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14330 (1981 EG21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2014330
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07465975748095907 4.9921e-08  
a 3.405570182588062 2.4764e-08 au
q 3.151311138671651 1.6915e-07 au
i 6.015789620970168 5.8424e-06 deg
node 159.663877454978 4.5068e-05 deg
peri 253.8730709071737 5.8278e-05 deg
M 244.0215524695976 3.7074e-05 deg
tp 2459940.033699976976
(2022-Dec-26.53369998)
0.00023849 TDB
period 2295.531089273478
6.28
2.5038e-05
6.855e-08
d
yr
n .1568264536612911 1.7106e-09 deg/d
Q 3.659829226504472 2.6613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1064  
   data-arc span      14405 days (39.44 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:25:16  

Additional Information
 Earth MOID = 2.16856 au 
 Jupiter MOID = 1.6545 au 
 T_jup = 3.133 
[ 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 13.66   n/a E2021B10  

14330 (1981 EG21)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1981 EG21 = 1990 SW13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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