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19729 (1999 XZ15)
Classification: Main-belt Asteroid          SPK-ID: 2019729
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2031103581198889 3.1962e-08  
a 2.42436425159821 8.61e-09 au
q 1.931950760243041 7.5649e-08 au
i 2.453783224278677 3.5081e-06 deg
node 260.5334976679403 9.6958e-05 deg
peri 181.354443071041 9.7618e-05 deg
M 230.5190673319437 1.1493e-05 deg
tp 2459696.405074522736
(2022-Apr-26.90507452)
4.533e-05 TDB
period 1378.780822392303
3.77
7.345e-06
2.011e-08
d
yr
n .2611002373643182 1.3909e-09 deg/d
Q 2.916777742953379 1.0359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1487  
   data-arc span      23424 days (64.13 yr)  
   first obs. used      1955-04-18  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49938  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:04:26  

Additional Information
 Earth MOID = .947476 au 
 Jupiter MOID = 2.32413 au 
 T_jup = 3.482 
[ 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 14.9   n/a MPO467931  

19729 (1999 XZ15)          Discovered 1999-Dec-06 by Korlevic, K. at Visnjan
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XZ15 = 1991 UP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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