Yanfernandez

12225, 1978 JM1, 1978JM1, 1985 PQ, 1985PQ, 1991 ED1, 1991ED1, J78J01M, J85P00Q, J91E01D

All data for this body: [vot]

MPC data
Name (number) Yanfernandez (12225)
a 2.21265
e 0.19455
i / sin(i) 4.7678 / 0.08312
q 1.78217
Q 2.64312
ω 116.0907
Node 153.6542
m 63.7747
n 0.2995
Epoch 2460800.5
nobs 3492
nopp 25
Years observed 1978-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.213
ep 0.172
sin(ip) 0.088
G 0.150
H 14.290
Mass
D 4.08 0.187
pV 0.222 0.0412
Value
Rotational Period 33.000
Period quality 2-
Spectral Class S
Spectral Class Score 28.738
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2127 0.1723 0.0876 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.08 0.187 0.187 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.222 0.0412 0.0412 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
14.29 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
33.7 2- Synodic Skiff 2023MPBu...50...74S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.207 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.88 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.6942 0.8270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7299 0.8270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7448 0.8270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9944 0.8270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9997 0.8270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT