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JPL Small-Body Database Browser
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756 Lilliana (A908 HD)
Classification: Main-belt Asteroid          SPK-ID: 2000756
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 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484988757413991 3.1918e-08  
a 3.19467846135623 1.2544e-08 au
q 2.720272301489567 1.0057e-07 au
i 20.35463736481033 3.745e-06 deg
node 208.0670282749553 8.3022e-06 deg
peri 4.49079430898257 1.3091e-05 deg
M 163.4583761709723 1.1185e-05 deg
tp 2458053.513392971519
(2017-Oct-27.01339297)
6.363e-05 TDB
period 2085.639087553804
5.71
1.2284e-05
3.363e-08
d
yr
n .1726089629544848 1.0166e-09 deg/d
Q 3.669084621222893 1.4406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2819  
   data-arc span      40789 days (111.67 yr)  
   first obs. used      1908-05-24  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:36:05  

Additional Information
 Earth MOID = 1.71531 au 
 Jupiter MOID = 1.29692 au 
 T_jup = 3.082 
[ 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 9.9   n/a MPO302062  
diameter diameter 64.837 km 0.499 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.834 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F. (2012) Minor Planet Bull. 39, 220-222.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

756 Lilliana (A908 HD)          Discovered 1908-Apr-26 by Metcalf, J. H. at Taunton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A908 HD = 1949 HJ1 = 1966 FE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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