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351444 (2005 JP54)
Classification: Main-belt Asteroid          SPK-ID: 2351444
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0454763950039434 6.4123e-08  
a 2.700262505839218 2.7271e-08 au
q 2.577464301509336 1.6375e-07 au
i 10.91724971323046 6.502e-06 deg
node 196.5416551619233 3.1293e-05 deg
peri 64.23413200866497 7.9338e-05 deg
M 111.9336805688172 7.2986e-05 deg
tp 2458496.575249314914
(2019-Jan-13.07524931)
0.00032608 TDB
period 1620.717815448743
4.44
2.4553e-05
6.722e-08
d
yr
n .2221238000646791 3.365e-09 deg/d
Q 2.823060710169101 2.8512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1996-04-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:43:45  

Additional Information
 Earth MOID = 1.58487 au 
 Jupiter MOID = 2.19146 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457427.5 (2016-Feb-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04573703892821745 6.371e-08  
q 2.577543197281049 1.6254e-07 au
tp 2456884.147622532488
(2014-Aug-14.64762253)
0.00031983 TDB
node 196.5917555622732 3.1251e-05 deg
peri 66.24718841418277 7.9379e-05 deg
i 10.92343122693603 6.5062e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1996-04-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:43:45  

Additional Information
 Jupiter MOID = 2.19146 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.058936839792783E-15 -1.024728632911683E-14 -1.332335324598931E-12 1.307319610403871E-14 -3.341006476098867E-13 -7.427942514156271E-15
q -1.024728632911683E-14 2.641908096837037E-14 5.385297782061133E-12 -3.815288508098188E-14 1.334689250192059E-12 2.050729423074039E-14
tp -1.332335324598931E-12 5.385297782061133E-12 1.022941254551824E-7 -9.639867014434508E-11 2.33694796343443E-8 1.668548602945636E-11
node 1.307319610403871E-14 -3.815288508098188E-14 -9.639867014434508E-11 9.766074288087517E-10 -9.806567111540315E-10 2.328404394949457E-11
peri -3.341006476098867E-13 1.334689250192059E-12 2.33694796343443E-8 -9.806567111540315E-10 6.301036040409749E-9 -1.912723406273745E-11
i -7.427942514156271E-15 2.050729423074039E-14 1.668548602945636E-11 2.328404394949457E-11 -1.912723406273745E-11 4.233072991624423E-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 16.6   n/a MPO450319  

351444 (2005 JP54)          Discovered 2005-May-04 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 2005 JP54 = 1996 HN6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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