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33112 (1998 BL1)
Classification: Main-belt Asteroid          SPK-ID: 2033112
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05760627842584973 4.0211e-08  
a 2.692858638208625 1.096e-08 au
q 2.537733073734525 1.0668e-07 au
i 11.79490668977055 3.5582e-06 deg
node 136.1982700828422 1.6969e-05 deg
peri 244.1410803776426 3.4674e-05 deg
M 131.2806997502317 3.0476e-05 deg
tp 2458411.904222022683
(2018-Oct-20.40422202)
0.00013613 TDB
period 1614.056601427126
4.42
9.8542e-06
2.698e-08
d
yr
n .2230405053216183 1.3617e-09 deg/d
Q 2.847984202682726 1.1592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1980  
   data-arc span      8190 days (22.42 yr)  
   first obs. used      1998-01-19  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:52:31  

Additional Information
 Earth MOID = 1.55983 au 
 Jupiter MOID = 2.42883 au 
 T_jup = 3.338 
[ 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 13.8   n/a MPO358936  
diameter diameter 8.862 km 2.709 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.074   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

33112 (1998 BL1)          Discovered 1998-Jan-19 by Kobayashi, T. at Oizumi
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BL1 = 1999 JO15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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