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(2012 WH1)
Classification: Aten [NEO]          SPK-ID: 3618296
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3363909116834372 5.596e-07  
a .8173899669911767 1.5994e-07 au
q .5424274107941202 4.1278e-07 au
i 4.611545157402507 1.8063e-05 deg
node 64.03534930845559 1.6247e-05 deg
peri 147.1482960352834 9.1633e-05 deg
M 202.6698971257001 0.0017728 deg
tp 2459318.464601996935
(2021-Apr-13.96460200)
0.0013637 TDB
period 269.9245468162319
0.74
7.9224e-05
2.169e-07
d
yr
n 1.333706045805062 3.9145e-07 deg/d
Q 1.092352523188233 2.1374e-07 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      13 days  
   first obs. used      2012-11-19  
   last obs. used      2012-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .3518  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:56  

Additional Information
 Earth MOID = .00694408 au 
 Jupiter MOID = 3.8693 au 
 T_jup = 7.110 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.9   n/a MPO248937  

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