1998 SA145

1998SA145, 2019 GR30, 2019GR30, 40226, J98SE5A, K19G30R

All data for this body: [vot]

MPC data
Name (number) 1998 SA145 (40226)
a 3.17744
e 0.21715
i / sin(i) 15.1504 / 0.26135
q 2.48746
Q 3.86742
ω 321.5202
Node 21.2247
m 283.4824
n 0.1740
Epoch 2460800.5
nobs 2220
nopp 22
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Meliboea (137)
 
ap 3.181
ep 0.196
sin(ip) 0.252
G 0.150
H 13.670
Mass
D 10.61 1.915
pV 0.054 0.0254
Value
Rotational Period 12.140
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
137 Meliboea 604 Meliboea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1811 0.1955 0.2520 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.03 2.740 2.740 Masiero 2021PSJ.....2..162M NEATM
10.99 3.770 3.770 Nugent 2016AJ....152...63N NEATM
11.35 3.800 3.800 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0280 0.0670 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.061 0.0270 0.0480 Masiero 2021PSJ.....2..162M 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
13.67 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.148 2 Sidereal Durech 2023A&A...675A..24D Model