1999 XH135

1999XH135, 49879, J99XD5H

All data for this body: [vot]

MPC data
Name (number) 1999 XH135 (49879)
a 2.19646
e 0.17061
i / sin(i) 5.4950 / 0.09576
q 1.82173
Q 2.57119
ω 74.4494
Node 182.1364
m 116.0104
n 0.3028
Epoch 2460800.5
nobs 2476
nopp 20
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.196
ep 0.160
sin(ip) 0.098
G 0.150
H 15.260
Mass
D 2.42 0.315
pV 0.331 0.1470
Value
Rotational Period 5.870
Period quality 2
Spectral Class S
Spectral Class Score 8.947
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 0 Flora Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1961 0.1598 0.0980 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.42 0.315 0.315 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.331 0.1470 0.1470 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
15.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.8738 2 Sidereal Durech 2020A&A...643A..59D Model
5.875 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.992 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.4992 0.4992 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT