1991 RW18

1991RW18, 15285, 1997 WL33, 1997WL33, 1999 CN66, 1999CN66, J91R18W, J97W33L, J99C66N

All data for this body: [vot]

MPC data
Name (number) 1991 RW18 (15285)
a 3.06179
e 0.11902
i / sin(i) 4.8667 / 0.08484
q 2.69738
Q 3.42620
ω 98.5862
Node 268.0084
m 87.4559
n 0.1840
Epoch 2460800.5
nobs 2224
nopp 23
Years observed 1991-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.060
ep 0.081
sin(ip) 0.107
G 0.150
H 13.910
Mass
D 10.35 0.323
pV 0.067 0.0068
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 15.331
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0602 0.0811 0.1067 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.29 0.326 0.326 Masiero 2011ApJ...741...68M NEATM
13.23 3.270 3.270 Masiero 2020PSJ.....1....5M NEATM
14.03 4.100 4.100 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.027 0.0180 0.0180 Masiero 2020PSJ.....1....5M NEATM
0.030 0.0210 0.0210 Masiero 2020PSJ.....1....5M NEATM
0.080 0.0079 0.0079 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
13.91 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
Bk Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C 0.874 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.7580 0.8700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.9232 0.8700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT