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(2014 BP31)
Classification: Mars-crossing Asteroid          SPK-ID: 3661484
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5245505053373819 2.3266e-07  
a 3.069046092305541 1.3259e-07 au
q 1.459176413682952 6.6437e-07 au
i 12.13934583112554 2.86e-05 deg
node 307.3850486191256 5.1194e-05 deg
peri 263.5701845512534 4.9421e-05 deg
M 76.93999739991135 2.6872e-05 deg
tp 2458780.786237778985
(2019-Oct-24.28623778)
0.00013641 TDB
period 1963.828431319124
5.38
0.00012726
3.484e-07
d
yr
n .1833154028420824 1.1879e-08 deg/d
Q 4.678915770928129 2.0214e-07 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      8296 days (22.71 yr)  
   first obs. used      1997-12-27  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46814  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 09:17:28  

Additional Information
 Earth MOID = .519814 au 
 Jupiter MOID = 1.12741 au 
 T_jup = 2.974 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO297946  
diameter diameter 0.939 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.241   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

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