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773 Irmintraud (A913 YF)
Classification: Main-belt Asteroid          SPK-ID: 2000773
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07874931089144287 3.7168e-08  
a 2.858010777810652 1.1156e-08 au
q 2.632944398537747 1.0767e-07 au
i 16.66643608544755 4.7499e-06 deg
node 322.3138452048166 1.4412e-05 deg
peri 332.270071523373 3.3487e-05 deg
M 63.80491807452756 3.044e-05 deg
tp 2458287.715030926550
(2018-Jun-18.21503093)
0.00014902 TDB
period 1764.794819341609
4.83
1.0333e-05
2.829e-08
d
yr
n .2039897194022277 1.1944e-09 deg/d
Q 3.083077157083557 1.2035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2605  
   data-arc span      38664 days (105.86 yr)  
   first obs. used      1913-12-22  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:57:17  

Additional Information
 Earth MOID = 1.62637 au 
 Jupiter MOID = 2.22395 au 
 T_jup = 3.236 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.1   n/a MPO394996  
diameter diameter 91.672 km 0.900 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.7514 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Holliday, B. (2001) Minor Planet Bull. 28, 43-44.]
[Kanno, A.; Hiroi, T.; Nakamura, R.; Abe, M.; et al. (2003) Geophys Research Letters 30, PLA 2-1.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2006) Minor Planet Bull. 33, 58-62.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.048   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.706   0.015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=8.69, mean=10.31, max.=11.93) deg.
U-B UB 0.284   0.049 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=8.69, mean=10.31, max.=11.93) deg.
Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B T   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

773 Irmintraud (A913 YF)          Discovered 1913-Dec-22 by Kaiser, F. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A913 YF = 1946 SO = A910 CG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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