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385258 (2001 ON43)
Classification: Main-belt Asteroid          SPK-ID: 2385258
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2881816833353786 1.0549e-07  
a 3.084707797610667 3.3006e-08 au
q 2.195751511897457 3.4008e-07 au
i 15.82384538063041 1.4419e-05 deg
node 332.8165298859534 2.5372e-05 deg
peri 40.00424113935903 3.3815e-05 deg
M 189.0986421525068 2.2335e-05 deg
tp 2460139.925806568263
(2023-Jul-14.42580657)
0.00013527 TDB
period 1978.880066396941
5.42
3.176e-05
8.695e-08
d
yr
n .1819210805713316 2.9198e-09 deg/d
Q 3.973664083323877 4.2517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2001-07-22  
   last obs. used      2020-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:42  

Additional Information
 Earth MOID = 1.21632 au 
 Jupiter MOID = 1.65319 au 
 T_jup = 3.106 
[ 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 15.94   n/a E2021B25  

385258 (2001 ON43)          Discovered 2001-Jul-22 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

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