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382921 (2004 RE254)
Classification: Main-belt Asteroid          SPK-ID: 2382921
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016156180395062 8.438e-08  
a 2.670267498921278 2.8335e-08 au
q 2.131899866795458 2.2374e-07 au
i 12.34234587145655 6.7311e-06 deg
node 73.51908580508503 3.9834e-05 deg
peri 282.3353474766236 4.2962e-05 deg
M 124.6626033313127 2.1545e-05 deg
tp 2458048.595070879231
(2017-Oct-22.09507088)
9.0307e-05 TDB
period 1593.78810624895
4.36
2.5369e-05
6.946e-08
d
yr
n .2258769522676861 3.5953e-09 deg/d
Q 3.208635131047098 3.4048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5269 days (14.43 yr)  
   first obs. used      2004-09-06  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:32:23  

Additional Information
 Earth MOID = 1.16816 au 
 Jupiter MOID = 2.37255 au 
 T_jup = 3.320 
[ 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 16.4   n/a MPO434374  
diameter diameter 2.815 km 0.797 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

382921 (2004 RE254)          Discovered 2004-Sep-06 by NEAT at Palomar
Reference: Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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