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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1048897331445201 4.0524e-08  
a 2.230808518592278 8.9004e-09 au
q 1.996819608380612 9.206e-08 au
i 2.056506522755282 5.3023e-06 deg
node 32.23670231459604 0.00010265 deg
peri 294.9524751490642 0.00010542 deg
M 90.78434945314449 2.2656e-05 deg
tp 2458693.597551513212
(2019-Jul-29.09755151)
7.7118e-05 TDB
period 1217.003614838557
3.33
7.2833e-06
1.994e-08
d
yr
n .2958084886606983 1.7703e-09 deg/d
Q 2.464797428803945 9.8339e-09 au
  Orbit Determination Parameters
   # obs. used (total)      709  
   data-arc span      8800 days (24.09 yr)  
   first obs. used      1996-10-11  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:01:04  

Additional Information
 Earth MOID = .986274 au 
 Jupiter MOID = 2.79658 au 
 T_jup = 3.634 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457112.5 (2015-Mar-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054103000557891 4.0637e-08  
q 1.995312387871983 9.2396e-08 au
tp 2457477.486319468067
(2016-Mar-29.98631947)
7.9115e-05 TDB
node 32.26040445933198 0.00010254 deg
peri 295.1904924446644 0.00010529 deg
i 2.05819238236758 5.3048e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      709  
   data-arc span      8800 days (24.09 yr)  
   first obs. used      1996-10-11  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:01:04  

Additional Information
 Jupiter MOID = 2.79658 au 
 T_jup = 3.634 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.651399076286867E-15 -3.741030747947685E-15 1.450484437535748E-12 -5.34028095166326E-15 4.347539281149463E-13 -7.086892061642922E-16
q -3.741030747947685E-15 8.536966627050979E-15 -3.481643931046092E-12 1.195818136793313E-14 -1.048902562330368E-12 1.668579037185366E-15
tp 1.450484437535748E-12 -3.481643931046092E-12 6.259257987249789E-9 -1.098539695688692E-12 1.898188162894494E-9 -1.559957013213065E-12
node -5.34028095166326E-15 1.195818136793313E-14 -1.098539695688692E-12 1.051523382393104E-8 -1.050832113571281E-8 -1.470374586764918E-10
peri 4.347539281149463E-13 -1.048902562330368E-12 1.898188162894494E-9 -1.050832113571281E-8 1.108579846880514E-8 1.464778926161023E-10
i -7.086892061642922E-16 1.668579037185366E-15 -1.559957013213065E-12 -1.470374586764918E-10 1.464778926161023E-10 2.814085053971213E-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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