1999 SR18

1999SR18, 1972 LA1, 1972LA1, 42923, J72L01A, J99S18R

All data for this body: [vot]

MPC data
Name (number) 1999 SR18 (42923)
a 2.22669
e 0.18586
i / sin(i) 6.8114 / 0.11860
q 1.81284
Q 2.64053
ω 168.7065
Node 117.5659
m 132.0703
n 0.2966
Epoch 2460200.5
nobs 2916
nopp 21
Years observed 1972-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.227
ep 0.150
sin(ip) 0.105
Value Standard error
G 0.150
H 14.090
Mass
D 3.79 0.850
pV 0.260 0.1500
Rotational Period 8.392
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.2200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2265 0.1498 0.1051 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.79 0.850 0.850 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.260 0.1500 0.1500 Nugent 2016AJ....152...63N 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
14.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.14 Erasmus 2020ApJS..247...13E Lightcurve
8.39 Hanus 2016A&A...586A.108H Model
8.39 Clark 2007MPBu...34...19C Lightcurve