1999 XZ99

1999XZ99, 49858, J99X99Z

All data for this body: [vot]

MPC data
Name (number) 1999 XZ99 (49858)
a 2.45569
e 0.30073
i / sin(i) 6.6679 / 0.11611
q 1.71719
Q 3.19420
ω 96.9822
Node 76.4142
m 156.0028
n 0.2561
Epoch 2460800.5
nobs 1764
nopp 21
Years observed 1991-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.402
ep 0.319
sin(ip) 0.124
G 0.150
H 14.960
Mass
D 4.72 0.846
pV 0.099 0.0435
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 8.931
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4024 0.3189 0.1244 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.34 1.054 1.054 Masiero 2017AJ....154..168M NEATM
5.40 1.419 1.419 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.080 0.0837 0.0837 Masiero 2011ApJ...741...68M NEATM
0.106 0.0509 0.0509 Masiero 2017AJ....154..168M 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
14.96 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 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.4885 0.4700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT