Johnmckay

08026, 1989 UF2, 1989UF2, 1991 JA1, 1991JA1, J89U02F, J91J01A

All data for this body: [vot]

MPC data
Name (number) Johnmckay (8026)
a 1.92500
e 0.07521
i / sin(i) 19.9338 / 0.34093
q 1.78022
Q 2.06978
ω 145.8594
Node 217.6592
m 134.4108
n 0.3690
Epoch 2460800.5
nobs 2856
nopp 21
Years observed 1989-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Hungaria (434)
 
ap 1.925
ep 0.062
sin(ip) 0.350
G 0.150
H 14.950
Mass
D 1.69 0.239
pV 0.815 0.1957
Value
Rotational Period 372.000
Period quality 3
Spectral Class Xn
Spectral Class Score 18.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
434 Hungaria 0 Hungaria Novakovic 2019EPSC...13.1671N HCM
434 Hungaria 3 Hungaria -0.7300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9251 0.0622 0.3499 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.69 0.239 0.239 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.815 0.1957 0.1957 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
14.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
355.0 2 Synodic Warner 2015MPBu...42..267W Lightcurve
372.0 3 Synodic Warner 2011MPBu...38...33W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
E 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Xn L Bus-DeMeo NIR Lucas 2019Icar..322..227L SPEC