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479 Caprera (A901 VK)
Classification: Main-belt Asteroid          SPK-ID: 2000479
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218934341598591 3.3992e-08  
a 2.719316567429402 9.6031e-09 au
q 2.123964785141105 9.11e-08 au
i 8.683299021368434 4.0296e-06 deg
node 136.0253872333177 2.5238e-05 deg
peri 269.6887088228126 2.7072e-05 deg
M 149.1354537292766 1.2186e-05 deg
tp 2458321.974023220308
(2018-Jul-22.47402322)
5.3638e-05 TDB
period 1637.902628332144
4.48
8.6763e-06
2.375e-08
d
yr
n .2197932854937681 1.1643e-09 deg/d
Q 3.314668349717699 1.1706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2929  
   data-arc span      43316 days (118.59 yr)  
   first obs. used      1901-11-12  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:14:51  

Additional Information
 Earth MOID = 1.15449 au 
 Jupiter MOID = 2.15857 au 
 T_jup = 3.308 
[ 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 9.8   n/a MPO384747  
diameter diameter 60.088 km 0.715 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.43 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Fauerbach, M.; Bennett, T. (2005) Minor Planet Bull. 32, 34-35.]
[Higgins, D.J. (2005) Minor Planet Bull. 32, 36-38.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hawkins, S.; Ditteon, R. (2008) Minor Planet Bull. 35, 1-4.]
[Warner, B.D. (2010) Minor Planet Bull. 37, 112-118.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.071   0.004 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)

479 Caprera (A901 VK)          Discovered 1901-Nov-12 by Carnera, L. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A901 VK = 1956 EA1 = 1957 HD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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