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91547 (1999 RZ209)
Classification: Main-belt Asteroid          SPK-ID: 2091547
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250821736953728 5.2789e-08  
a 3.057955309165324 1.586e-08 au
q 2.675459612031619 1.6592e-07 au
i 10.53203740437865 5.677e-06 deg
node 342.1214870292352 1.655e-05 deg
peri 8.162745084061271 2.2342e-05 deg
M 43.93426735285644 1.3113e-05 deg
tp 2459158.133063071299
(2020-Nov-04.63306307)
7.1327e-05 TDB
period 1953.192859804302
5.35
1.5196e-05
4.16e-08
d
yr
n .1843135961679022 1.4339e-09 deg/d
Q 3.440451006299028 1.7844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      7982 days (21.85 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-07-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:04:46  

Additional Information
 Earth MOID = 1.66875 au 
 Jupiter MOID = 1.98033 au 
 T_jup = 3.197 
[ 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 14.37   n/a MPCxxxxx  

91547 (1999 RZ209)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RZ209 = 2000 XC34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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