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JPL Small-Body Database Browser
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100720 (1998 BA28)
Classification: Outer Main-belt Asteroid          SPK-ID: 2100720
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09714031700949441 5.7042e-08  
a 3.447193913313976 4.5997e-08 au
q 3.112332403781457 2.0989e-07 au
i 7.262416371260059 6.2752e-06 deg
node 301.7275819444347 5.893e-05 deg
peri 359.3504697305573 7.0666e-05 deg
M 355.3749354384152 3.8684e-05 deg
tp 2459030.533939178300
(2020-Jun-30.03393918)
0.00025126 TDB
period 2337.744254208447
6.40
4.679e-05
1.281e-07
d
yr
n .1539946037090763 3.0822e-09 deg/d
Q 3.782055422846496 5.0465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      7820 days (21.41 yr)  
   first obs. used      1998-01-02  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:58:41  

Additional Information
 Earth MOID = 2.09681 au 
 Jupiter MOID = 1.44244 au 
 T_jup = 3.117 
[ 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 14.3   n/a MPO436469  
diameter diameter 6.950 km 0.779 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100720 (1998 BA28)          Discovered 1998-Jan-23 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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