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447776 (2007 RU92)
Classification: Main-belt Asteroid          SPK-ID: 2447776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2717257957948074 7.0363e-07  
a 2.482789159400469 1.0973e-07 au
q 1.808151299271656 1.668e-06 au
i 1.120114157649325 8.11e-06 deg
node 173.8074631799462 0.00056815 deg
peri 205.4911468192943 0.00058965 deg
M 79.30971725006489 9.7921e-05 deg
tp 2458685.701910227446
(2019-Jul-21.20191023)
0.00037951 TDB
period 1428.920897054727
3.91
9.4733e-05
2.594e-07
d
yr
n .2519383688362506 1.6703e-08 deg/d
Q 3.157427019529282 1.3955e-07 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-10-15  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66782  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:00:51  

Additional Information
 Earth MOID = .810561 au 
 Jupiter MOID = 2.3038 au 
 T_jup = 3.425 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456796.5 (2014-May-19.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .272848486778323 7.1378e-07  
q 1.804774802621535 1.6992e-06 au
tp 2457253.351746465182
(2015-Aug-18.85174647)
0.00033874 TDB
node 173.7832987245426 0.00056962 deg
peri 204.9428480608026 0.00059067 deg
i 1.116842210876877 8.096e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-10-15  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66782  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:00:51  

Additional Information
 Jupiter MOID = 2.3038 au 
 T_jup = 3.425 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.094829771944061E-13 -1.212803731259997E-12 2.80007256823819E-11 4.722032329972881E-12 -3.863000042469585E-11 -4.62453232682471E-13
q -1.212803731259997E-12 2.887313840868395E-12 -6.221590237084749E-11 -1.134645552012522E-11 9.386988903029884E-11 1.095127284474075E-12
tp 2.80007256823819E-11 -6.221590237084749E-11 1.147480879299188E-7 -2.651441080555381E-9 4.743446961038882E-8 -1.745281216219003E-10
node 4.722032329972881E-12 -1.134645552012522E-11 -2.651441080555381E-9 3.244669532532445E-7 -3.259236542661819E-7 3.193443725247449E-9
peri -3.863000042469585E-11 9.386988903029884E-11 4.743446961038882E-8 -3.259236542661819E-7 3.488853540543522E-7 -3.223562494354422E-9
i -4.62453232682471E-13 1.095127284474075E-12 -1.745281216219003E-10 3.193443725247449E-9 -3.223562494354422E-9 6.554525126207132E-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 18.3   n/a MPO218056  

447776 (2007 RU92)          Discovered 2007-Sep-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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