Lofgren

07157, 1981 EC8, 1981EC8, 1989 YQ8, 1989YQ8, 1992 WO2, 1992WO2, J81E08C, J89Y08Q, J92W02O

All data for this body: [vot]

MPC data
Name (number) Lofgren (7157)
a 2.20010
e 0.22641
i / sin(i) 4.1424 / 0.07224
q 1.70197
Q 2.69822
ω 100.2783
Node 237.5046
m 215.9278
n 0.3020
Epoch 2460200.5
nobs 2869
nopp 23
Years observed 1981-2023
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.200
ep 0.157
sin(ip) 0.089
Value Standard error
G 0.150
H 14.610
Mass
D 3.33 1.019
pV 0.332 0.1158
Rotational Period 34.191
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
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
2.2000 0.1573 0.0892 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.33 1.019 1.019 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.332 0.1158 0.1158 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
14.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
34.19 Erasmus 2020ApJS..247...13E Lightcurve