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181346 (2006 RV18)
Classification: Main-belt Asteroid          SPK-ID: 2181346
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078879358041135 3.4259e-08  
a 2.666343107581563 1.6376e-08 au
q 2.378676853559063 8.9498e-08 au
i 14.46622150595676 5.8784e-06 deg
node 332.4498005663709 1.4432e-05 deg
peri 85.82025962880017 3.4133e-05 deg
M 100.993236630143 2.8608e-05 deg
tp 2458950.369137517185
(2020-Apr-10.86913752)
0.00012651 TDB
period 1590.275902157567
4.35
1.4651e-05
4.011e-08
d
yr
n .2263758128457955 2.0855e-09 deg/d
Q 2.954009361604064 1.8143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      8154 days (22.32 yr)  
   first obs. used      1999-01-09  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:38:07  

Additional Information
 Earth MOID = 1.44152 au 
 Jupiter MOID = 2.3676 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457954.5 (2017-Jul-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1062729136170853 3.4304e-08  
q 2.384439497914989 8.9383e-08 au
tp 2457357.690207045412
(2015-Dec-01.19020705)
0.00013091 TDB
node 332.5750754871759 1.4422e-05 deg
peri 85.34686284569679 3.4672e-05 deg
i 14.4682536987323 5.8789e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      8154 days (22.32 yr)  
   first obs. used      1999-01-09  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:38:07  

Additional Information
 Jupiter MOID = 2.3676 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.176770970921885E-15 -3.026521386888319E-15 -1.38237519152913E-12 3.844806203199619E-15 -3.507675690828383E-13 -3.104327663679409E-15
q -3.026521386888319E-15 7.989302820979821E-15 3.377938036895161E-12 -1.002488608084762E-14 8.776824506192119E-13 8.474702166297235E-15
tp -1.38237519152913E-12 3.377938036895161E-12 1.713730327360314E-8 -3.804051682322819E-11 4.132534730586576E-9 8.558106102985719E-12
node 3.844806203199619E-15 -1.002488608084762E-14 -3.804051682322819E-11 2.080010880319499E-10 -2.101723185169173E-10 7.42540252714519E-12
peri -3.507675690828383E-13 8.776824506192119E-13 4.132534730586576E-9 -2.101723185169173E-10 1.202161121856769E-9 -5.046256606100563E-12
i -3.104327663679409E-15 8.474702166297235E-15 8.558106102985719E-12 7.42540252714519E-12 -5.046256606100563E-12 3.456154016486086E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.72   n/a MPCxxxxx  

181346 (2006 RV18)          Discovered 2006-Sep-14 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2006 RV18 = 2004 FX11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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