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201058 (2002 ET71)
Classification: Main-belt Asteroid          SPK-ID: 2201058
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536958781875904 6.138e-08  
a 2.444839378848811 1.4489e-08 au
q 2.06907764348904 1.5457e-07 au
i 1.62087630931197 4.7587e-06 deg
node 257.4867600212443 0.00023837 deg
peri 231.0565177938771 0.00023901 deg
M 313.18741870337 2.0015e-05 deg
tp 2459182.065785772396
(2020-Nov-28.56578577)
7.8212e-05 TDB
period 1396.284525817598
3.82
1.2413e-05
3.398e-08
d
yr
n .2578271071142903 2.292e-09 deg/d
Q 2.820601114208581 1.6716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      9452 days (25.88 yr)  
   first obs. used      1994-01-08  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .533  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:19:25  

Additional Information
 Earth MOID = 1.08455 au 
 Jupiter MOID = 2.23471 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457388.5 (2016-Jan-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526227930691617 6.1594e-08  
q 2.072141125886258 1.5502e-07 au
tp 2457786.387020192050
(2017-Feb-01.88702019)
7.5089e-05 TDB
node 257.5440481441553 0.00023884 deg
peri 231.1729423678541 0.00023949 deg
i 1.618390706720414 4.7555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      9452 days (25.88 yr)  
   first obs. used      1994-01-08  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .533  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:19:25  

Additional Information
 Jupiter MOID = 2.23471 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.793862387420262E-15 -9.521544977067633E-15 7.076569500115073E-13 4.065064124323526E-14 3.070260906754746E-13 7.275938312222629E-16
q -9.521544977067633E-15 2.403154039865134E-14 -1.530961754551933E-12 -1.013703179242081E-13 -7.24542550164203E-13 -1.678206322173384E-15
tp 7.076569500115073E-13 -1.530961754551933E-12 5.638290080159992E-9 2.64765470730108E-11 1.379687376968287E-9 1.948529378015511E-12
node 4.065064124323526E-14 -1.013703179242081E-13 2.64765470730108E-11 5.704365247769692E-8 -5.701259121285724E-8 -1.180766508874021E-10
peri 3.070260906754746E-13 -7.24542550164203E-13 1.379687376968287E-9 -5.701259121285724E-8 5.735705970010296E-8 1.185121063944098E-10
i 7.275938312222629E-16 -1.678206322173384E-15 1.948529378015511E-12 -1.180766508874021E-10 1.185121063944098E-10 2.261477210202637E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO503054  

201058 (2002 ET71)          Discovered 2002-Mar-13 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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