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393781 (2005 JR48)
Classification: Main-belt Asteroid          SPK-ID: 2393781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04795339897787863 8.0176e-08  
a 2.737054481414864 4.1875e-08 au
q 2.605803415843386 2.1884e-07 au
i 5.904669974058383 5.7647e-06 deg
node 122.8646428516766 8.326e-05 deg
peri 213.7889766756163 0.00011627 deg
M 20.84805474624221 8.3525e-05 deg
tp 2458904.717398570269
(2020-Feb-25.21739857)
0.00038313 TDB
period 1653.954622357194
4.53
3.7956e-05
1.039e-07
d
yr
n .2176601432310959 4.9951e-09 deg/d
Q 2.868305546986342 4.3883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      5174 days (14.17 yr)  
   first obs. used      2004-02-12  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:55:36  

Additional Information
 Earth MOID = 1.59755 au 
 Jupiter MOID = 2.32526 au 
 T_jup = 3.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456976.5 (2014-Nov-15.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05019224094101186 8.1043e-08  
q 2.600445397304998 2.2184e-07 au
tp 2457254.426306050689
(2015-Aug-19.92630605)
0.00035544 TDB
node 122.9581651332073 8.3397e-05 deg
peri 214.7765666739955 0.00011344 deg
i 5.899976044744541 5.7601e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      5174 days (14.17 yr)  
   first obs. used      2004-02-12  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:55:36  

Additional Information
 Jupiter MOID = 2.32526 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.567975738380245E-15 -1.769140082817403E-14 1.265835553877175E-11 7.220585601140879E-14 2.972785911770362E-12 8.580329684294927E-15
q -1.769140082817403E-14 4.921446580351551E-14 -3.222974893333265E-11 -1.852464252466585E-13 -7.672800355666432E-12 -2.031153831795079E-14
tp 1.265835553877175E-11 -3.222974893333265E-11 1.263362948664472E-7 4.020846068090669E-10 2.742370895815392E-8 5.016527625828705E-11
node 7.220585601140879E-14 -1.852464252466585E-13 4.020846068090669E-10 6.955040292575483E-9 -6.828303233600898E-9 5.674140596439432E-11
peri 2.972785911770362E-12 -7.672800355666432E-12 2.742370895815392E-8 -6.828303233600898E-9 1.286801056887659E-8 -4.530205497122262E-11
i 8.580329684294927E-15 -2.031153831795079E-14 5.016527625828705E-11 5.674140596439432E-11 -4.530205497122262E-11 3.317917858516629E-11

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 16.7   n/a MPO437612  

393781 (2005 JR48)          Discovered 2005-May-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 2005 JR48 = 2005 KF12 = 2011 UF184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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