Altona

00850, 1916 FG, 1916FG, 1923 RP, 1923RP, J16F00G, J23R00P

All data for this body: [vot]

MPC data
Name (number) Altona (850)
a 2.99634
e 0.13002
i / sin(i) 15.5296 / 0.26774
q 2.60676
Q 3.38591
ω 134.5049
Node 120.9362
m 300.8012
n 0.1900
Epoch 2460800.5
nobs 6615
nopp 46
Years observed 1917-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.999
ep 0.143
sin(ip) 0.252
G 0.150
H 9.690
Mass
D 66.19 0.438
pV 0.044 0.0014
Value
Rotational Period 11.191
Period quality 3
Spectral Class C
Spectral Class Score 11.139
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
850 Altona -1 Altona -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9986 0.1427 0.2520 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
59.95 0.585 0.585 Masiero 2011ApJ...741...68M NEATM
62.61 17.310 17.310 Nugent 2016AJ....152...63N NEATM
63.25 16.390 16.390 Nugent 2016AJ....152...63N NEATM
69.47 2.170 2.170 Masiero 2012ApJ...759L...8M NEATM
70.19 2.306 2.306 Ryan&Woodward 2010AJ....140..933R IRAS-STM
73.16 0.880 0.880 Usui 2011PASJ...63.1117U NEATM
74.79 7.480 7.480 Ali-Lagoa 2018A&A...612A..85A NEATM
77.00 7.700 7.700 Ali-Lagoa 2018A&A...612A..85A NEATM
77.10 2.260 2.260 Masiero 2014ApJ...791..121M NEATM
80.90 1.800 1.800 Tedesco 2002AJ....123.1056T STM
81.52 19.168 19.168 Masiero 2017AJ....154..168M NEATM
81.60 4.481 4.481 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0040 0.0040 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.039 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.040 0.0211 0.0211 Masiero 2017AJ....154..168M NEATM
0.043 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.052 0.0034 0.0034 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.053 0.0180 0.0180 Masiero 2012ApJ...759L...8M NEATM
0.060 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.071 0.0051 0.0051 Masiero 2011ApJ...741...68M 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
9.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.131 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
11.16 2 Synodic Chang 2015ApJS..219...27C Lightcurve
11.1913 3 Synodic Warner 2018MPBu...45...39W Lightcurve
11.195 2+ Synodic Alkema 2013MPBu...40..133A Lightcurve
11.197 2 Synodic Pilcher 2011MPBu...38...15P Lightcurve
11.9 2 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 Bus VIS Luo 2024AJ....167...13L SPEC
C 0.704 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.3192 0.3190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Z S 0.870000 0.100000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC