1999 JO26

1999JO26, 11221, 1976 JV1, 1976JV1, 1978 TW8, 1978TW8, 1982 KU, 1982KU, J76J01V, J78T08W, J82K00U, J99J26O

All data for this body: [vot]

MPC data
Name (number) 1999 JO26 (11221)
a 3.22173
e 0.11114
i / sin(i) 12.5378 / 0.21709
q 2.86367
Q 3.57979
ω 265.3748
Node 49.5335
m 99.8367
n 0.1704
Epoch 2460800.5
nobs 5510
nopp 26
Years observed 1976-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.207
ep 0.115
sin(ip) 0.206
G 0.150
H 12.070
Mass
D 21.65 0.209
pV 0.043 0.0045
Value
Rotational Period 15.790
Period quality 2
Spectral Class B
Spectral Class Score 0.912
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2073 0.1149 0.2060 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.20 1.800 1.800 Tedesco 2002AJ....123.1056T STM
21.06 4.210 4.210 Ali-Lagoa 2018A&A...612A..85A NEATM
21.64 0.220 0.220 Masiero 2011ApJ...741...68M NEATM
22.37 0.750 0.750 Usui 2011PASJ...63.1117U NEATM
24.39 4.880 4.880 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0049 0.0049 Masiero 2011ApJ...741...68M NEATM
0.052 0.0210 0.0210 Ali-Lagoa 2018A&A...612A..85A NEATM
0.069 0.0280 0.0280 Ali-Lagoa 2018A&A...612A..85A NEATM
0.070 0.0170 0.0170 Tedesco 2002AJ....123.1056T STM
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
12.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.798 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
15.8011 2 Synodic Pal 2020ApJS..247...26P Lightcurve
15.80193 2 Sidereal Durech 2019A&A...631A...2D Model
15.802 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.152 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT