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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1048960750975491 3.9356e-08  
a 2.231088940855782 8.3155e-09 au
q 1.997056467766462 8.8782e-08 au
i 2.056410620444022 4.8407e-06 deg
node 32.23089362028056 0.00010227 deg
peri 295.0395809414398 0.00010443 deg
M 149.8479641377714 2.0496e-05 deg
tp 2458693.833607468529
(2019-Jul-29.33360747)
6.973e-05 TDB
period 1217.233095964051
3.33
6.8051e-06
1.863e-08
d
yr
n .2957527208171079 1.6534e-09 deg/d
Q 2.465121413945102 9.1877e-09 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      8865 days (24.27 yr)  
   first obs. used      1996-10-11  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:58:49  

Additional Information
 Earth MOID = .984578 au 
 Jupiter MOID = 2.7958 au 
 T_jup = 3.634 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457253.5 (2015-Aug-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105472709127373 3.9408e-08  
q 1.995230901056231 8.8959e-08 au
tp 2457477.424092060563
(2016-Mar-29.92409206)
7.0793e-05 TDB
node 32.26027073818411 0.00010216 deg
peri 295.1759993806513 0.0001043 deg
i 2.058188274827628 4.8431e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      8865 days (24.27 yr)  
   first obs. used      1996-10-11  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:58:49  

Additional Information
 Jupiter MOID = 2.7958 au 
 T_jup = 3.634 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.55301359330381E-15 -3.493546607760505E-15 1.100994241416408E-12 -7.107265606548313E-15 3.232510117197518E-13 -1.930389336115586E-16
q -3.493546607760505E-15 7.913718549089783E-15 -2.598277204345641E-12 1.611541029852067E-14 -7.666406960032971E-13 4.609670558016867E-16
tp 1.100994241416408E-12 -2.598277204345641E-12 5.011652275114706E-9 -3.387083943165585E-12 1.495926167303391E-9 -7.47968214562544E-13
node -7.107265606548313E-15 1.611541029852067E-14 -3.387083943165585E-12 1.043754636390386E-8 -1.043139154387196E-8 -1.282663796164318E-10
peri 3.232510117197518E-13 -7.666406960032971E-13 1.495926167303391E-9 -1.043139154387196E-8 1.087843390428982E-8 1.279722322718678E-10
i -1.930389336115586E-16 4.609670558016867E-16 -7.47968214562544E-13 -1.282663796164318E-10 1.279722322718678E-10 2.345579378094972E-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

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