Bretagnon

03937, 1932 EO, 1932EO, 1972 RP, 1972RP, 1975 EJ1, 1975EJ1, 1978 TR5, 1978TR5, 1978 WL, 1978WL, J32E00O, J72R00P, J75E01J, J78T05R, J78W00L

All data for this body: [vot]

MPC data
Name (number) Bretagnon (3937)
a 3.06701
e 0.02713
i / sin(i) 8.8512 / 0.15387
q 2.98379
Q 3.15024
ω 118.0392
Node 357.3733
m 167.9163
n 0.1835
Epoch 2460800.5
nobs 10292
nopp 30
Years observed 1932-2025
rms 0.43
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.066
ep 0.049
sin(ip) 0.159
G 0.150
H 12.060
Mass
D 16.33 0.110
pV 0.155 0.0154
Value
Rotational Period 9.966
Period quality 2
Spectral Class X
Spectral Class Score 3.552
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos 1.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0661 0.0491 0.1587 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.87 0.200 0.200 Masiero 2014ApJ...791..121M NEATM
16.50 0.136 0.136 Masiero 2011ApJ...741...68M NEATM
16.72 0.630 0.630 Masiero 2012ApJ...759L...8M NEATM
18.02 1.220 1.220 Usui 2011PASJ...63.1117U NEATM
18.62 3.720 3.720 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.116 0.0460 0.0460 Ali-Lagoa 2018A&A...612A..85A NEATM
0.145 0.0240 0.0240 Masiero 2012ApJ...759L...8M NEATM
0.164 0.0336 0.0336 Masiero 2011ApJ...741...68M NEATM
0.180 0.0300 0.0300 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
12.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.96595 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.592 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT