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305272 (2007 YJ48)
Classification: Main-belt Asteroid          SPK-ID: 2305272
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03414020616284914 7.4923e-08  
a 2.762315793560448 4.5092e-08 au
q 2.668009762881399 2.1403e-07 au
i 4.886177348121665 7.6051e-06 deg
node 85.92779930453953 8.0421e-05 deg
peri 332.2209789677265 0.0001234 deg
M 278.935277635075 9.0413e-05 deg
tp 2459378.105068862735
(2021-Jun-12.60506886)
0.00042038 TDB
period 1676.904833876321
4.59
4.1061e-05
1.124e-07
d
yr
n .2146812345741927 5.2567e-09 deg/d
Q 2.856621824239495 4.6632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      4661 days (12.76 yr)  
   first obs. used      2005-05-20  
   last obs. used      2018-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56201  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:03:12  

Additional Information
 Earth MOID = 1.68144 au 
 Jupiter MOID = 2.25975 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03604631957872809 7.5275e-08  
q 2.662806894882985 2.1485e-07 au
tp 2457683.685938887887
(2016-Oct-22.18593889)
0.00039879 TDB
node 85.96289586425299 8.0439e-05 deg
peri 328.7573419170767 0.00011928 deg
i 4.886332083838541 7.6092e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      4661 days (12.76 yr)  
   first obs. used      2005-05-20  
   last obs. used      2018-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56201  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:03:12  

Additional Information
 Jupiter MOID = 2.25975 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.666257216023825E-15 -1.584877173550803E-14 -1.237110496160639E-13 -1.692685464696457E-14 9.216600394699026E-14 -1.136810235164967E-15
q -1.584877173550803E-14 4.61602851420539E-14 -2.286153351495111E-12 4.98950019211616E-14 -1.01134193121294E-12 4.443072578422753E-15
tp -1.237110496160639E-13 -2.286153351495111E-12 1.590303963693846E-7 -1.977094162114224E-10 3.513477985171434E-8 1.717754686565162E-11
node -1.692685464696457E-14 4.98950019211616E-14 -1.977094162114224E-10 6.470454490467482E-9 -6.490293542954438E-9 -1.952597195069364E-10
peri 9.216600394699026E-14 -1.01134193121294E-12 3.513477985171434E-8 -6.490293542954438E-9 1.422782909265774E-8 1.982213379722607E-10
i -1.136810235164967E-15 4.443072578422753E-15 1.717754686565162E-11 -1.952597195069364E-10 1.982213379722607E-10 5.790008017903435E-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 16.8   n/a MPO437356  

305272 (2007 YJ48)          Discovered 2007-Dec-28 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2007 YJ48 = 2009 DW93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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