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JPL Small-Body Database Browser
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390976 (2005 RZ21)
Classification: Main-belt Asteroid          SPK-ID: 2390976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247365776406991 8.266e-08  
a 3.131144443728738 3.4564e-08 au
q 2.427461757346451 2.6196e-07 au
i 17.68033744973917 8.7677e-06 deg
node 7.744999239316221 2.5695e-05 deg
peri 340.037766997423 3.2178e-05 deg
M 170.5503398367985 1.9774e-05 deg
tp 2457641.754873878732
(2016-Sep-10.25487388)
0.00010212 TDB
period 2023.732381500574
5.54
3.3509e-05
9.174e-08
d
yr
n .1778891336082018 2.9455e-09 deg/d
Q 3.834827130111025 4.2331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      5855 days (16.03 yr)  
   first obs. used      2003-03-23  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:31:41  

Additional Information
 Earth MOID = 1.42859 au 
 Jupiter MOID = 1.63317 au 
 T_jup = 3.102 
[ 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 15.5   n/a MPO434442  

390976 (2005 RZ21)          Discovered 2005-Aug-27 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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