Una

00160, 1876 DA, 1876DA, I76D00A

All data for this body: [vot]

MPC data
Name (number) Una (160)
a 2.72720
e 0.06577
i / sin(i) 3.8192 / 0.06661
q 2.54783
Q 2.90656
ω 50.0499
Node 8.5452
m 127.4995
n 0.2188
Epoch 2460800.5
nobs 5166
nopp 68
Years observed 1876-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.728
ep 0.059
sin(ip) 0.073
G 0.150
H 9.060
Mass 6.464e+17 2.116e+17
D 76.65 0.020
pV 0.097 0.0001
Value
Rotational Period 11.030
Period quality 3
Spectral Class Xk
Spectral Class Score 21.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7277 0.0589 0.0728 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.0455e+17 2.9927e+17 2.9927e+17 Fienga INPOP19a Ephem
6.8823e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
65.13 0.034 0.034 Ryan&Woodward 2010AJ....140..933R MSX-STM
69.93 20.110 20.110 Masiero 2020PSJ.....1....5M NEATM
77.56 28.330 28.330 Masiero 2021PSJ.....2..162M NEATM
77.72 1.230 1.230 Usui 2011PASJ...63.1117U NEATM
78.80 29.330 29.330 Nugent 2016AJ....152...63N NEATM
80.41 17.720 17.720 Masiero 2021PSJ.....2..162M NEATM
81.24 2.100 2.100 Tedesco 2002AJ....123.1056T STM
82.48 0.024 0.024 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
83.65 4.981 4.981 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
83.87 16.770 16.770 Ali-Lagoa 2018A&A...612A..85A NEATM
85.58 5.108 5.108 Ryan&Woodward 2010AJ....140..933R IRAS-STM
86.10 8.610 8.610 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.053 0.0190 0.0290 Masiero 2021PSJ.....2..162M NEATM
0.056 0.0056 0.0056 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.058 0.0300 0.0630 Masiero 2021PSJ.....2..162M NEATM
0.059 0.0073 0.0073 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.060 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.060 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.061 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.062 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.063 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.066 0.0500 0.0500 Masiero 2020PSJ.....1....5M NEATM
0.097 0.0001 0.0001 Ryan&Woodward 2010AJ....140..933R MSX-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
9.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.0317 3 Synodic Behrend LCDB Lightcurve
11.033 2 Sidereal Durech 2023A&A...675A..24D Model
11.033 3 Synodic Marciniak 2009A&A...498..313M Lightcurve
5.55 2 Synodic Harris 1999Icar..142..173H Lightcurve
5.61 3 Synodic Di Martino 1994Icar..107..269D 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 Bus 2002Icar..158..146B SPEC
P C 0.630000 0.370000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
P C 0.770000 0.220000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Xk Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC