Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170990256237358 5.0358e-08  
a 2.560879160890978 8.604e-09 au
q 2.261002706410514 1.3194e-07 au
i 14.94544199979695 5.0144e-06 deg
node 3.713813471491795 1.1548e-05 deg
peri 5.358716535078718 1.9435e-05 deg
M 46.15616257877705 1.426e-05 deg
tp 2458808.584854478440
(2019-Nov-21.08485448)
5.9167e-05 TDB
period 1496.863008701018
4.10
7.5437e-06
2.065e-08
d
yr
n .2405029704838582 1.2121e-09 deg/d
Q 2.860755615371442 9.6115e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2507  
   data-arc span      33021 days (90.41 yr)  
   first obs. used      1929-09-09  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:47:23  

Additional Information
 Earth MOID = 1.26015 au 
 Jupiter MOID = 2.59985 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456782.5 (2014-May-05.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186620034113733 5.0706e-08  
q 2.256403136312683 1.3315e-07 au
tp 2457309.260535286926
(2015-Oct-13.76053529)
5.7026e-05 TDB
node 3.799686383101945 1.1527e-05 deg
peri 4.771694044579726 1.9141e-05 deg
i 14.96492761140446 5.019e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2507  
   data-arc span      33021 days (90.41 yr)  
   first obs. used      1929-09-09  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:47:23  

Additional Information
 Jupiter MOID = 2.59985 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.571124593108011E-15 -6.742079725259438E-15 -8.126610387940698E-13 1.120233861631222E-14 -2.439961761039715E-13 -4.64102268681779E-15
q -6.742079725259438E-15 1.772897891851064E-14 2.089949163260554E-12 -3.045381000932152E-14 6.250665124925428E-13 1.279614145828393E-14
tp -8.126610387940698E-13 2.089949163260554E-12 3.25200481941147E-9 -6.760654627527316E-12 8.760513793087742E-10 -1.74532329781408E-13
node 1.120233861631222E-14 -3.045381000932152E-14 -6.760654627527316E-12 1.328690009265071E-10 -1.29541849433811E-10 -4.232927844994996E-12
peri -2.439961761039715E-13 6.250665124925428E-13 8.760513793087742E-10 -1.29541849433811E-10 3.663699456355282E-10 4.033038734833026E-12
i -4.64102268681779E-15 1.279614145828393E-14 -1.74532329781408E-13 -4.232927844994996E-12 4.033038734833026E-12 2.519012054351668E-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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-01 00:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin