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4275 Bogustafson (1981 EW14)
Classification: Main-belt Asteroid          SPK-ID: 2004275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782232180043813 3.7912e-08  
a 2.654352523895427 1.263e-08 au
q 2.181285275368732 1.0133e-07 au
i 13.02603756121697 4.9201e-06 deg
node 335.9537231739085 1.5513e-05 deg
peri 47.50388527768874 2.015e-05 deg
M 218.3829739126937 1.5126e-05 deg
tp 2459821.868592200708
(2022-Aug-30.36859220)
6.8714e-05 TDB
period 1579.560730602753
4.32
1.1274e-05
3.087e-08
d
yr
n .2279114648935502 1.6267e-09 deg/d
Q 3.127419772422121 1.4882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1399  
   data-arc span      32339 days (88.54 yr)  
   first obs. used      1931-11-08  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:08:40  

Additional Information
 Earth MOID = 1.20299 au 
 Jupiter MOID = 2.42885 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761200890843545 3.7706e-08  
q 2.189893964115148 1.006e-07 au
tp 2456661.431669681412
(2014-Jan-03.93166968)
6.0557e-05 TDB
node 335.9799349873575 1.5498e-05 deg
peri 47.72379173886763 2.0267e-05 deg
i 13.0262710466942 4.9192e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1399  
   data-arc span      32339 days (88.54 yr)  
   first obs. used      1931-11-08  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:08:40  

Additional Information
 Jupiter MOID = 2.42885 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.421724421869451E-15 -3.772642578744425E-15 -4.074811448811893E-13 -4.63508261951297E-15 -1.196869256471291E-13 2.571885849624647E-15
q -3.772642578744425E-15 1.011966122157337E-14 1.224926840035404E-12 1.170054750696544E-14 3.535555698492404E-13 -7.316498572037991E-15
tp -4.074811448811893E-13 1.224926840035404E-12 3.667156198269055E-9 -6.783822859411995E-12 7.988938790689098E-10 -7.167068008727138E-12
node -4.63508261951297E-15 1.170054750696544E-14 -6.783822859411995E-12 2.401781485202315E-10 -2.350641104477243E-10 5.05739401105249E-12
peri -1.196869256471291E-13 3.535555698492404E-13 7.988938790689098E-10 -2.350641104477243E-10 4.107374715610711E-10 -6.531297164594709E-12
i 2.571885849624647E-15 -7.316498572037991E-15 -7.167068008727138E-12 5.05739401105249E-12 -6.531297164594709E-12 2.419852801314842E-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 14.22   n/a E2020-QM5  
diameter diameter 3.751 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.346   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4275 Bogustafson (1981 EW14)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 EW14 = 1931 VO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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