Leifer

18826, 1981 WP6, 1981WP6, 1998 HP62, 1998HP62, 1999 NG24, 1999NG24, J81W06P, J98H62P, J99N24G

All data for this body: [vot]

MPC data
Name (number) Leifer (18826)
a 2.41914
e 0.17428
i / sin(i) 2.8880 / 0.05038
q 1.99753
Q 2.84076
ω 2.9790
Node 76.6269
m 179.8119
n 0.2619
Epoch 2460800.5
nobs 2508
nopp 23
Years observed 1981-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.418
ep 0.172
sin(ip) 0.034
G 0.150
H 14.690
Mass
D
pV
Value
Rotational Period 9.027
Period quality 2
Spectral Class S
Spectral Class Score 14.933
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.0600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4184 0.1719 0.0336 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
14.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.0274 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.83 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9152 0.9530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9637 0.9530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT