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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 ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049604633755626 3.8412e-08  
a 2.230963908206356 7.8063e-09 au
q 1.996800902626861 8.6092e-08 au
i 2.056478420323297 4.3442e-06 deg
node 32.22647413536037 0.00010219 deg
peri 295.0945561929588 0.00010383 deg
M 207.7556189874967 1.8646e-05 deg
tp 2459911.225892834797
(2022-Nov-27.72589283)
6.3168e-05 TDB
period 1217.130774798898
3.33
6.3883e-06
1.749e-08
d
yr
n .2957775840147346 1.5524e-09 deg/d
Q 2.465126913785851 8.6257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      8973 days (24.57 yr)  
   first obs. used      1996-10-11  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:55:49  

Additional Information
 Earth MOID = .98556 au 
 Jupiter MOID = 2.79499 au 
 T_jup = 3.634 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457447.5 (2016-Feb-29.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055418946718944 3.8422e-08  
q 1.995295762234979 8.6172e-08 au
tp 2457477.304190971629
(2016-Mar-29.80419097)
6.3257e-05 TDB
node 32.25867830397323 0.00010208 deg
peri 295.1342806050549 0.00010371 deg
i 2.058155133967437 4.3461e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      8973 days (24.57 yr)  
   first obs. used      1996-10-11  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:55:49  

Additional Information
 Jupiter MOID = 2.79499 au 
 T_jup = 3.634 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.476238809478176E-15 -3.300088507241881E-15 8.244890817351136E-13 -7.421857786294222E-15 2.341772362370938E-13 1.567834580165117E-16
q -3.300088507241881E-15 7.425688061946072E-15 -1.899647237265498E-12 1.676633119613298E-14 -5.41280523426139E-13 -3.230468083378208E-16
tp 8.244890817351136E-13 -1.899647237265498E-12 4.001428117648624E-9 -3.186933549032645E-12 1.169059122384648E-9 -5.028259018149155E-13
node -7.421857786294222E-15 1.676633119613298E-14 -3.186933549032645E-12 1.042048925804304E-8 -1.041427191677942E-8 -1.228653331860807E-10
peri 2.341772362370938E-13 -5.41280523426139E-13 1.169059122384648E-9 -1.041427191677942E-8 1.075554744345169E-8 1.226416615455052E-10
i 1.567834580165117E-16 -3.230468083378208E-16 -5.028259018149155E-13 -1.228653331860807E-10 1.226416615455052E-10 1.888855931313567E-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 16.28   n/a MPCxxxxx  

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

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