1998 XJ46

1998XJ46, 1991 NW9, 1991NW9, 44509, J91N09W, J98X46J

All data for this body: [vot]

MPC data
Name (number) 1998 XJ46 (44509)
a 3.12521
e 0.21269
i / sin(i) 14.1914 / 0.24516
q 2.46051
Q 3.78991
ω 129.1377
Node 295.0759
m 288.2935
n 0.1784
Epoch 2460800.5
nobs 2006
nopp 24
Years observed 1991-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Meliboea (137)
 
ap 3.125
ep 0.197
sin(ip) 0.265
G 0.150
H 13.550
Mass
D 11.63 0.137
pV 0.054 0.0068
Value
Rotational Period 9.940
Period quality 2
Spectral Class B
Spectral Class Score 4.248
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
137 Meliboea 604 Meliboea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1251 0.1974 0.2645 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.16 2.850 2.850 Nugent 2016AJ....152...63N NEATM
11.64 0.137 0.137 Masiero 2011ApJ...741...68M NEATM
11.67 3.060 3.060 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.051 0.0260 0.0540 Masiero 2021PSJ.....2..162M NEATM
0.054 0.0070 0.0070 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
13.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.9407 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
B 0.708 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT