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(2017 WJ16)
Classification: Aten [NEO]          SPK-ID: 3789720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2120031724835488 4.1087e-08  
a .8241514124013153 3.9953e-09 au
q .6494286983654388 3.6656e-08 au
i 5.774199994016862 1.1243e-05 deg
node 59.19252169244157 4.7757e-06 deg
peri 187.053382642462 3.6203e-05 deg
M 300.8360816700972 5.3281e-05 deg
tp 2459045.412100370295
(2020-Jul-14.91210037)
4.0218e-05 TDB
period 273.2806850815722
0.75
1.9872e-06
5.441e-09
d
yr
n 1.317326908385577 9.5793e-09 deg/d
Q .9988741264371918 4.8424e-09 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      1100 days (3.01 yr)  
   first obs. used      2017-11-25  
   last obs. used      2020-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-30 05:18:12  

Additional Information
 Earth MOID = .00852175 au 
 Jupiter MOID = 4.004 au 
 T_jup = 7.088 
[ 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 24.3   n/a MPO435150  

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