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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07594327678668086 3.7886e-08  
a 3.094054094456871 2.0289e-08 au
q 2.859081487968569 1.1588e-07 au
i 10.05697910304052 4.4402e-06 deg
node 159.4827333750933 2.2176e-05 deg
peri 170.3250446777535 3.515e-05 deg
M 38.16936431272237 2.6887e-05 deg
tp 2458389.732954965012
(2018-Sep-28.23295496)
0.0001488 TDB
period 1987.880531384827
5.44
1.9553e-05
5.353e-08
d
yr
n .1810974021407671 1.7813e-09 deg/d
Q 3.329026700945172 2.183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1141  
   data-arc span      10759 days (29.46 yr)  
   first obs. used      1990-06-23  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5429  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:13:08  

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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