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58526 (1997 BD4)
Classification: Main-belt Asteroid          SPK-ID: 2058526
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05984483222428408 5.0133e-08  
a 3.107407075078175 2.4385e-08 au
q 2.921444820017569 1.5959e-07 au
i 1.97892535794659 4.4202e-06 deg
node 316.7963308546585 0.00015888 deg
peri 283.9827696421526 0.00016529 deg
M 342.0427716379518 4.3683e-05 deg
tp 2459100.300440238171
(2020-Sep-07.80044024)
0.00024232 TDB
period 2000.763022074943
5.48
2.3551e-05
6.448e-08
d
yr
n .1799313542023846 2.118e-09 deg/d
Q 3.293369330138782 2.5844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      8566 days (23.45 yr)  
   first obs. used      1997-01-09  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:47  

Additional Information
 Earth MOID = 1.90958 au 
 Jupiter MOID = 1.713 au 
 T_jup = 3.216 
[ 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 15.29   n/a E2021B10  

58526 (1997 BD4)          Discovered 1997-Jan-31 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 BD4 = 1998 HT65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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