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3859 Borngen (1987 EW)
Classification: Main-belt Asteroid          SPK-ID: 2003859
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406932890720385 1.5339e-08  
a 3.19773358673417 1.3297e-08 au
q 2.747833930840413 4.799e-08 au
i 2.884717143457084 4.6384e-07 deg
node 126.109376445231 1.0899e-05 deg
peri 348.1774988569297 1.3991e-05 deg
M 10.50973162126923 7.0414e-06 deg
tp 2459139.525117828815
(2020-Oct-17.02511783)
4.0732e-05 TDB
period 2088.631600944322
5.72
1.3028e-05
3.567e-08
d
yr
n .1723616552757485 1.0751e-09 deg/d
Q 3.647633242627927 1.5168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2988  
   data-arc span      26145 days (71.58 yr)  
   first obs. used      1949-08-21  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44313  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:15:45  

Additional Information
 Earth MOID = 1.76426 au 
 Jupiter MOID = 1.45354 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457201.5 (2015-Jun-28.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406645011016076 1.5017e-08  
q 2.749646936081604 4.6848e-08 au
tp 2457058.699447231478
(2015-Feb-05.19944723)
3.9091e-05 TDB
node 126.1430535146317 1.0894e-05 deg
peri 349.3220025119947 1.402e-05 deg
i 2.885184146513767 4.6386e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2988  
   data-arc span      26145 days (71.58 yr)  
   first obs. used      1949-08-21  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44313  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:15:45  

Additional Information
 Jupiter MOID = 1.45354 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.255118779166476E-16 -6.832398620946558E-16 -3.83182872199348E-13 8.117265108997169E-16 -9.020212805790871E-14 7.419960009597352E-16
q -6.832398620946558E-16 2.19474795368388E-15 1.210655282711881E-12 -2.847605176489387E-15 2.85813366420853E-13 -2.446618299261402E-15
tp -3.83182872199348E-13 1.210655282711881E-12 1.528123749142244E-9 -3.960881096785366E-12 3.465334233952348E-10 6.285339923817737E-13
node 8.117265108997169E-16 -2.847605176489387E-15 -3.960881096785366E-12 1.186833032872608E-10 -1.189567654833731E-10 4.512087843427439E-12
peri -9.020212805790871E-14 2.85813366420853E-13 3.465334233952348E-10 -1.189567654833731E-10 1.965717729297353E-10 -4.336633620140862E-12
i 7.419960009597352E-16 -2.446618299261402E-15 6.285339923817737E-13 4.512087843427439E-12 -4.336633620140862E-12 2.151632614653225E-13

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 12.18   n/a MPCxxxxx  
diameter diameter 21.433 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3859 Borngen (1987 EW)          Discovered 1987-Mar-04 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1987 EW = 1949 QF = 1952 BZ1 = 1958 DW = 1978 SD4 = 1982 JS1 = 1985 YB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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