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359286 (2009 HD25)
Classification: Main-belt Asteroid          SPK-ID: 2359286
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2413511698628161 1.2413e-07  
a 2.60610673717513 4.831e-08 au
q 1.977119827370546 3.4169e-07 au
i 16.55494737654582 1.2388e-05 deg
node 214.5348298853751 2.5082e-05 deg
peri 2.96286634339942 3.1765e-05 deg
M 227.4970218873518 3.4736e-05 deg
tp 2459566.100603303486
(2021-Dec-17.60060330)
0.00016278 TDB
period 1536.691628290417
4.21
4.2729e-05
1.17e-07
d
yr
n .2342695133964536 6.514e-09 deg/d
Q 3.235093646979715 5.9969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5370 days (14.70 yr)  
   first obs. used      2005-02-18  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:25:25  

Additional Information
 Earth MOID = .970394 au 
 Jupiter MOID = 1.73884 au 
 T_jup = 3.313 
[ 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 16.8   n/a MPO455593  

359286 (2009 HD25)          Discovered 2009-Apr-17 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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