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308835 (2006 RU38)
Classification: Main-belt Asteroid          SPK-ID: 2308835
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816467603783685 5.7056e-08  
a 2.777114769698199 2.1106e-08 au
q 2.272660868583602 1.6439e-07 au
i 5.707780584935945 5.2991e-06 deg
node 123.3627172867883 6.6466e-05 deg
peri 280.7321760307668 6.9363e-05 deg
M 312.2133207520291 1.62e-05 deg
tp 2459224.884844531789
(2021-Jan-10.38484453)
7.5765e-05 TDB
period 1690.398774358735
4.63
1.9271e-05
5.276e-08
d
yr
n .2129674994212941 2.4279e-09 deg/d
Q 3.281568670812795 2.494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      7003 days (19.17 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:59:51  

Additional Information
 Earth MOID = 1.29022 au 
 Jupiter MOID = 2.14 au 
 T_jup = 3.303 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457571.5 (2016-Jul-02.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842749406364872 5.773e-08  
q 2.264745851715379 1.6672e-07 au
tp 2457527.491857151028
(2016-May-18.99185715)
7.6133e-05 TDB
node 123.6162313828877 6.6799e-05 deg
peri 279.395446922851 6.9445e-05 deg
i 5.696053984031493 5.2905e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      7003 days (19.17 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:59:51  

Additional Information
 Jupiter MOID = 2.14 au 
 T_jup = 3.303 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.332750398792559E-15 -9.580204031744766E-15 -6.083996167077177E-13 9.057266954435212E-15 -1.027461009812073E-13 -9.08196793117075E-15
q -9.580204031744766E-15 2.779505809862533E-14 1.327895916699579E-12 -1.707323117020001E-14 1.873361664680416E-13 2.700707420935034E-14
tp -6.083996167077177E-13 1.327895916699579E-12 5.796254959871197E-9 -2.257961161725951E-11 1.495914767085312E-9 5.095040032998001E-12
node 9.057266954435212E-15 -1.707323117020001E-14 -2.257961161725951E-11 4.462088817783616E-9 -4.445933183760797E-9 9.635981992789599E-11
peri -1.027461009812073E-13 1.873361664680416E-13 1.495914767085312E-9 -4.445933183760797E-9 4.822546233670577E-9 -9.480846827013802E-11
i -9.08196793117075E-15 2.700707420935034E-14 5.095040032998001E-12 9.635981992789599E-11 -9.480846827013802E-11 2.798986660175148E-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 MPO440449  

308835 (2006 RU38)          Discovered 2006-Sep-14 by CSS at Catalina
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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Alternate Designations
 2006 RU38 = 2008 DQ42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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