Olmstead

03287, 1981 DK1, 1981DK1, J81D01K

All data for this body: [vot]

MPC data
Name (number) Olmstead (3287)
a 2.36549
e 0.30055
i / sin(i) 12.0824 / 0.20932
q 1.65455
Q 3.07643
ω 95.6117
Node 213.2337
m 309.1794
n 0.2709
Epoch 2460800.5
nobs 4789
nopp 25
Years observed 1981-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.366
ep 0.204
sin(ip) 0.234
G 0.150
H 14.340
Mass
D 6.70 0.697
pV 0.082 0.0166
Value
Rotational Period 4.960
Period quality 3-
Spectral Class L
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3661 0.2040 0.2343 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.10 0.900 0.900 Ali-Lagoa 2017A&A...603A..55A NEATM
7.60 1.100 1.100 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0200 0.0200 Ali-Lagoa 2017A&A...603A..55A NEATM
0.110 0.0300 0.0300 Ali-Lagoa 2017A&A...603A..55A 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
14.34 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.8 3- Synodic Wisniewski 1997Icar..126..395W Lightcurve
4.954 3- Synodic Benishek 2019MPBu...46...87B Lightcurve
4.95618 2 Sidereal Durech 2023A&A...675A..24D Model
4.963 3- Synodic Warner 2018MPBu...45..380W Lightcurve
4.963 3 Synodic Stephens 2023MPBu...50..157S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L Bus VIS Binzel 2019Icar..324...41B SPEC
L Bus VIS Bus 2002Icar..158..146B SPEC
S 0.830000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 0.125 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT