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65889 (1998 BB4)
Classification: Main-belt Asteroid          SPK-ID: 2065889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175024414824086 4.3656e-08  
a 2.362188073923557 1.0952e-08 au
q 1.948747488580652 1.0508e-07 au
i 5.492123811137795 5.3675e-06 deg
node 138.0134003283027 4.9432e-05 deg
peri 344.3464418674649 5.1713e-05 deg
M 313.6671729230172 1.7552e-05 deg
tp 2458771.169703950485
(2019-Oct-14.66970395)
6.5293e-05 TDB
period 1326.081253796347
3.63
9.2227e-06
2.525e-08
d
yr
n .2714765772982468 1.8881e-09 deg/d
Q 2.775628659266462 1.2869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      7682 days (21.03 yr)  
   first obs. used      1998-01-23  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53803  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:26:24  

Additional Information
 Earth MOID = .965372 au 
 Jupiter MOID = 2.29812 au 
 T_jup = 3.523 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO381717  
diameter diameter 5.066 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65889 (1998 BB4)          Discovered 1998-Jan-23 by Stafford, T. at Zeno
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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