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15308 (1993 FR4)
Classification: Main-belt Asteroid          SPK-ID: 2015308
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048683610924849 3.1269e-08  
a 2.351871919015002 8.6426e-09 au
q 1.870047773466961 7.1858e-08 au
i 3.22193941261131 4.8495e-06 deg
node 152.6417476075214 6.728e-05 deg
peri 115.0839785425059 6.8668e-05 deg
M 132.7286322302305 1.5584e-05 deg
tp 2458514.785526191697
(2019-Jan-31.28552619)
5.6276e-05 TDB
period 1317.403845974113
3.61
7.2618e-06
1.988e-08
d
yr
n .2732647252398215 1.5063e-09 deg/d
Q 2.833696064563043 1.0413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1064  
   data-arc span      9736 days (26.66 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57473  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 23:20:03  

Additional Information
 Earth MOID = .856868 au 
 Jupiter MOID = 2.26584 au 
 T_jup = 3.526 
[ 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 15.3   n/a MPO502286  

15308 (1993 FR4)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 FR4 = 2000 CY87 = 2000 DX35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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