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78876 (2003 RE7)
Classification: Main-belt Asteroid          SPK-ID: 2078876
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702598398579319 4.4356e-08  
a 2.692293057347975 1.4861e-08 au
q 2.233903672553287 1.2617e-07 au
i 10.61662549779989 4.5447e-06 deg
node 16.65065214090841 2.0265e-05 deg
peri 335.4035140515149 2.3242e-05 deg
M 308.4625442427068 1.1289e-05 deg
tp 2459231.494903480380
(2021-Jan-16.99490348)
5.0982e-05 TDB
period 1613.548127881128
4.42
1.336e-05
3.658e-08
d
yr
n .2231107915403449 1.8473e-09 deg/d
Q 3.150682442142663 1.7392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      10460 days (28.64 yr)  
   first obs. used      1992-02-27  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:11  

Additional Information
 Earth MOID = 1.23414 au 
 Jupiter MOID = 2.30499 au 
 T_jup = 3.326 
[ show covariance matrix ]

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 14.8   n/a MPO474679  
diameter diameter 3.492 km 0.476 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78876 (2003 RE7)          Discovered 2003-Sep-04 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 RE7 = 1999 XR211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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