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20030 (1992 EN30)
Classification: Main-belt Asteroid          SPK-ID: 2020030
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465641615331762 3.2118e-08  
a 2.341207207192439 9.6202e-09 au
q 1.99807013589485 7.531e-08 au
i 6.532004188863192 3.8624e-06 deg
node 168.0478585112104 3.2814e-05 deg
peri 141.6270210929363 3.553e-05 deg
M 181.8853197114816 1.3746e-05 deg
tp 2459647.874249201513
(2022-Mar-09.37424920)
5.068e-05 TDB
period 1308.453235494299
3.58
8.0648e-06
2.208e-08
d
yr
n .2751340210213944 1.6958e-09 deg/d
Q 2.684344278490027 1.103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1290  
   data-arc span      10762 days (29.46 yr)  
   first obs. used      1990-11-15  
   last obs. used      2020-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:05:10  

Additional Information
 Earth MOID = .988739 au 
 Jupiter MOID = 2.58126 au 
 T_jup = 3.541 
[ 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 14.8   n/a MPO449098  
diameter diameter 2.425 km 0.554 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.300   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20030 (1992 EN30)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EN30 = 1990 VC5 = 2000 LV17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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