Sheridanlamp

1999 RJ118, 1999RJ118, 20559, J99RB8J

All data for this body: [vot]

MPC data
Name (number) Sheridanlamp (20559)
a 2.58889
e 0.19140
i / sin(i) 7.4145 / 0.12905
q 2.09337
Q 3.08442
ω 124.5703
Node 166.5334
m 83.7390
n 0.2366
Epoch 2460800.5
nobs 2018
nopp 23
Years observed 1995-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Rafita (1644)
 
ap 2.590
ep 0.172
sin(ip) 0.128
G 0.150
H 14.800
Mass
D 3.65 0.770
pV 0.175 0.0429
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.287
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1644 Rafita 518 Rafita 0.8100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5902 0.1724 0.1279 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.65 0.770 0.770 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.175 0.0429 0.0429 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
14.80 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.69 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9845 0.9845 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT