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48569 (1994 EN)
Classification: Main-belt Asteroid          SPK-ID: 2048569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07594328370135892 4.3767e-08  
a 3.094054092630482 2.1177e-08 au
q 2.859081464886495 1.3717e-07 au
i 10.05698129704346 5.0233e-06 deg
node 159.4827322211816 2.2213e-05 deg
peri 170.3250474425475 3.5403e-05 deg
M 38.1693633265023 2.6947e-05 deg
tp 2458389.732960597432
(2018-Sep-28.23296060)
0.00014917 TDB
period 1987.880529624689
5.44
2.0409e-05
5.588e-08
d
yr
n .181097402301117 1.8593e-09 deg/d
Q 3.32902672037447 2.2785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      10722 days (29.36 yr)  
   first obs. used      1990-06-23  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55308  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:37:39  

Additional Information
 Earth MOID = 1.84807 au 
 Jupiter MOID = 2.03546 au 
 T_jup = 3.196 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO452832  
diameter diameter 5.049 km 2.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.229   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48569 (1994 EN)          Discovered 1994-Mar-06 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 EN = 2000 FH50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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