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JPL Small-Body Database Browser
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523311 (2017 BD121)
Classification: Main-belt Asteroid          SPK-ID: 2523311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058206896482091 9.6504e-08  
a 3.150819640858968 9.6416e-08 au
q 2.817397733506149 2.8107e-07 au
i 10.70668076226969 7.026e-06 deg
node 252.3638533638658 5.2442e-05 deg
peri 259.1781796431585 6.0719e-05 deg
M 137.4654674100377 3.4336e-05 deg
tp 2457820.445664072818
(2017-Mar-07.94566407)
0.00018319 TDB
period 2042.837130114614
5.59
9.3767e-05
2.567e-07
d
yr
n .1762255026076416 8.0888e-09 deg/d
Q 3.484241548211786 1.0662e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4005 days (10.97 yr)  
   first obs. used      2008-09-04  
   last obs. used      2019-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58342  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:40:35  

Additional Information
 Earth MOID = 1.85429 au 
 Jupiter MOID = 1.73534 au 
 T_jup = 3.172 
[ 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 16.0   n/a MPO448203  

523311 (2017 BD121)          Discovered 2014-Aug-28 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2018-05-31

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