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78440 (2002 RL13)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078440
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566732948731185 3.1384e-08  
a 3.23548028758943 1.8744e-08 au
q 2.72856693043577 1.0134e-07 au
i 2.441538373517108 3.7231e-06 deg
node 104.4761081541193 8.4666e-05 deg
peri 263.4149518465798 8.5722e-05 deg
M 43.00150813935847 1.2266e-05 deg
tp 2458946.585354777260
(2020-Apr-07.08535478)		 7.2524e-05 TDB
period 2125.722474289712
5.82		 1.8472e-05
5.057e-08		 d
yr
n .169354186331539 1.4717e-09 deg/d
Q 3.742393644743091 2.1681e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1563  
   data-arc span      10264 days (28.10 yr)  
   first obs. used      1993-01-29  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:36:48  

Additional Information
 Earth MOID = 1.72742 au 
 Jupiter MOID = 1.72211 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457376.5 (2015-Dec-20.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617976585778665 3.2628e-08  
q 2.70905212203214 1.0605e-07 au
tp 2456801.761543500483
(2014-May-24.26154350)		 6.8701e-05 TDB
node 104.8841396369101 8.5021e-05 deg
peri 260.4365281808813 8.592e-05 deg
i 2.438240433654791 3.712e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1563  
   data-arc span      10264 days (28.10 yr)  
   first obs. used      1993-01-29  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:36:48  

Additional Information
 Jupiter MOID = 1.72211 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.064579792522975E-15 -3.424898422424424E-15 8.67321509632813E-14 -3.253640793013714E-15 -1.073745288816504E-14 -3.137552725108936E-16
q -3.424898422424424E-15 1.124702527113294E-14 -4.969539101278846E-13 1.005636696283375E-14 9.230216823569425E-15 1.402349476193816E-15
tp 8.67321509632813E-14 -4.969539101278846E-13 4.719789934965011E-9 -1.247221820255665E-11 8.665317863748335E-10 -2.641701940628267E-13
node -3.253640793013714E-15 1.005636696283375E-14 -1.247221820255665E-11 7.228492708827581E-9 -7.223801111378681E-9 -4.351947790998454E-11
peri -1.073745288816504E-14 9.230216823569425E-15 8.665317863748335E-10 -7.223801111378681E-9 7.382208111258743E-9 4.341818539018362E-11
i -3.137552725108936E-16 1.402349476193816E-15 -2.641701940628267E-13 -4.351947790998454E-11 4.341818539018362E-11 1.377860770707477E-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 14.02   n/a MPCxxxxx  
diameter diameter 6.883 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78440 (2002 RL13)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2002 RL13 = 2000 GZ50 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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