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357461 (2004 ER48)
Classification: Main-belt Asteroid          SPK-ID: 2357461
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04305824134727308 5.1259e-08  
a 2.740564608152974 2.7886e-08 au
q 2.622560715827328 1.4633e-07 au
i 7.006092701111309 6.2864e-06 deg
node 146.1194016752536 5.3288e-05 deg
peri 335.3648282286526 0.00010696 deg
M 253.2889513914243 9.5966e-05 deg
tp 2459491.707943192596
(2021-Oct-04.20794319)		 0.00044501 TDB
period 1657.137305416033
4.54		 2.5292e-05
6.925e-08		 d
yr
n .2172421071105029 3.3157e-09 deg/d
Q 2.858568500478619 2.9086e-08 au
   Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      7522 days (20.59 yr)  
   first obs. used      2000-04-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:00:53  

Additional Information
 Earth MOID = 1.63953 au 
 Jupiter MOID = 2.15827 au 
 T_jup = 3.338 
[ 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 16.6   n/a MPO440601  

357461 (2004 ER48)          Discovered 2004-Mar-15 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2004 ER48 = 2013 CX137 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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