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JPL Small-Body Database Browser
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315 Constantia
Classification: Main-belt Asteroid          SPK-ID: 2000315
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679447147779914 3.3879e-08  
a 2.241299364029434 5.6607e-09 au
q 1.864884981605417 7.6253e-08 au
i 2.428618588860354 3.8285e-06 deg
node 161.6368943765088 8.3898e-05 deg
peri 172.8464915682383 8.4572e-05 deg
M 20.35028959106782 1.2106e-05 deg
tp 2458531.218653182438
(2019-Feb-16.71865318)
4.1093e-05 TDB
period 1225.598522453931
3.36
4.6431e-06
1.271e-08
d
yr
n .2937340355789569 1.1128e-09 deg/d
Q 2.61771374645345 6.6114e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2586  
   data-arc span      33297 days (91.16 yr)  
   first obs. used      1928-10-07  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:41:00  

Additional Information
 Earth MOID = .85402 au 
 Jupiter MOID = 2.73703 au 
 T_jup = 3.614 
[ 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 12.6   n/a MPO452160  
diameter diameter 6.534 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.345 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Oey, J. (2009) Minor Planet Bull. 36, 4-6.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.217   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

315 Constantia          Discovered 1891-Sep-04 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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