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72280 (2001 BJ2)
Classification: Main-belt Asteroid          SPK-ID: 2072280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426365826658076 3.2961e-08  
a 2.670575036807894 1.3057e-08 au
q 2.289653339805003 8.4413e-08 au
i 12.89542497147874 3.3831e-06 deg
node 255.5029300574523 1.934e-05 deg
peri 18.28835664321708 2.7498e-05 deg
M 65.93482122888649 1.7234e-05 deg
tp 2458908.543642423177
(2020-Feb-29.04364242)
7.671e-05 TDB
period 1594.063451886774
4.36
1.169e-05
3.201e-08
d
yr
n .2258379361084371 1.6562e-09 deg/d
Q 3.051496733810785 1.4919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      8220 days (22.51 yr)  
   first obs. used      1998-06-25  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:11  

Additional Information
 Earth MOID = 1.27523 au 
 Jupiter MOID = 2.05259 au 
 T_jup = 3.331 
[ 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 15.00   n/a E2021B10  

72280 (2001 BJ2)          Discovered 2001-Jan-16 by NEAT at Haleakala
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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