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JPL Small-Body Database Browser
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441023 (2007 ET170)
Classification: Main-belt Asteroid          SPK-ID: 2441023
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09627314823501566 9.3512e-08  
a 3.15449280738119 5.4553e-08 au
q 2.85079985372989 3.007e-07 au
i 17.6306681287307 1.1452e-05 deg
node 337.6664334154465 2.5312e-05 deg
peri 158.643961445621 5.441e-05 deg
M 74.48546380259555 4.6666e-05 deg
tp 2458177.089362550071
(2018-Feb-27.58936255)
0.00026316 TDB
period 2046.410422924194
5.60
5.3085e-05
1.453e-07
d
yr
n .1759177904721489 4.5634e-09 deg/d
Q 3.45818576103249 5.9805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      4494 days (12.30 yr)  
   first obs. used      2007-02-08  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66584  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:41:35  

Additional Information
 Earth MOID = 1.86973 au 
 Jupiter MOID = 1.5651 au 
 T_jup = 3.127 
[ 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 16.1   n/a MPO437714  

441023 (2007 ET170)          Discovered 2007-Feb-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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