1999 RW18

1999RW18, 1998 HM68, 1998HM68, 44609, J98H68M, J99R18W

All data for this body: [vot]

MPC data
Name (number) 1999 RW18 (44609)
a 2.20372
e 0.08197
i / sin(i) 4.7810 / 0.08335
q 2.02309
Q 2.38436
ω 69.7010
Node 356.1626
m 235.8240
n 0.3013
Epoch 2460800.5
nobs 2929
nopp 19
Years observed 1998-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.203
ep 0.114
sin(ip) 0.083
G 0.150
H 15.150
Mass
D 2.67 0.189
pV 0.297 0.0647
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 12.934
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2033 0.1141 0.0828 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.67 0.189 0.189 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.297 0.0647 0.0647 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
15.15 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
L S 0.4636 0.4390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.55 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.978 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.4943 0.4390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT