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2346 Lilio (1934 CB)
Classification: Main-belt Asteroid          SPK-ID: 2002346
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .155907524494983 3.1019e-08  
a 2.371284539601157 6.5522e-09 au
q 2.001583437158715 7.3381e-08 au
i 5.923755286716912 3.0502e-06 deg
node 244.6462818010099 3.3228e-05 deg
peri 106.2309988178898 3.4747e-05 deg
M 346.7146687020543 9.3881e-06 deg
tp 2459049.720250505753
(2020-Jul-19.22025051)
3.4761e-05 TDB
period 1333.748461719666
3.65
5.528e-06
1.513e-08
d
yr
n .2699159626664797 1.1187e-09 deg/d
Q 2.740985642043599 7.5738e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2757  
   data-arc span      33205 days (90.91 yr)  
   first obs. used      1929-11-27  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:10:24  

Additional Information
 Earth MOID = 1.00585 au 
 Jupiter MOID = 2.7127 au 
 T_jup = 3.521 
[ 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 12.3   n/a MPO384771  
diameter diameter 10.420 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.031 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2006) Minor Planet Bull. 33, 35-39.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2016) Minor Planet Bull. 43, 336-339.]
geometric albedo albedo 0.227   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B C   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)

2346 Lilio (1934 CB)          Discovered 1934-Feb-05 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1934 CB = 1929 WV = 1929 XO = 1932 NE = 1951 YA2 = 1957 HW = 1958 TU = 1969 UM = 1978 EH4 = 1980 XP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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