1998 XZ18

1998XZ18, 2000 JY14, 2000JY14, 29678, J98X18Z, K00J14Y

All data for this body: [vot]

MPC data
Name (number) 1998 XZ18 (29678)
a 2.31047
e 0.10568
i / sin(i) 3.9667 / 0.06918
q 2.06631
Q 2.55463
ω 79.8627
Node 83.5977
m 101.3021
n 0.2806
Epoch 2460800.5
nobs 1657
nopp 21
Years observed 1996-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.310
ep 0.150
sin(ip) 0.056
G 0.150
H 15.970
Mass
D 1.64 0.577
pV 0.344 0.1935
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.478
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.8400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3098 0.1500 0.0564 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.64 0.577 0.577 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.344 0.1935 0.1935 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
15.97 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
S S 0.2721 0.9450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1058 0.9450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9743 0.9450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT