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JPL Small-Body Database Browser
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410648 (2008 RA145)
Classification: Outer Main-belt Asteroid          SPK-ID: 2410648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06973081056166198 7.5558e-08  
a 3.205788196857517 8.2799e-08 au
q 2.982245987401634 2.258e-07 au
i 9.927403791352031 8.1137e-06 deg
node 188.0269283903584 3.9636e-05 deg
peri 318.0892291139398 6.7019e-05 deg
M 218.1032869171816 5.3817e-05 deg
tp 2459826.862308059290
(2022-Sep-04.36230806)
0.00031848 TDB
period 2096.527991650614
5.74
8.1224e-05
2.224e-07
d
yr
n .1717124700617849 6.6525e-09 deg/d
Q 3.429330406313401 8.8573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      4041 days (11.06 yr)  
   first obs. used      2008-09-05  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58976  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 14:21:30  

Additional Information
 Earth MOID = 2.00124 au 
 Jupiter MOID = 1.58544 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457624.5 (2016-Aug-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06601184125621021 7.6155e-08  
q 2.996219433091667 2.2779e-07 au
tp 2457736.550396292329
(2016-Dec-14.05039629)
0.00032725 TDB
node 188.1468197647076 3.952e-05 deg
peri 319.5279033772455 6.8953e-05 deg
i 9.937048162863825 8.125e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      4041 days (11.06 yr)  
   first obs. used      2008-09-05  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58976  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 14:21:30  

Additional Information
 Jupiter MOID = 1.58544 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.799639118477999E-15 -1.643248026434979E-14 3.461188517291737E-12 -1.7717183914787E-14 4.295833835374196E-13 -1.596461963154966E-16
q -1.643248026434979E-14 5.188695223328698E-14 -1.295881311777857E-11 4.128207982454228E-14 -1.831205481064438E-12 9.549028112712886E-15
tp 3.461188517291737E-12 -1.295881311777857E-11 1.070934426228158E-7 8.251140506169287E-11 1.853317949407765E-8 -4.899314915879253E-11
node -1.7717183914787E-14 4.128207982454228E-14 8.251140506169287E-11 1.561838712092158E-9 -1.522432598649721E-9 -7.388712647855667E-12
peri 4.295833835374196E-13 -1.831205481064438E-12 1.853317949407765E-8 -1.522432598649721E-9 4.754478733390133E-9 -1.478018925771176E-12
i -1.596461963154966E-16 9.549028112712886E-15 -4.899314915879253E-11 -7.388712647855667E-12 -1.478018925771176E-12 6.601575962734145E-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 16.2   n/a MPO455919  

410648 (2008 RA145)          Discovered 2008-Sep-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

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Alternate Designations
 2008 RA145 = 2012 JF54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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