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100504 (1997 AU8)
Classification: Main-belt Asteroid          SPK-ID: 2100504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1310619218948847 7.9601e-08  
a 2.436969547987948 1.0895e-08 au
q 2.117575635429339 1.9551e-07 au
i 1.436226946377316 6.5557e-06 deg
node 161.6637927358389 0.00015297 deg
peri 10.93458064910885 0.00015392 deg
M 68.49717400045155 1.4809e-05 deg
tp 2458936.110786013639
(2020-Mar-27.61078601)
5.7216e-05 TDB
period 1389.548086092756
3.80
9.3187e-06
2.551e-08
d
yr
n .259077036342281 1.7374e-09 deg/d
Q 2.756363460546557 1.2323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      8540 days (23.38 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:52  

Additional Information
 Earth MOID = 1.12249 au 
 Jupiter MOID = 2.207 au 
 T_jup = 3.492 
[ 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 17.16   n/a E2021B55  

100504 (1997 AU8)          Discovered 1997-Jan-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 AU8 = 2001 DO106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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