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30866 (1992 EN8)
Classification: Main-belt Asteroid          SPK-ID: 2030866
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679946961864187 3.471e-08  
a 3.170680721557131 1.6223e-08 au
q 2.638023177035006 1.0965e-07 au
i 9.238518541058674 5.3185e-06 deg
node 7.296292587574031 2.4812e-05 deg
peri 69.38170094826127 3.0647e-05 deg
M 96.44732527115519 1.6239e-05 deg
tp 2458648.022135664551
(2019-Jun-13.52213566)
9.2278e-05 TDB
period 2062.182964655473
5.65
1.5827e-05
4.333e-08
d
yr
n .1745722887688314 1.3399e-09 deg/d
Q 3.703338266079256 1.8949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1482  
   data-arc span      10616 days (29.07 yr)  
   first obs. used      1992-02-27  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:32:00  

Additional Information
 Earth MOID = 1.67006 au 
 Jupiter MOID = 1.70854 au 
 T_jup = 3.160 
[ 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 13.76   n/a E2021B10  
diameter diameter 8.962 km 0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30866 (1992 EN8)          Discovered 1992-Mar-02 by UESAC at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EN8 = 2001 RP6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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