Johnrather

07290, 1991 JY1, 1991JY1, J91J01Y

All data for this body: [vot]

MPC data
Name (number) Johnrather (7290)
a 2.55641
e 0.22895
i / sin(i) 24.7445 / 0.41857
q 1.97111
Q 3.14171
ω 117.1343
Node 212.7749
m 52.9581
n 0.2411
Epoch 2460800.5
nobs 3107
nopp 25
Years observed 1954-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.556
ep 0.185
sin(ip) 0.438
G 0.150
H 14.000
Mass
D 7.11 0.100
pV 0.116 0.0320
Value
Rotational Period 91.224
Period quality 2
Spectral Class D
Spectral Class Score 4.337
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5557 0.1855 0.4379 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.11 0.100 0.100 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.116 0.0320 0.0320 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
14.00 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
91.2242 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C D 0.3337 0.4640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.7228 0.4640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT