1999 XJ66

1999XJ66, 1997 KL1, 1997KL1, 71028, J97K01L, J99X66J

All data for this body: [vot]

MPC data
Name (number) 1999 XJ66 (71028)
a 2.65377
e 0.10556
i / sin(i) 8.2082 / 0.14277
q 2.37364
Q 2.93391
ω 359.6578
Node 73.9763
m 314.2449
n 0.2280
Epoch 2460800.5
nobs 1175
nopp 20
Years observed 1997-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.655
ep 0.183
sin(ip) 0.126
G 0.150
H 15.570
Mass
D 3.40 0.387
pV 0.116 0.0305
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 6.122
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6550 0.1826 0.1259 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.40 0.387 0.387 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.116 0.0305 0.0305 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
15.57 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 0.993 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C X 0.0274 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.2554 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT