Farmer

06271, 1991 NF, 1991NF, 1993 DM2, 1993DM2, J91N00F, J93D02M

All data for this body: [vot]

MPC data
Name (number) Farmer (6271)
a 1.96811
e 0.05228
i / sin(i) 23.5579 / 0.39968
q 1.86522
Q 2.07101
ω 342.5811
Node 285.7864
m 113.8536
n 0.3570
Epoch 2460800.5
nobs 6221
nopp 23
Years observed 1989-2025
rms 0.45
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.968
ep 0.075
sin(ip) 0.443
G 0.150
H 13.840
Mass
D 6.02 0.022
pV 0.336 0.0222
Value
Rotational Period 250.000
Period quality 2
Spectral Class D
Spectral Class Score 18.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9683 0.0753 0.4426 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.98 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
5.14 0.940 0.940 Nugent 2016AJ....152...63N NEATM
5.57 0.038 0.038 Masiero 2011ApJ...741...68M NEATM
5.64 0.060 0.060 Masiero 2014ApJ...791..121M NEATM
6.56 0.032 0.032 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.250 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.260 0.0414 0.0414 Masiero 2011ApJ...741...68M NEATM
0.360 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.362 0.0420 0.0420 Masiero 2011ApJ...741...68M NEATM
0.480 0.0800 0.0800 Masiero 2014ApJ...791..121M 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
13.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
250.0 2 Synodic Warner LCDB Lightcurve
250.0 2 Synodic Warner LCDB Lightcurve
35.8 1 Synodic Warner 2006MPBu...33...35W Lightcurve
8.01 2- Synodic Warner 2009MPBu...36....7W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Bus-DeMeo NIR Lucas 2019Icar..322..227L SPEC
S 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Z 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC