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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045651496043905 3.104e-08  
a 2.352448575206561 8.4774e-09 au
q 1.871219580482795 7.1282e-08 au
i 3.222222480705486 4.5943e-06 deg
node 152.6315029700561 6.5209e-05 deg
peri 115.1370823421654 6.6514e-05 deg
M 240.8540941831323 1.5229e-05 deg
tp 2459832.669463620241
(2022-Sep-10.16946362)
5.6638e-05 TDB
period 1317.888397647793
3.61
7.1238e-06
1.95e-08
d
yr
n .2731642532421856 1.4766e-09 deg/d
Q 2.833677569930326 1.0212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      10228 days (28.00 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:01:12  

Additional Information
 Earth MOID = .85797 au 
 Jupiter MOID = 2.26383 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456710.5 (2014-Feb-22.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043559182449777 3.1005e-08  
q 1.872464320581144 7.1104e-08 au
tp 2457197.385257031724
(2015-Jun-23.88525703)
5.2818e-05 TDB
node 152.678774651535 6.5276e-05 deg
peri 114.9558900332958 6.6579e-05 deg
i 3.219918909084496 4.5917e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      10228 days (28.00 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:01:12  

Additional Information
 Jupiter MOID = 2.26383 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.613279613659239E-16 -2.195477433540131E-15 1.923477895822348E-13 3.073359964758302E-15 3.332341133820973E-14 4.355479336944865E-16
q -2.195477433540131E-15 5.055754704924832E-15 -3.957195495561419E-13 -8.143235336223728E-15 -6.937071271811438E-14 -1.090224319545286E-15
tp 1.923477895822348E-13 -3.957195495561419E-13 2.789762199310316E-9 4.638530812202159E-12 7.033968116790702E-10 -1.969096679189452E-13
node 3.073359964758302E-15 -8.143235336223728E-15 4.638530812202159E-12 4.260967355890475E-9 -4.252576385208786E-9 6.786509595251035E-11
peri 3.332341133820973E-14 -6.937071271811438E-14 7.033968116790702E-10 -4.252576385208786E-9 4.432768137188315E-9 -6.781711524541434E-11
i 4.355479336944865E-16 -1.090224319545286E-15 -1.969096679189452E-13 6.786509595251035E-11 -6.781711524541434E-11 2.10841038062221E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

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