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245440 (2005 JO154)
Classification: Main-belt Asteroid          SPK-ID: 2245440
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05974992491554047 5.1088e-08  
a 2.984488083964981 3.0665e-08 au
q 2.806165145036749 1.4892e-07 au
i 9.275026108225278 9.2803e-06 deg
node 224.2409594181701 4.6894e-05 deg
peri 249.1086365036455 0.00010518 deg
M 75.42692594441635 9.2083e-05 deg
tp 2458605.927232280021
(2019-May-02.42723228)
0.00048247 TDB
period 1883.229292466053
5.16
2.9024e-05
7.946e-08
d
yr
n .1911610027733728 2.9462e-09 deg/d
Q 3.162811022893214 3.2497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      8188 days (22.42 yr)  
   first obs. used      1997-11-26  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45745  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:04:54  

Additional Information
 Earth MOID = 1.83946 au 
 Jupiter MOID = 1.98462 au 
 T_jup = 3.236 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457318.5 (2015-Oct-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06093585755481624 5.137e-08  
q 2.802312950978436 1.5012e-07 au
tp 2456724.779564661561
(2014-Mar-08.27956466)
0.00047666 TDB
node 224.2647602782387 4.6894e-05 deg
peri 249.6211010043583 0.00010339 deg
i 9.275553460587059 9.2806e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      8188 days (22.42 yr)  
   first obs. used      1997-11-26  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45745  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:04:54  

Additional Information
 Jupiter MOID = 1.98462 au 
 T_jup = 3.236 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.63887155260718E-15 -7.575647195951505E-15 8.333549835823332E-12 2.726054500851718E-15 1.532354604404222E-12 -2.408166471435639E-15
q -7.575647195951505E-15 2.253693604290169E-14 -2.761568728932248E-11 -6.314560330750023E-15 -5.072735888271353E-12 9.174727606717171E-15
tp 8.333549835823332E-12 -2.761568728932248E-11 2.272084494332707E-7 -2.102445167987881E-10 4.400392894475861E-8 -2.217297060241196E-11
node 2.726054500851718E-15 -6.314560330750023E-15 -2.102445167987881E-10 2.199084422234462E-9 -2.211205033870162E-9 -2.940948430673234E-10
peri 1.532354604404222E-12 -5.072735888271353E-12 4.400392894475861E-8 -2.211205033870162E-9 1.068902311988644E-8 2.863231640370368E-10
i -2.408166471435639E-15 9.174727606717171E-15 -2.217297060241196E-11 -2.940948430673234E-10 2.863231640370368E-10 8.612964641660438E-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 15.7   n/a MPO418311  

245440 (2005 JO154)          Discovered 2005-May-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2005 JO154 = 2007 TN201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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