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316720 (1998 BE7)
Classification: Mars-crossing Asteroid          SPK-ID: 2316720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5155795190218623 4.6342e-08  
a 3.068842974094701 1.0325e-08 au
q 1.486610389557334 1.3989e-07 au
i 14.99995523364483 4.2342e-06 deg
node 99.52958309652259 1.4997e-05 deg
peri 303.1638071357322 1.5229e-05 deg
M 88.48948804583866 4.8547e-06 deg
tp 2458717.830774774476
(2019-Aug-22.33077477)
2.4495e-05 TDB
period 1963.633476907205
5.38
9.9101e-06
2.713e-08
d
yr
n .1833336028508809 9.2525e-10 deg/d
Q 4.651075558632068 1.5649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1393  
   data-arc span      8498 days (23.27 yr)  
   first obs. used      1998-01-24  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42811  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:53:10  

Additional Information
 Earth MOID = .555214 au 
 Jupiter MOID = 1.1815 au 
 T_jup = 2.967 
[ 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 14.64   n/a E2021B25  
rotation period rot_per 6.6769 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Ye, Q.; Shi. L.; Lin, H.-C. (2009) Minor Planet Bull. 36, 41-42.]

316720 (1998 BE7)          Discovered 1998-Jan-24 by NEAT at Haleakala
Reference: 20120308/Numbers.arcLast Updated: 2012-03-13

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