1999 XW85

1999XW85, 14227, 1984 DH2, 1984DH2, 1986 RF9, 1986RF9, 1990 FH1, 1990FH1, 1991 NM7, 1991NM7, 1998 VU23, 1998VU23, J84D02H, J86R09F, J90F01H, J91N07M, J98V23U, J99X85W

All data for this body: [vot]

MPC data
Name (number) 1999 XW85 (14227)
a 3.10484
e 0.12002
i / sin(i) 2.2528 / 0.03931
q 2.73219
Q 3.47750
ω 84.8161
Node 132.8916
m 128.3620
n 0.1802
Epoch 2460800.5
nobs 4419
nopp 29
Years observed 1984-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.110
ep 0.146
sin(ip) 0.025
G 0.150
H 12.610
Mass
D 17.91 0.248
pV 0.059 0.0098
Value
Rotational Period 3.440
Period quality 2
Spectral Class C
Spectral Class Score 4.204
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.3400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1099 0.1465 0.0251 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.64 0.262 0.262 Masiero 2011ApJ...741...68M NEATM
19.64 3.930 3.930 Ali-Lagoa 2018A&A...612A..85A NEATM
20.22 0.800 0.800 Usui 2011PASJ...63.1117U NEATM
21.51 4.300 4.300 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.051 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.075 0.0150 0.0150 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
12.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.44032 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C C 0.3673 0.3673 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
CX 0.48 Bus VIS Carvano 2010A&A...510A..43C PHOT