James Bradley

JamesBradley, 02634, 1905 CC, 1905CC, 1931 FL, 1931FL, 1961 XH, 1961XH, 1963 FC, 1963FC, 1975 AO, 1975AO, 1976 GB1, 1976GB1, 1977 KP, 1977KP, 1982 DL, 1982DL, J05C00C, J31F00L, J61X00H, J63F00C, J75A00O, J76G01B, J77K00P, J82D00L

All data for this body: [vot]

MPC data
Name (number) James Bradley (2634)
a 3.45464
e 0.05003
i / sin(i) 6.4232 / 0.11187
q 3.28180
Q 3.62748
ω 332.0996
Node 133.3331
m 292.4725
n 0.1535
Epoch 2460800.5
nobs 5082
nopp 43
Years observed 1905-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.454
ep 0.077
sin(ip) 0.094
G 0.150
H 10.620
Mass
D 34.45 0.305
pV 0.107 0.0029
Value
Rotational Period 16.280
Period quality 2
Spectral Class X
Spectral Class Score 18.059
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.4539 0.0770 0.0943 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
33.73 0.490 0.490 Masiero 2014ApJ...791..121M NEATM
33.91 0.477 0.477 Masiero 2011ApJ...741...68M NEATM
35.22 7.040 7.040 Ali-Lagoa 2018A&A...612A..85A NEATM
35.91 0.850 0.850 Usui 2011PASJ...63.1117U NEATM
35.91 2.482 2.482 Ryan&Woodward 2010AJ....140..933R IRAS-STM
37.15 3.710 3.710 Ali-Lagoa 2018A&A...612A..85A NEATM
39.36 1.494 1.494 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
39.91 2.700 2.700 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.084 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.092 0.0140 0.0140 Tedesco 2002AJ....123.1056T STM
0.093 0.0370 0.0370 Ali-Lagoa 2018A&A...612A..85A NEATM
0.095 0.0073 0.0073 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.107 0.0056 0.0056 Masiero 2011ApJ...741...68M NEATM
0.110 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.114 0.0045 0.0045 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
10.62 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.284 2 Synodic Ferrero 2020MPBu...47..147F Lightcurve
16.514 2 Sidereal Durech 2018A&A...620A..91D Model
16.51457 2 Sidereal Durech 2019A&A...631A...2D Model
16.515 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
X X 0.4372 0.1950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
G Tholen VIS Lagerkvist 2005A&A...432..349L SPEC
P 0.850000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 0.346 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.68 Bus VIS Carvano 2010A&A...510A..43C PHOT