Chaucer

02984, 1963 FB, 1963FB, 1965 UK1, 1965UK1, 1971 FZ, 1971FZ, 1971 JA, 1971JA, 1981 YD, 1981YD, J63F00B, J65U01K, J71F00Z, J71J00A, J81Y00D

All data for this body: [vot]

MPC data
Name (number) Chaucer (2984)
a 2.46978
e 0.13448
i / sin(i) 3.0543 / 0.05328
q 2.13765
Q 2.80191
ω 45.7133
Node 81.7795
m 29.5429
n 0.2539
Epoch 2460800.5
nobs 3907
nopp 31
Years observed 1953-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.472
ep 0.154
sin(ip) 0.036
G 0.150
H 13.350
Mass
D 15.22 0.032
pV 0.050 0.0045
Value
Rotational Period 9.023
Period quality 3
Spectral Class C
Spectral Class Score 5.064
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4723 0.1543 0.0356 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.62 2.420 2.420 Masiero 2021PSJ.....2..162M NEATM
11.08 3.450 3.450 Nugent 2016AJ....152...63N NEATM
11.46 2.748 2.748 Masiero 2017AJ....154..168M NEATM
13.06 3.440 3.440 Masiero 2020PSJ.....1....5M NEATM
14.23 2.850 2.850 Ali-Lagoa 2018A&A...612A..85A NEATM
14.49 0.075 0.075 Masiero 2011ApJ...741...68M NEATM
14.72 0.620 0.620 Usui 2011PASJ...63.1117U NEATM
15.38 0.039 0.039 Masiero 2011ApJ...741...68M NEATM
15.42 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
9.99 2.160 2.160 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0075 0.0075 Masiero 2011ApJ...741...68M NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.051 0.0084 0.0084 Masiero 2011ApJ...741...68M NEATM
0.053 0.0210 0.0210 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0340 0.0340 Masiero 2020PSJ.....1....5M NEATM
0.055 0.0200 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.075 0.0345 0.0345 Masiero 2017AJ....154..168M NEATM
0.077 0.0410 0.0410 Masiero 2020PSJ.....1....5M 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
13.35 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.016 3 Synodic Zeigler 2021MPBu...48..368Z Lightcurve
9.02308 2 Sidereal Durech 2020A&A...643A..59D Model
9.0231 2 Sidereal Durech 2023A&A...675A..24D Model
9.0232 3 Synodic Pravec LCDB Lightcurve
9.0234 3 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.844 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT