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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2352001586299988 3.5902e-08  
a 2.254598654642425 6.864e-09 au
q 1.724316693423545 8.2303e-08 au
i 4.932038296511729 4.0285e-06 deg
node 356.1127140199612 3.8573e-05 deg
peri 343.596412810971 3.9255e-05 deg
M 274.9453840660773 9.494e-06 deg
tp 2459292.644476227787
(2021-Mar-19.14447623)
3.3273e-05 TDB
period 1236.523265518115
3.39
5.6468e-06
1.546e-08
d
yr
n .2911388811185503 1.3295e-09 deg/d
Q 2.784880615861305 8.4784e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2513  
   data-arc span      36744 days (100.60 yr)  
   first obs. used      1919-09-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:43:07  

Additional Information
 Earth MOID = .716515 au 
 Jupiter MOID = 2.61422 au 
 T_jup = 3.583 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456750.5 (2014-Apr-03.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2352310432676197 3.5955e-08  
q 1.72444624016897 8.2447e-08 au
tp 2456817.505291772157
(2014-Jun-09.00529177)
2.9031e-05 TDB
node 356.1474941412664 3.8578e-05 deg
peri 343.2257248172102 3.9258e-05 deg
i 4.933207886592402 4.0274e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2513  
   data-arc span      36744 days (100.60 yr)  
   first obs. used      1919-09-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:43:07  

Additional Information
 Jupiter MOID = 2.61422 au 
 T_jup = 3.583 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.292790222354384E-15 -2.958615864729204E-15 -5.064527128405043E-14 2.885250618259086E-15 -9.636205458208532E-15 2.929425120179227E-16
q -2.958615864729204E-15 6.797533591858672E-15 1.472069602317054E-13 -6.549557020796508E-15 2.86740980360735E-14 -5.522501757827015E-16
tp -5.064527128405043E-14 1.472069602317054E-13 8.428238234609229E-10 -3.197089386060409E-12 2.201525485791024E-10 2.711502012743766E-13
node 2.885250618259086E-15 -6.549557020796508E-15 -3.197089386060409E-12 1.48829328699217E-9 -1.483266162153171E-9 -1.475091999218277E-11
peri -9.636205458208532E-15 2.86740980360735E-14 2.201525485791024E-10 -1.483266162153171E-9 1.541179509535723E-9 1.47472026381707E-11
i 2.929425120179227E-16 -5.522501757827015E-16 2.711502012743766E-13 -1.475091999218277E-11 1.47472026381707E-11 1.622004825773051E-11

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

[ 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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