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97258 (1999 XD116)
Classification: Main-belt Asteroid          SPK-ID: 2097258
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2449416883945938 3.6658e-08  
a 2.635045746499406 1.1292e-08 au
q 1.989613192354849 9.7767e-08 au
i 5.485829405983456 4.7228e-06 deg
node 326.11221503 4.6784e-05 deg
peri 99.40283959622909 4.7997e-05 deg
M 277.538611473468 1.0494e-05 deg
tp 2459358.372896600349
(2021-May-23.87289660)
4.6471e-05 TDB
period 1562.358396798921
4.28
1.0043e-05
2.75e-08
d
yr
n .2304208821340836 1.4811e-09 deg/d
Q 3.280478300643963 1.4058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      7599 days (20.80 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:47:58  

Additional Information
 Earth MOID = 1.01203 au 
 Jupiter MOID = 2.08217 au 
 T_jup = 3.348 
[ 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 MPO436449  

97258 (1999 XD116)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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