1999 XC49

1999XC49, 66964, J99X49C

All data for this body: [vot]

MPC data
Name (number) 1999 XC49 (66964)
a 3.00392
e 0.06376
i / sin(i) 8.7678 / 0.15243
q 2.81239
Q 3.19545
ω 247.0066
Node 251.8186
m 245.7833
n 0.1893
Epoch 2460800.5
nobs 980
nopp 22
Years observed 1998-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.007
ep 0.084
sin(ip) 0.172
G 0.150
H 14.780
Mass
D 4.12 1.080
pV 0.181 0.0345
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.810
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
3310 Patsy -1 Patsy -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.1600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0070 0.0835 0.1715 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.12 1.080 1.080 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.181 0.0345 0.0345 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
14.78 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 0.635 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L 0.45 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.4927 0.3360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D X 0.5749 0.3360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT