Iris

00007, 1847 PA, 1847PA, I47P00A

All data for this body: [vot]

MPC data
Name (number) Iris (7)
a 2.38632
e 0.22998
i / sin(i) 5.5196 / 0.09619
q 1.83752
Q 2.93512
ω 145.5292
Node 259.4984
m 8.2353
n 0.2674
Epoch 2460800.5
nobs 5368
nopp 91
Years observed 1848-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.386
ep 0.213
sin(ip) 0.112
G 0.150
H 5.670
Mass 1.221e+19 1.238e+17
D 228.33 2.143
pV 0.234 0.0143
Value
Rotational Period 7.130
Period quality 3
Spectral Class S
Spectral Class Score 42.900
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3857 0.2126 0.1116 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.0300e+19 1.5900e+18 1.5900e+18 Pitjeva 2004cosp...35.2014P Deflec
1.1000e+19 2.6300e+18 2.6300e+18 Konopliv 2011Icar..211..401K Ephem
1.1300e+19 7.9600e+17 7.9600e+17 Fienga 2011CeMDA.111..363F Ephem
1.1500e+19 1.9900e+17 1.9900e+17 Fienga 2008A&A...477..315F Ephem
1.1625e+19 9.6662e+17 9.6662e+17 Fienga inpop13c Ephem
1.1600e+19 9.6600e+17 9.6600e+17 Fienga 2014arXiv1405.0484F Ephem
1.1900e+19 1.9900e+18 1.9900e+18 Krasinsky Krasinsky Deflec
1.1900e+19 Folkner 2009IPNPR.178C...1F Ephem
1.2531e+19 2.0680e+18 2.0680e+18 Fienga 2013arXiv1301.1510F Ephem
1.2500e+19 1.9900e+17 1.9900e+17 Pitjeva 2005SoSyR..39..176P Deflec
1.3500e+19 3.8300e+18 3.8300e+18 Baer 2008CeMDA.100...27B Deflec
1.3600e+19 9.9400e+17 9.9400e+17 Baer 2008DPS....40.5209B Deflec
1.4400e+19 Folkner 2014IPNPR.196C...1F Ephem
1.6200e+19 9.1500e+17 9.1500e+17 Baer 2011AJ....141..143B Deflec
1.6800e+19 1.5900e+18 1.5900e+18 Zielenbach 2011AJ....142..120Z Deflec
1.7200e+19 1.6000e+18 1.6000e+18 Zielenbach 2011AJ....142..120Z Deflec
1.7500e+19 1.8800e+18 1.8800e+18 Zielenbach 2011AJ....142..120Z Deflec
1.7900e+19 1.9900e+18 1.9900e+18 Aslan 2007ASPC..370...52A Ephem
1.0080e+19 5.5800e+17 5.5800e+17 Fienga 2017NSTIM.108.....V Ephem
1.2943e+19 6.3200e+17 6.3200e+17 Fienga 2020MNRAS.492..589F Ephem
2.3300e+19 3.1200e+18 3.1200e+18 Zielenbach 2011AJ....142..120Z Deflec
2.8000e+19 2.7800e+18 2.7800e+18 Chernetenko 2002ESASP.500..437C Deflec
2.8000e+19 2.7800e+18 2.7800e+18 Kochetova 2004SoSyR..38...66K Deflec
3.9800e+19 1.7900e+19 1.7900e+19 Vasiliev Vasiliev Deflec
4.7700e+19 5.9700e+18 5.9700e+18 Ivantsov 2008P&SS...56.1857I Deflec
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
190.46 11.448 11.448 Ryan&Woodward 2010AJ....140..933R IRAS-STM
198.00 17.000 19.000 Dudzinski 2020MNRAS.499.4545D AO
198.00 27.000 27.000 Durech 2011Icar..214..652D OCCULT
199.00 8.000 10.000 Dudzinski 2020MNRAS.499.4545D AO
199.00 9.000 12.000 Dudzinski 2020MNRAS.499.4545D AO
199.00 26.000 26.000 Durech 2011Icar..214..652D OCCULT
199.83 10.000 10.000 Tedesco 2002AJ....123.1056T STM
200.00 18.000 10.000 Dudzinski 2020MNRAS.499.4545D AO
201.43 40.290 40.290 Ali-Lagoa 2018A&A...612A..85A NEATM
202.00 25.000 25.000 Hanus 2013Icar..226.1045H AO/LC
203.00 24.000 24.000 Hanus 2013Icar..226.1045H AO/LC
214.00 5.000 5.000 Hanus 2019A&A...624A.121H AO
216.00 7.000 7.000 Viikinkoski 2017A&A...607A.117 AO/LC
226.37 10.943 10.943 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
254.20 3.270 3.270 Usui 2011PASJ...63.1117U NEATM
262.69 26.270 26.270 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.159 0.0320 0.0320 Ali-Lagoa 2018A&A...612A..85A NEATM
0.218 0.0221 0.0221 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.270 0.1080 0.1080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.277 0.0300 0.0300 Tedesco 2002AJ....123.1056T STM
0.320 0.0387 0.0387 Ryan&Woodward 2010AJ....140..933R IRAS-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
5.67 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.08 3 Synodic Groeneveld 1954ApJ...120..200G Lightcurve
7.122847 2 Sidereal Cailliate LCDB Model
7.131 Synodic Zhou 1982AcASn..23..349Z Lightcurve
7.135 Synodic Taylor 1977AJ.....82..441T Lightcurve
7.135 3 Synodic Chang LCDB Lightcurve
7.135 3 Synodic Van Houten Groeneveld 1958ApJ...127..253V Lightcurve
7.13757 2 Synodic Pal 2020ApJS..247...26P Lightcurve
7.138 Synodic Lagerkvist 1989A&AS...78..519L Lightcurve
7.1385 3 Synodic Ferrais 2022MPBu...49..307F Lightcurve
7.1388 2 Sidereal Ostro 2010Icar..207..285O Model
7.13884 2 Sidereal Durech 2011Icar..214..652D Model
7.138841 2 Sidereal Kaasalainen 2002Icar..159..369K Model
7.138843 2 Sidereal Dudzinski 2020MNRAS.499.4545D Model
7.138843 2 Sidereal Hanus 2013Icar..226.1045H Model
7.138843 2 Sidereal Hanus 2016A&A...586A.108H Model
7.138843 2 Sidereal Vernazza 2021A&A...654A..56V Model
7.138843 2 Sidereal Viikinkoski 2017A&A...607A.117V Model
7.138843 2 Sidereal Hanus 2019A&A...624A.121H Model
7.138847 2 Sidereal De Angelis 1995P&SS...43..649D Model
7.138847 2 Sidereal Magnusson 1986Icar...68....1M Model
7.217 2+ Synodic Behrend LCDB Lightcurve
7.27 1+ Synodic Behrend LCDB Lightcurve
7.27 2- Synodic Behrend LCDB Lightcurve
7.27 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
S Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S Howell VISNIR Howell 1994JGR....9910847H PHOT
S Tholen VIS Clark 1995Icar..113..387C PHOT
S 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC