1999 RS18

1999RS18, 70197, J99R18S

All data for this body: [vot]

MPC data
Name (number) 1999 RS18 (70197)
a 2.43006
e 0.21271
i / sin(i) 15.7890 / 0.27210
q 1.91316
Q 2.94696
ω 172.7280
Node 174.4164
m 280.2053
n 0.2602
Epoch 2460800.5
nobs 2015
nopp 19
Years observed 1999-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Chimaera (623)
 
ap 2.429
ep 0.145
sin(ip) 0.260
G 0.150
H 16.020
Mass
D 3.94 0.192
pV 0.050 0.0081
Value
Rotational Period 11.926
Period quality 2
Spectral Class X
Spectral Class Score 0.697
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
623 Chimaera 0 Chimaera Novakovic 2019EPSC...13.1671N HCM
623 Chimaera 414 Chimaera -0.7900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4294 0.1455 0.2601 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.32 0.980 0.980 Masiero 2020PSJ.....1....5M NEATM
3.72 0.830 0.830 Masiero 2020PSJ.....1....5M NEATM
3.98 0.201 0.201 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0083 0.0083 Masiero 2011ApJ...741...68M NEATM
0.061 0.0370 0.0370 Masiero 2020PSJ.....1....5M NEATM
0.077 0.0750 0.0750 Masiero 2020PSJ.....1....5M 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
16.02 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.9267 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.10 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.1162 0.1010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT