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74709 (1999 RU151)
Classification: Main-belt Asteroid          SPK-ID: 2074709
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1048897332399731 4.0594e-08  
a 2.230808518580299 8.9271e-09 au
q 1.996819608156952 9.2252e-08 au
i 2.056505958121705 5.3228e-06 deg
node 32.23670620151826 0.0001027 deg
peri 294.9524713503835 0.0001055 deg
M 90.78434938008057 2.275e-05 deg
tp 2458693.597551762682
(2019-Jul-29.09755176)
7.7447e-05 TDB
period 1217.003614828754
3.33
7.3052e-06
2e-08
d
yr
n .295808488663081 1.7756e-09 deg/d
Q 2.464797429003646 9.8635e-09 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      8770 days (24.01 yr)  
   first obs. used      1996-10-11  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52665  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:39  

Additional Information
 Earth MOID = .986274 au 
 Jupiter MOID = 2.79658 au 
 T_jup = 3.634 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457102.5 (2015-Mar-21.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054057792694491 4.0709e-08  
q 1.995324826521712 9.2588e-08 au
tp 2457477.489193638395
(2016-Mar-29.98919364)
7.9487e-05 TDB
node 32.26040399174246 0.00010259 deg
peri 295.1906513018675 0.00010537 deg
i 2.058193566984771 5.3252e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      8770 days (24.01 yr)  
   first obs. used      1996-10-11  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52665  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:39  

Additional Information
 Jupiter MOID = 2.79658 au 
 T_jup = 3.634 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.65718697080736E-15 -3.755385630239309E-15 1.468966066438904E-12 -5.264529282484076E-15 4.406482498452117E-13 -7.241865658526139E-16
q -3.755385630239309E-15 8.572611814193154E-15 -3.52776599650225E-12 1.177043375036442E-14 -1.063622341583919E-12 1.705882855757064E-15
tp 1.468966066438904E-12 -3.52776599650225E-12 6.318193881112305E-9 -9.579858922318088E-13 1.917098941702578E-9 -1.595106894884008E-12
node -5.264529282484076E-15 1.177043375036442E-14 -9.579858922318088E-13 1.052549418976109E-8 -1.051853055893898E-8 -1.485315072977684E-10
peri 4.406482498452117E-13 -1.063622341583919E-12 1.917098941702578E-9 -1.051853055893898E-8 1.110211696716199E-8 1.479598798853972E-10
i -7.241865658526139E-16 1.705882855757064E-15 -1.595106894884008E-12 -1.485315072977684E-10 1.479598798853972E-10 2.835805952991422E-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 MPO344829  

74709 (1999 RU151)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 RU151 = 1996 TF36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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