Undina

00092, 1867 NA, 1867NA, I67N00A

All data for this body: [vot]

MPC data
Name (number) Undina (92)
a 3.18489
e 0.10499
i / sin(i) 9.9233 / 0.17233
q 2.85051
Q 3.51927
ω 236.7697
Node 101.3936
m 203.3911
n 0.1734
Epoch 2460800.5
nobs 3584
nopp 83
Years observed 1871-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.195
ep 0.072
sin(ip) 0.152
G 0.150
H 6.710
Mass 3.480e+18 1.209e+18
D 122.21 1.237
pV 0.254 0.0077
Value
Rotational Period 15.940
Period quality 3
Spectral Class Xk
Spectral Class Score 42.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1945 0.0721 0.1517 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.7100e+18 Folkner 2014IPNPR.196C...1F Ephem
3.2100e+18 1.5530e+18 1.5530e+18 Fienga 2020MNRAS.492..589F Ephem
4.1900e+18 4.3900e+18 4.3900e+18 Zielenbach 2011AJ....142..120Z Deflec
4.3100e+18 3.9100e+18 3.9100e+18 Zielenbach 2011AJ....142..120Z Deflec
4.7700e+18 3.8700e+18 3.8700e+18 Zielenbach 2011AJ....142..120Z Deflec
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
108.47 4.790 4.790 Masiero 2012ApJ...759L...8M NEATM
120.93 1.700 1.700 Usui 2011PASJ...63.1117U NEATM
124.95 12.500 12.500 Ali-Lagoa 2018A&A...612A..85A NEATM
125.07 12.510 12.510 Ali-Lagoa 2018A&A...612A..85A NEATM
125.18 2.619 2.619 Ryan&Woodward 2010AJ....140..933R IRAS-STM
126.42 3.400 3.400 Tedesco 2002AJ....123.1056T STM
133.66 7.394 7.394 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.225 0.0258 0.0258 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.245 0.0490 0.0490 Ali-Lagoa 2018A&A...612A..85A NEATM
0.245 0.0490 0.0490 Ali-Lagoa 2018A&A...612A..85A NEATM
0.251 0.0140 0.0140 Tedesco 2002AJ....123.1056T STM
0.256 0.0107 0.0107 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.341 0.0450 0.0450 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
6.71 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.89 3 Synodic Warner 2012MPBu...39...69W Lightcurve
15.933 3- Synodic Warner 2014MPBu...41..230W Lightcurve
15.93612 2 Sidereal Warner LCDB Model
15.94 3 Synodic Schober 1979A&AS...36....1S Lightcurve
15.941 2+ Synodic Warner 2007MPBu...34...72W Lightcurve
15.98 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
M Fornasier VIS Fornasier 2011Icar..214..131F SPEC
M Howell VISNIR Howell 1994JGR....9910847H PHOT
M K 0.720000 0.160000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X X 0.0526 None Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xc Bus VIS Bus 2002Icar..158..146B SPEC
Xc Bus VIS Fornasier 2011Icar..214..131F SPEC
Xk Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
Xk Bus-DeMeo VISNIR Fornasier 2011Icar..214..131F SPEC