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30870 (1992 EW15)
Classification: Main-belt Asteroid          SPK-ID: 2030870
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07638759258496935 3.1073e-08  
a 3.119618632990797 1.6758e-08 au
q 2.881318475833417 9.1115e-08 au
i 1.887559386565357 4.009e-06 deg
node 201.3310939657268 9.5005e-05 deg
peri 273.8183119154825 9.8575e-05 deg
M 126.2179829528897 2.6289e-05 deg
tp 2458494.882374936143
(2019-Jan-11.38237494)
0.00014649 TDB
period 2012.568566539375
5.51
1.6217e-05
4.44e-08
d
yr
n .1788758932169066 1.4414e-09 deg/d
Q 3.357918790148176 1.8038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1475  
   data-arc span      10337 days (28.30 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51236  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:41:27  

Additional Information
 Earth MOID = 1.8984 au 
 Jupiter MOID = 1.71503 au 
 T_jup = 3.211 
[ 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 14.11   n/a E2021B10  

30870 (1992 EW15)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EW15 = 1998 HN64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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