Ortner

11681, 1943 GD, 1943GD, 1980 UP1, 1980UP1, 1985 DW3, 1985DW3, 1986 RY8, 1986RY8, 1998 EP6, 1998EP6, J43G00D, J80U01P, J85D03W, J86R08Y, J98E06P

All data for this body: [vot]

MPC data
Name (number) Ortner (11681)
a 2.18877
e 0.10312
i / sin(i) 2.0135 / 0.03513
q 1.96307
Q 2.41446
ω 216.4914
Node 324.6171
m 128.5742
n 0.3044
Epoch 2460800.5
nobs 3876
nopp 25
Years observed 1943-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.189
ep 0.157
sin(ip) 0.035
G 0.150
H 14.000
Mass
D 3.91 0.190
pV 0.349 0.0290
Value
Rotational Period 5.000
Period quality 2
Spectral Class L
Spectral Class Score 4.896
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1889 0.1568 0.0345 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.91 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.349 0.0290 0.0290 Masiero 2012ApJ...759L...8M 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
4.998 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.0 2 Synodic Chang 2015ApJS..219...27C Lightcurve
5.00922 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
L 0.816 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT