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JPL Small-Body Database Browser
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66315 (1999 JB48)
Classification: Main-belt Asteroid          SPK-ID: 2066315
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284528826367202 5.4426e-08  
a 2.560581608685058 1.2482e-08 au
q 2.231667519822892 1.4362e-07 au
i 3.677984022896381 4.2313e-06 deg
node 296.4091955473986 8.1411e-05 deg
peri 268.0294583557834 8.3039e-05 deg
M 74.15272059057722 1.7447e-05 deg
tp 2458692.230222911076
(2019-Jul-27.73022291)
7.1757e-05 TDB
period 1496.602132304163
4.10
1.0943e-05
2.996e-08
d
yr
n .2405448931478838 1.7589e-09 deg/d
Q 2.889495697547224 1.4085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      14549 days (39.83 yr)  
   first obs. used      1979-07-24  
   last obs. used      2019-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:54:57  

Additional Information
 Earth MOID = 1.23155 au 
 Jupiter MOID = 2.09381 au 
 T_jup = 3.421 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456840.5 (2014-Jul-02.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285315551387637 5.4378e-08  
q 2.231045236455083 1.4354e-07 au
tp 2457194.502605285580
(2015-Jun-21.00260529)
6.8365e-05 TDB
node 296.4603327415061 8.14e-05 deg
peri 267.4966987751578 8.3006e-05 deg
i 3.678633003316949 4.2297e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      14549 days (39.83 yr)  
   first obs. used      1979-07-24  
   last obs. used      2019-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:54:57  

Additional Information
 Jupiter MOID = 2.09381 au 
 T_jup = 3.421 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.957014508103423E-15 -7.786241944698058E-15 -1.356791706494921E-12 3.88158112738134E-14 -2.850686919659084E-13 -2.476759806618151E-15
q -7.786241944698058E-15 2.060432552558433E-14 3.629085645738628E-12 -1.036268730495311E-13 7.582585173955887E-13 6.690921979358665E-15
tp -1.356791706494921E-12 3.629085645738628E-12 4.673723280508951E-9 -1.200626096553448E-11 1.145607089286322E-9 2.964955129597884E-12
node 3.88158112738134E-14 -1.036268730495311E-13 -1.200626096553448E-11 6.626006238822987E-9 -6.613642890652963E-9 1.030429611648333E-10
peri -2.850686919659084E-13 7.582585173955887E-13 1.145607089286322E-9 -6.613642890652963E-9 6.889940979998372E-9 -1.021964955005767E-10
i -2.476759806618151E-15 6.690921979358665E-15 2.964955129597884E-12 1.030429611648333E-10 -1.021964955005767E-10 1.789043180425103E-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 15.2   n/a MPO337766  

66315 (1999 JB48)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JB48 = 1979 OC7 = 2000 SJ325 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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