390 0.0390 Masiero 2020PSJ.....1....5M NEATM
0.073 0.0089 0.0089 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
14.88 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.89 Bus VIS Carvano 2010A&A...510A..43C PHOT
K 0.613 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.3314 0.5860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6562 0.5860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT