Tirza

00267, 1887 KB, 1887KB, 1922 AA, 1922AA, 1965 GC, 1965GC, I87K00B, J22A00A, J65G00C

All data for this body: [vot]

MPC data
Name (number) Tirza (267)
a 2.77244
e 0.10247
i / sin(i) 6.0099 / 0.10470
q 2.48834
Q 3.05654
ω 196.7020
Node 73.5879
m 289.9355
n 0.2135
Epoch 2460800.5
nobs 6100
nopp 47
Years observed 1907-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.774
ep 0.111
sin(ip) 0.085
G 0.150
H 10.230
Mass
D 51.64 0.301
pV 0.054 0.0012
Value
Rotational Period 7.640
Period quality 3
Spectral Class D
Spectral Class Score 74.650
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7741 0.1114 0.0846 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
43.43 0.519 0.519 Ryan&Woodward 2010AJ....140..933R MSX-STM
46.39 2.701 2.701 Ryan&Woodward 2010AJ....140..933R IRAS-STM
48.10 4.810 4.810 Ali-Lagoa 2018A&A...612A..85A NEATM
52.68 3.100 3.100 Tedesco 2002AJ....123.1056T STM
53.78 12.160 12.160 Masiero 2020PSJ.....1....5M NEATM
55.06 14.388 14.388 Masiero 2017AJ....154..168M NEATM
55.15 5.520 5.520 Ali-Lagoa 2018A&A...612A..85A NEATM
55.81 5.580 5.580 Ali-Lagoa 2018A&A...612A..85A NEATM
55.83 1.209 1.209 Masiero 2011ApJ...741...68M NEATM
55.85 0.620 0.620 Usui 2011PASJ...63.1117U NEATM
56.00 0.640 0.640 Masiero 2012ApJ...759L...8M NEATM
56.40 0.920 0.920 Masiero 2014ApJ...791..121M NEATM
59.01 3.666 3.666 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
59.37 12.290 12.290 Nugent 2016AJ....152...63N NEATM
66.68 8.886 8.886 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.026 0.0068 0.0068 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.033 0.0044 0.0044 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.036 0.0067 0.0067 Masiero 2011ApJ...741...68M NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.040 0.0050 0.0050 Tedesco 2002AJ....123.1056T STM
0.050 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.051 0.0080 0.0080 Masiero 2012ApJ...759L...8M NEATM
0.052 0.0062 0.0062 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.053 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.059 0.0014 0.0014 Ryan&Woodward 2010AJ....140..933R MSX-STM
0.071 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.071 0.0332 0.0332 Masiero 2017AJ....154..168M NEATM
0.075 0.0380 0.0380 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
10.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.9 2 Synodic Lagerkvist 1978A&AS...31..361L Lightcurve
7.648 3 Synodic Behrend LCDB Lightcurve
7.6529 2 Sidereal Durech 2020A&A...643A..59D Model
7.6529 2 Sidereal Durech 2023A&A...675A..24D Model
7.658 2+ Synodic Behrend LCDB Lightcurve
7.662 2 Synodic Fornas LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Bus-DeMeo NIR Gartrelle 2021Icar..35414043G SPEC
D Bus-DeMeo VISNIR Gartrelle 2021Icar..36114349G PHOT
D Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
D Bus VIS Bus 2002Icar..158..146B SPEC
D Bus VIS Bus 2002Icar..158..146B SPEC
D Howell VISNIR Howell 1994JGR....9910847H PHOT
D 0.970000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
D 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC