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100538 (1997 ET10)
Classification: Main-belt Asteroid          SPK-ID: 2100538
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 .1174094916761412 7.3309e-08  
a 3.115334583181634 2.9519e-08 au
q 2.749564733369176 2.1844e-07 au
i 9.621650584596114 7.0187e-06 deg
node 7.366418997402817 3.2646e-05 deg
peri 43.67792659721954 4.1703e-05 deg
M 200.3522030603173 2.6094e-05 deg
tp 2459891.168104701201
(2022-Nov-07.66810470)
0.00015044 TDB
period 2008.424318022847
5.50
2.8546e-05
7.815e-08
d
yr
n .1792449915934073 2.5476e-09 deg/d
Q 3.481104432994093 3.2985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-03-02  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:39  

Additional Information
 Earth MOID = 1.76868 au 
 Jupiter MOID = 2. au 
 T_jup = 3.185 
[ 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 15.44   n/a E2021B55  

100538 (1997 ET10)          Discovered 1997-Mar-07 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 ET10 = 2000 WV70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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