Anna

00265, 1887 DA, 1887DA, 1933 QN, 1933QN, 1933 RC, 1933RC, I87D00A, J33Q00N, J33R00C

All data for this body: [vot]

MPC data
Name (number) Anna (265)
a 2.42080
e 0.26625
i / sin(i) 25.6395 / 0.43271
q 1.77627
Q 3.06533
ω 251.5030
Node 335.4890
m 202.8976
n 0.2617
Epoch 2460800.5
nobs 4877
nopp 35
Years observed 1899-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.421
ep 0.242
sin(ip) 0.456
G 0.150
H 11.870
Mass
D 23.91 0.311
pV 0.051 0.0064
Value
Rotational Period 11.680
Period quality 3
Spectral Class X
Spectral Class Score 15.120
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4208 0.2418 0.4558 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
21.39 6.050 6.050 Masiero 2021PSJ.....2..162M NEATM
21.52 6.284 6.284 Masiero 2017AJ....154..168M NEATM
22.77 0.380 0.380 Masiero 2012ApJ...759L...8M NEATM
22.99 4.930 4.930 Masiero 2021PSJ.....2..162M NEATM
23.66 3.000 3.000 Tedesco 2002AJ....123.1056T STM
23.81 2.380 2.380 Ali-Lagoa 2018A&A...612A..85A NEATM
26.48 5.300 5.300 Ali-Lagoa 2018A&A...612A..85A NEATM
26.54 0.580 0.580 Usui 2011PASJ...63.1117U NEATM
34.82 7.570 7.570 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.020 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.050 0.0190 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.051 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.057 0.0512 0.0512 Masiero 2017AJ....154..168M NEATM
0.058 0.0310 0.0660 Masiero 2021PSJ.....2..162M NEATM
0.063 0.0130 0.0130 Ali-Lagoa 2018A&A...612A..85A NEATM
0.104 0.0330 0.0330 Tedesco 2002AJ....123.1056T STM
0.113 0.0180 0.0180 Masiero 2012ApJ...759L...8M 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
11.87 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.681 3 Synodic Bembrick 2005MPBu...32...18B Lightcurve
11.6903 2 Sidereal Hanus 2013A&A...551A..67H Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C C 0.1894 0.1894 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
P C 0.890000 0.110000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Carvano 2001Icar..149..173C SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 0.06 Bus VIS Carvano 2010A&A...510A..43C PHOT