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 2.19985
e 0.22611
i / sin(i) 4.1428 / 0.07224
q 1.70243
Q 2.69726
ω 100.3050
Node 237.5009
m 37.1071
n 0.3021
Epoch 2460800.5
nobs 3209
nopp 24
Years observed 1981-2024
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.200
ep 0.157
sin(ip) 0.089
G 0.150
H 14.580
Mass
D 3.33 1.019
pV 0.332 0.1158
Value
Rotational Period 34.190
Period quality 2-
Spectral Class S
Spectral Class Score 5.988
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 0 Flora Novakovic 2019EPSC...13.1671N HCM
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-Nov-2024
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
14.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
34.191 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT