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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06020090711706456 4.2545e-08  
a 2.681763858758626 1.7567e-08 au
q 2.520319241787597 1.1804e-07 au
i 10.85495519372027 5.4175e-06 deg
node 323.4497645660581 2.4364e-05 deg
peri 321.2094480455214 5.3609e-05 deg
M 311.6772326326235 4.8567e-05 deg
tp 2459215.817101164063
(2021-Jan-01.31710116)
0.00021627 TDB
period 1604.091831698239
4.39
1.5761e-05
4.315e-08
d
yr
n .224426053974024 2.2052e-09 deg/d
Q 2.843208475729655 1.8624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      7583 days (20.76 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:39:59  

Additional Information
 Earth MOID = 1.51348 au 
 Jupiter MOID = 2.3597 au 
 T_jup = 3.348 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457113.5 (2015-Apr-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05915390373106376 4.2443e-08  
q 2.524561022741174 1.1743e-07 au
tp 2457607.470578940725
(2016-Aug-06.97057894)
0.00022165 TDB
node 323.4745480071726 2.4358e-05 deg
peri 320.2536460363831 5.4372e-05 deg
i 10.85463212996886 5.4171e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      7583 days (20.76 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:39:59  

Additional Information
 Jupiter MOID = 2.3597 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.801431457094479E-15 -4.935343813310869E-15 1.301922621590377E-12 6.827327029311482E-15 3.260025698862631E-13 -3.423832349435706E-16
q -4.935343813310869E-15 1.378990368690465E-14 -3.914308062704706E-12 -1.868656830211071E-14 -9.858497133717332E-13 1.537398815205865E-15
tp 1.301922621590377E-12 -3.914308062704706E-12 4.913036796284234E-8 4.593529867431814E-11 1.079258161434329E-8 1.118837251302159E-11
node 6.827327029311482E-15 -1.868656830211071E-14 4.593529867431814E-11 5.933144744703702E-10 -5.718976206094244E-10 1.749229008092192E-11
peri 3.260025698862631E-13 -9.858497133717332E-13 1.079258161434329E-8 -5.718976206094244E-10 2.956365618198898E-9 -1.480818064583943E-11
i -3.423832349435706E-16 1.537398815205865E-15 1.118837251302159E-11 1.749229008092192E-11 -1.480818064583943E-11 2.934497912872455E-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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