2001 YD18

2001YD18, 1997 SW24, 1997SW24, J4738, J97S24W, K01Y18D

All data for this body: [vot]

MPC data
Name (number) 2001 YD18 (194738)
a 2.35806
e 0.13480
i / sin(i) 0.6123 / 0.01069
q 2.04020
Q 2.67593
ω 198.1077
Node 270.9319
m 155.3094
n 0.2722
Epoch 2460800.5
nobs 550
nopp 15
Years observed 1997-2024
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.357
ep 0.161
sin(ip) 0.025
G 0.150
H 16.970
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 2.557
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -0.9400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3575 0.1608 0.0253 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.97 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
V X 0.0745 0.4050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4262 0.4050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT