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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2352386537815746 1.7538e-08  
a 2.255206514964823 6.2556e-09 au
q 1.724694770385061 4.0124e-08 au
i 4.932035303855074 5.5307e-07 deg
node 356.1010640300801 5.0834e-06 deg
peri 343.538061549469 5.3868e-06 deg
M 333.2247778369938 4.8824e-06 deg
tp 2459292.504376246083
(2021-Mar-19.00437625)
1.7023e-05 TDB
period 1237.023366116159
3.39
5.147e-06
1.409e-08
d
yr
n .2910211802468047 1.2109e-09 deg/d
Q 2.785718259544584 7.7272e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2791  
   data-arc span      36876 days (100.96 yr)  
   first obs. used      1919-09-22  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45342  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:03:17  

Additional Information
 Earth MOID = .715033 au 
 Jupiter MOID = 2.61357 au 
 T_jup = 3.582 
[ 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 13.12   n/a E2021B10  
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. 2020-October); 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

[ show close-approach data ]
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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