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JPL Small-Body Database Browser
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2637 Bobrovnikoff (A919 SB)
Classification: Main-belt Asteroid          SPK-ID: 2002637
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 .2352001826945805 4.0644e-08  
a 2.254598657792835 7.2722e-09 au
q 1.724316641577004 9.2001e-08 au
i 4.932040646816755 4.4686e-06 deg
node 356.1126951556944 4.2559e-05 deg
peri 343.5964299738659 4.3148e-05 deg
M 274.9453825476472 9.5583e-06 deg
tp 2459292.644482055602
(2021-Mar-19.14448206)
3.3545e-05 TDB
period 1236.523268109855
3.39
5.9826e-06
1.638e-08
d
yr
n .2911388805083261 1.4086e-09 deg/d
Q 2.784880674008666 8.9826e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2347  
   data-arc span      36632 days (100.29 yr)  
   first obs. used      1919-09-22  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:40:24  

Additional Information
 Earth MOID = .716515 au 
 Jupiter MOID = 2.61422 au 
 T_jup = 3.583 
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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 13.1   n/a MPO473801  
diameter diameter 6.215 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.7939 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.316   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2637 Bobrovnikoff (A919 SB)          Discovered 1919-Sep-22 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A919 SB = 1953 TL = 1963 RB = 1976 JB7 = 1980 TN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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