1999 XE166

1999XE166, 13863, 1975 RV, 1975RV, 1989 PN, 1989PN, 1994 TS15, 1994TS15, J75R00V, J89P00N, J94T15S, J99XG6E

All data for this body: [vot]

MPC data
Name (number) 1999 XE166 (13863)
a 2.80767
e 0.24241
i / sin(i) 6.4958 / 0.11313
q 2.12706
Q 3.48828
ω 36.2748
Node 316.4100
m 182.0423
n 0.2095
Epoch 2460800.5
nobs 2650
nopp 26
Years observed 1975-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.808
ep 0.200
sin(ip) 0.129
G 0.150
H 13.790
Mass
D 9.29 0.229
pV 0.054 0.0126
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 4.483
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8084 0.1996 0.1293 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.47 3.610 3.610 Masiero 2020PSJ.....1....5M NEATM
12.75 3.100 3.100 Masiero 2021PSJ.....2..162M NEATM
9.26 0.230 0.230 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0140 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.045 0.0500 0.0500 Masiero 2020PSJ.....1....5M NEATM
0.075 0.0188 0.0188 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
13.79 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
X X 0.7472 0.7472 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT