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JPL Small-Body Database Browser
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305494 (2008 EQ47)
Classification: Main-belt Asteroid          SPK-ID: 2305494
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467869983149118 6.6179e-08  
a 3.102627917689678 3.8197e-08 au
q 2.647202478763965 1.9624e-07 au
i 6.121143117479063 6.9403e-06 deg
node 60.55065902170234 5.2737e-05 deg
peri 18.06384365603195 5.8032e-05 deg
M 188.8343829197022 2.3713e-05 deg
tp 2459949.589131757713
(2023-Jan-05.08913176)
0.00014023 TDB
period 1996.149070478859
5.47
3.6862e-05
1.009e-07
d
yr
n .1803472522789288 3.3304e-09 deg/d
Q 3.558053356615392 4.3804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      4535 days (12.42 yr)  
   first obs. used      2006-12-10  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57831  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:08:17  

Additional Information
 Earth MOID = 1.66346 au 
 Jupiter MOID = 1.71468 au 
 T_jup = 3.196 
[ 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 16.2   n/a MPO258184  

305494 (2008 EQ47)          Discovered 2008-Mar-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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