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JPL Small-Body Database Browser
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91504 (1999 RZ153)
Classification: Main-belt Asteroid          SPK-ID: 2091504
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06020092630717813 4.886e-08  
a 2.681763865668438 1.9806e-08 au
q 2.52031919681808 1.3058e-07 au
i 10.85496042833261 6.5656e-06 deg
node 323.4497661350339 2.4385e-05 deg
peri 321.2094700805236 6.3196e-05 deg
M 311.6772056570628 6.1699e-05 deg
tp 2459215.817222194231
(2021-Jan-01.31722219)
0.0002755 TDB
period 1604.091837897875
4.39
1.7771e-05
4.865e-08
d
yr
n .2244260531066423 2.4862e-09 deg/d
Q 2.843208534518797 2.0999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      7539 days (20.64 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:41:58  

Additional Information
 Earth MOID = 1.51348 au 
 Jupiter MOID = 2.3597 au 
 T_jup = 3.348 
[ 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 14.9   n/a MPO468901  

91504 (1999 RZ153)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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