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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06020090457513678 4.2458e-08  
a 2.681763857804674 1.7536e-08 au
q 2.520319247707924 1.1787e-07 au
i 10.85495508559942 5.3832e-06 deg
node 323.4497644614548 2.4358e-05 deg
peri 321.2094443415659 5.3451e-05 deg
M 311.6772369276043 4.835e-05 deg
tp 2459215.817081911554
(2021-Jan-01.31708191)
0.00021529 TDB
period 1604.091830842333
4.39
1.5734e-05
4.308e-08
d
yr
n .2244260540937726 2.2013e-09 deg/d
Q 2.843208467901424 1.8592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:39:39  

Additional Information
 Earth MOID = 1.51348 au 
 Jupiter MOID = 2.3597 au 
 T_jup = 3.348 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457124.5 (2015-Apr-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05916002406257685 4.2365e-08  
q 2.524457740059503 1.1729e-07 au
tp 2457607.601109117456
(2016-Aug-07.10110912)
0.00022071 TDB
node 323.4744818240214 2.4352e-05 deg
peri 320.2876622820534 5.4205e-05 deg
i 10.85460473658219 5.3828e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:39:39  

Additional Information
 Jupiter MOID = 2.3597 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.794754656754931E-15 -4.92040531593492E-15 1.251681049594498E-12 6.777528513026992E-15 3.1568771871628E-13 -3.81177700082026E-16
q -4.92040531593492E-15 1.375667447550935E-14 -3.800729908589009E-12 -1.856427167390951E-14 -9.625643416053816E-13 1.648900903862093E-15
tp 1.251681049594498E-12 -3.800729908589009E-12 4.871255000062467E-8 4.612216099712701E-11 1.070598891959965E-8 1.158291965020184E-11
node 6.777528513026992E-15 -1.856427167390951E-14 4.612216099712701E-11 5.930349448939914E-10 -5.715816826937505E-10 1.716432438624674E-11
peri 3.1568771871628E-13 -9.625643416053816E-13 1.070598891959965E-8 -5.715816826937505E-10 2.938154227376414E-9 -1.440207333026289E-11
i -3.81177700082026E-16 1.648900903862093E-15 1.158291965020184E-11 1.716432438624674E-11 -1.440207333026289E-11 2.897494330234701E-11

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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