1996 XY18

1996XY18, 18538, 1998 HO98, 1998HO98, J96X18Y, J98H98O

All data for this body: [vot]

MPC data
Name (number) 1996 XY18 (18538)
a 2.44622
e 0.16772
i / sin(i) 2.9073 / 0.05072
q 2.03594
Q 2.85650
ω 209.7893
Node 231.1198
m 148.7515
n 0.2576
Epoch 2460800.5
nobs 2709
nopp 22
Years observed 1996-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.447
ep 0.171
sin(ip) 0.064
G 0.150
H 14.690
Mass
D 5.72 0.662
pV 0.073 0.0184
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 12.895
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4467 0.1709 0.0639 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.33 1.120 1.120 Masiero 2021PSJ.....2..162M NEATM
5.70 1.450 1.450 Nugent 2016AJ....152...63N NEATM
6.01 1.360 1.360 Masiero 2021PSJ.....2..162M NEATM
6.05 1.457 1.457 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.061 0.0200 0.0310 Masiero 2021PSJ.....2..162M NEATM
0.089 0.0386 0.0386 Masiero 2017AJ....154..168M NEATM
0.090 0.0330 0.0520 Masiero 2021PSJ.....2..162M 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
14.69 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 0.963 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.5288 0.5960 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6574 0.5960 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT