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442819 (2013 AN58)
Classification: Main-belt Asteroid          SPK-ID: 2442819
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09850367938859145 7.4813e-08  
a 2.6882306094099 4.4983e-08 au
q 2.42343000333799 2.3189e-07 au
i 13.34036839480456 5.075e-06 deg
node 121.6837196319957 2.8183e-05 deg
peri 355.1188922521833 4.4995e-05 deg
M 247.5926515007657 3.8392e-05 deg
tp 2459503.178618150338
(2021-Oct-15.67861815)
0.00017725 TDB
period 1609.897439537544
4.41
4.0408e-05
1.106e-07
d
yr
n .2236167293386173 5.6128e-09 deg/d
Q 2.953031215481811 4.9414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      4276 days (11.71 yr)  
   first obs. used      2009-02-04  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:42:04  

Additional Information
 Earth MOID = 1.43981 au 
 Jupiter MOID = 2.13056 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458007.5 (2017-Sep-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09647824441276534 7.4565e-08  
q 2.429946000922315 2.3084e-07 au
tp 2457889.026288862175
(2017-May-15.52628886)
0.00016582 TDB
node 121.7839427719923 2.8238e-05 deg
peri 354.4003175989866 4.5625e-05 deg
i 13.323587846471 5.0695e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      4276 days (11.71 yr)  
   first obs. used      2009-02-04  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:42:04  

Additional Information
 Jupiter MOID = 2.13056 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.55986556838212E-15 -1.708169793682313E-14 -4.106792004891638E-12 -9.262879227459143E-15 -6.736979312195749E-13 -1.37977595009085E-14
q -1.708169793682313E-14 5.328658505063401E-14 1.270289393250507E-11 3.275609583298082E-14 2.098975495310761E-12 4.580097089207896E-14
tp -4.106792004891638E-12 1.270289393250507E-11 2.749768698285438E-8 -4.747662819476605E-11 5.979295159536241E-9 4.169227225125504E-11
node -9.262879227459143E-15 3.275609583298082E-14 -4.747662819476605E-11 7.974098039846757E-10 -7.869950241280703E-10 -6.857976491545806E-13
peri -6.736979312195749E-13 2.098975495310761E-12 5.979295159536241E-9 -7.869950241280703E-10 2.081611028668434E-9 9.469286461380534E-12
i -1.37977595009085E-14 4.580097089207896E-14 4.169227225125504E-11 -6.857976491545806E-13 9.469286461380534E-12 2.569979801992759E-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 16.5   n/a MPO437722  

442819 (2013 AN58)          Discovered 2009-Feb-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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