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(2019 SD8)
Classification: Apollo [NEO]          SPK-ID: 3872632
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5027093790745053 8.8746e-06  
a 1.760461274427423 2.821e-05 au
q .875460880275301 1.6044e-06 au
i 3.7249621609163 4.6955e-05 deg
node 5.253019056919417 1.7079e-05 deg
peri 54.51041118551254 3.6674e-05 deg
M 170.3234700537598 0.004024 deg
tp 2458796.845185420412
(2019-Nov-09.34518542)
0.00016665 TDB
period 853.1750392519907
2.34
0.020507
5.615e-05
d
yr
n .4219532727019592 1.0142e-05 deg/d
Q 2.645461668579546 4.2391e-05 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      9 days  
   first obs. used      2019-09-22  
   last obs. used      2019-10-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .40193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:45:08  

Additional Information
 Earth MOID = .00338997 au 
 Jupiter MOID = 2.73096 au 
 T_jup = 3.959 
[ 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 27.4   .45346 E2020R76 autocmod 2.8

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