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1160 Illyria (1929 RL)
Classification: Main-belt Asteroid          SPK-ID: 2001160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172137677214009 1.2093e-08  
a 2.561315379591506 7.091e-09 au
q 2.261093953626815 3.0684e-08 au
i 14.94532737199731 7.8267e-07 deg
node 3.70707073549785 1.3507e-06 deg
peri 5.427271222635938 6.3234e-06 deg
M 94.1788079252655 5.1739e-06 deg
tp 2458808.808902350084
(2019-Nov-21.30890235)
2.114e-05 TDB
period 1497.245487178663
4.10
6.2177e-06
1.702e-08
d
yr
n .2404415328566905 9.9849e-10 deg/d
Q 2.861536805556196 7.9221e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3063  
   data-arc span      33425 days (91.51 yr)  
   first obs. used      1929-09-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:04:42  

Additional Information
 Earth MOID = 1.25872 au 
 Jupiter MOID = 2.60012 au 
 T_jup = 3.378 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.58   n/a E2021B10  
diameter diameter 13.977 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.1025 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Bennefeld, C.; Bass, S.; Blair, R.; Cunningham, K.; et al. (2009) Minor Planet Bull. 36, 147-148.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
[Groezinger, S.; Montgomery, K. (2020) Minor Planet Bull. 47, 174-176.]
geometric albedo albedo 0.249   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1160 Illyria (1929 RL)          Discovered 1929-Sep-09 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 RL = 1962 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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