1999 RS18

1999RS18, 70197, J99R18S

All data for this body: [vot]

MPC data
Name (number) 1999 RS18 (70197)
a 2.42894
e 0.21323
i / sin(i) 15.7938 / 0.27218
q 1.91101
Q 2.94687
ω 172.7504
Node 174.4208
m 124.0226
n 0.2604
Epoch 2460200.5
nobs 1809
nopp 17
Years observed 1999-2023
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Chimaera (623)
 
ap 2.429
ep 0.145
sin(ip) 0.260
Value Standard error
G 0.150
H 16.030
Mass
D 3.94 0.192
pV 0.050 0.0081
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
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-Oct-2022
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
16.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.93 Pal 2020ApJS..247...26P Lightcurve