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JPL Small-Body Database Browser
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312293 (2008 BL52)
Classification: Main-belt Asteroid          SPK-ID: 2312293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079081200562067 7.5739e-08  
a 2.721620313080768 3.9838e-08 au
q 2.427935381589438 2.2566e-07 au
i 3.549151432825665 8.289e-06 deg
node 130.9186228763051 0.00012818 deg
peri 272.3615481653508 0.00013432 deg
M 274.7011696226102 3.982e-05 deg
tp 2458989.079879049209
(2020-May-19.57987905)
0.00018336 TDB
period 1639.984462140945
4.49
3.6008e-05
9.858e-08
d
yr
n .2195142748669899 4.8198e-09 deg/d
Q 3.015305244572098 4.4137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      6640 days (18.18 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67864  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:09:46  

Additional Information
 Earth MOID = 1.4393 au 
 Jupiter MOID = 2.34737 au 
 T_jup = 3.347 
[ 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 16.7   n/a MPO455301  
diameter diameter 3.327 km 0.815 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312293 (2008 BL52)          Discovered 2008-Jan-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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