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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046902870551692 3.1049e-08  
a 2.352288343894144 8.4516e-09 au
q 1.870797767545924 7.1301e-08 au
i 3.221980846297781 4.5999e-06 deg
node 152.6355756496799 6.5289e-05 deg
peri 115.1207502251043 6.6593e-05 deg
M 187.3363371077142 1.5127e-05 deg
tp 2459832.522749299916
(2022-Sep-10.02274930)
5.6626e-05 TDB
period 1317.753752796907
3.61
7.1019e-06
1.944e-08
d
yr
n .2731921644965206 1.4723e-09 deg/d
Q 2.833778920242366 1.0182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1146  
   data-arc span      10194 days (27.91 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:55:07  

Additional Information
 Earth MOID = .85584 au 
 Jupiter MOID = 2.26488 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

[ show close-approach data ]
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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