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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 
[ show covariance matrix ]

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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1990-Oct-04 21:33 < 00:01 Eunom 0.0278734865034172 0.027872802738558 0.0278741703472695 4.62018614303879 4.62018603403462 2448169.397733314 0.683710043050541 209.620938177702 31.8206698344971 -86.6316511963746 130715.221434107 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:42:42 2020-Nov-12 21:42
2124-Jan-04 18:44 00:03 Eunom 0.0367717150431247 0.0367490133200535 0.0367944194906063 4.53951685402418 4.53951676992914 2496838.280620896 2.70560166064452 1236.24771036511 28.9240238417344 -23.8013752522209 76795.4356502177 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 21:42:42 2020-Nov-12 21:42

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