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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558434600503628 1.6527e-08  
a 2.371482678430462 6.2755e-09 au
q 2.001902612374357 3.8648e-08 au
i 5.923180041365457 4.8636e-07 deg
node 244.6434181497866 6.7515e-06 deg
peri 106.3295656938414 7.6234e-06 deg
M 93.52174357326625 3.5829e-06 deg
tp 2459049.971900765552
(2020-Jul-19.47190077)
1.315e-05 TDB
period 1333.915632429056
3.65
5.2948e-06
1.45e-08
d
yr
n .2698821359072322 1.0713e-09 deg/d
Q 2.741062744486567 7.2535e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3118  
   data-arc span      33381 days (91.39 yr)  
   first obs. used      1929-11-27  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:36:16  

Additional Information
 Earth MOID = 1.00537 au 
 Jupiter MOID = 2.7129 au 
 T_jup = 3.521 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457383.5 (2015-Dec-27.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566297732091951 1.648e-08  
q 1.999420676119782 3.8575e-08 au
tp 2457717.302125295388
(2016-Nov-24.80212530)
1.3941e-05 TDB
node 244.6658457960045 6.748e-06 deg
peri 106.5910310966819 7.6153e-06 deg
i 5.925449798450116 4.8696e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3118  
   data-arc span      33381 days (91.39 yr)  
   first obs. used      1929-11-27  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:36:16  

Additional Information
 Jupiter MOID = 2.7129 au 
 T_jup = 3.521 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.715760233518583E-16 -6.298199281444699E-16 -1.172680125866364E-13 -9.972049164993992E-15 -8.146669320525606E-15 1.709694603506078E-15
q -6.298199281444699E-16 1.488058758440758E-15 2.530333275401161E-13 2.291149408300264E-14 1.270560993364048E-14 -3.943468644178702E-15
tp -1.172680125866364E-13 2.530333275401161E-13 1.943486966910853E-10 -2.789832864694998E-12 4.37745891411268E-11 -1.272491657346174E-13
node -9.972049164993992E-15 2.291149408300264E-14 -2.789832864694998E-12 4.55350078222303E-11 -4.711629836845501E-11 -2.247640033175767E-12
peri -8.146669320525606E-15 1.270560993364048E-14 4.37745891411268E-11 -4.711629836845501E-11 5.799295549916065E-11 2.322419753385882E-12
i 1.709694603506078E-15 -3.943468644178702E-15 -1.272491657346174E-13 -2.247640033175767E-12 2.322419753385882E-12 2.371346758107208E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.38   n/a E2021B10  
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. 2020-October); 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

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 ]
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