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308302 (2005 JD148)
Classification: Main-belt Asteroid          SPK-ID: 2308302
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575742497430539 5.7664e-08  
a 2.73286100310157 2.9493e-08 au
q 2.302232480885791 1.4772e-07 au
i 15.23335750414562 6.2444e-06 deg
node 107.8704747705304 2.1143e-05 deg
peri 188.1725206317622 3.9368e-05 deg
M 70.98415566655768 2.5237e-05 deg
tp 2458675.125388765295
(2019-Jul-10.62538877)
0.00011842 TDB
period 1650.155009164654
4.52
2.6712e-05
7.313e-08
d
yr
n .2181613230276108 3.5316e-09 deg/d
Q 3.16348952531735 3.414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      6620 days (18.12 yr)  
   first obs. used      2001-08-14  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50893  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:53:50  

Additional Information
 Earth MOID = 1.28704 au 
 Jupiter MOID = 2.04554 au 
 T_jup = 3.285 
[ 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 16.0   n/a MPO494637  

308302 (2005 JD148)          Discovered 2001-Aug-14 by NEAT at Palomar
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 JD148 = 2010 HA41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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