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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 ]

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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 .09618367634376766 9.4255e-08  
a 3.159456328971942 5.5814e-08 au
q 2.855568204003836 3.0406e-07 au
i 17.6454920073763 1.1452e-05 deg
node 337.4975410918221 2.527e-05 deg
peri 159.881531279222 5.4183e-05 deg
M 143.6052159531048 4.6773e-05 deg
tp 2458182.252521464849
(2018-Mar-04.75252146)
0.00026249 TDB
period 2051.242291706506
5.62
5.4355e-05
1.488e-07
d
yr
n .1755034017461206 4.6506e-09 deg/d
Q 3.463344453940048 6.1182e-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 = 1.87324 au 
 Jupiter MOID = 1.55636 au 
 T_jup = 3.125 
[ 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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