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JPL Small-Body Database Browser
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452516 (2004 RW321)
Classification: Main-belt Asteroid          SPK-ID: 2452516
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2398645054607202 1.1884e-07  
a 2.341422398843018 2.8572e-08 au
q 1.779798273069884 2.63e-07 au
i 3.357955933232253 1.1608e-05 deg
node 227.1271744834289 0.00012613 deg
peri 120.9486220277156 0.00013246 deg
M 37.46383299862601 5.2295e-05 deg
tp 2458464.315466365471
(2018-Dec-11.81546637)
0.00018785 TDB
period 1308.633639014689
3.58
2.3954e-05
6.558e-08
d
yr
n .2750960920361601 5.0355e-09 deg/d
Q 2.903046524616152 3.5426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4134 days (11.32 yr)  
   first obs. used      2004-09-13  
   last obs. used      2016-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60117  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:49:11  

Additional Information
 Earth MOID = .77539 au 
 Jupiter MOID = 2.5356 au 
 T_jup = 3.523 
[ 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 18.3   n/a MPO368963  

452516 (2004 RW321)          Discovered 2004-Sep-13 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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