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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170990261044499 5.0428e-08  
a 2.560879160819299 8.6295e-09 au
q 2.261002705116178 1.3215e-07 au
i 14.94544200716734 5.0235e-06 deg
node 3.713813452100377 1.1579e-05 deg
peri 5.358716435347445 1.9467e-05 deg
M 46.1561627284332 1.4299e-05 deg
tp 2458808.584853864235
(2019-Nov-21.08485386)
5.9324e-05 TDB
period 1496.863008638172
4.10
7.5661e-06
2.071e-08
d
yr
n .2405029704939557 1.2157e-09 deg/d
Q 2.860755616522419 9.64e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2465  
   data-arc span      32992 days (90.33 yr)  
   first obs. used      1929-09-09  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:53:10  

Additional Information
 Earth MOID = 1.26015 au 
 Jupiter MOID = 2.59985 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456760.5 (2014-Apr-13.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186725744826024 5.0776e-08  
q 2.256339970173267 1.3335e-07 au
tp 2457309.276051351294
(2015-Oct-13.77605135)
5.7137e-05 TDB
node 3.800149315666494 1.1558e-05 deg
peri 4.77780865436294 1.9173e-05 deg
i 14.96504361811673 5.0281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2465  
   data-arc span      32992 days (90.33 yr)  
   first obs. used      1929-09-09  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:53:10  

Additional Information
 Jupiter MOID = 2.59985 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.578200546115951E-15 -6.761686379657508E-15 -8.224762564036239E-13 1.102028067336831E-14 -2.459072286726344E-13 -4.563661657287955E-15
q -6.761686379657508E-15 1.778334277282945E-14 2.117290921422319E-12 -2.998488541082704E-14 6.304225121430325E-13 1.259886346658133E-14
tp -8.224762564036239E-13 2.117290921422319E-12 3.264658976735731E-9 -6.788854711176807E-12 8.78755935223948E-10 -1.852888895420226E-13
node 1.102028067336831E-14 -2.998488541082704E-14 -6.788854711176807E-12 1.335815944091806E-10 -1.302315860334001E-10 -4.486615023945298E-12
peri -2.459072286726344E-13 6.304225121430325E-13 8.78755935223948E-10 -1.302315860334001E-10 3.676069262030956E-10 4.273774512091362E-12
i -4.563661657287955E-15 1.259886346658133E-14 -1.852888895420226E-13 -4.486615023945298E-12 4.273774512091362E-12 2.528154607912991E-11

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 11.5   n/a MPO435706  
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. 2019-August); 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.]
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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