Ruby

02474, 1926 NA, 1926NA, 1948 NC, 1948NC, 1948 PS, 1948PS, 1952 HL, 1952HL, 1962 SK, 1962SK, 1978 EE7, 1978EE7, 1979 PB, 1979PB, J26N00A, J48N00C, J48P00S, J52H00L, J62S00K, J78E07E, J79P00B

All data for this body: [vot]

MPC data
Name (number) Ruby (2474)
a 2.68919
e 0.21816
i / sin(i) 7.5184 / 0.13085
q 2.10252
Q 3.27587
ω 14.8744
Node 237.7663
m 188.6924
n 0.2235
Epoch 2460800.5
nobs 8316
nopp 36
Years observed 1926-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.686
ep 0.245
sin(ip) 0.139
G 0.150
H 11.930
Mass
D 23.36 0.112
pV 0.049 0.0027
Value
Rotational Period 7.400
Period quality 3
Spectral Class C
Spectral Class Score 3.600
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6862 0.2454 0.1389 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.94 3.890 3.890 Masiero 2020PSJ.....1....5M NEATM
15.97 4.210 4.210 Masiero 2020PSJ.....1....5M NEATM
17.79 3.000 3.000 Tedesco 2002AJ....123.1056T STM
18.35 1.287 1.287 Ryan&Woodward 2010AJ....140..933R IRAS-STM
18.36 0.370 0.370 Masiero 2012ApJ...759L...8M NEATM
19.10 0.800 0.800 Usui 2011PASJ...63.1117U NEATM
19.38 3.880 3.880 Ali-Lagoa 2018A&A...612A..85A NEATM
23.90 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
24.91 0.317 0.317 Masiero 2011ApJ...741...68M NEATM
28.54 2.084 2.084 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.042 0.0059 0.0059 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.042 0.0034 0.0034 Masiero 2011ApJ...741...68M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.099 0.0400 0.0400 Ali-Lagoa 2018A&A...612A..85A NEATM
0.104 0.0162 0.0162 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.106 0.0470 0.0470 Tedesco 2002AJ....123.1056T STM
0.120 0.0130 0.0130 Masiero 2012ApJ...759L...8M NEATM
0.134 0.0800 0.0800 Masiero 2020PSJ.....1....5M NEATM
0.206 0.1560 0.1560 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
11.93 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.894 2 Synodic Pray 2008MPBu...35...34P Lightcurve
7.412 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
7.41457 2 Sidereal Durech 2020A&A...643A..59D Model
7.42 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
B 0.193 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.80 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.0455 0.0580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3154 0.0580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT