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JPL Small-Body Database Browser
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277949 (2006 RE4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2277949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06642114838692161 5.1038e-08  
a 1.97662869121075 1.0603e-08 au
q 1.845338743605994 1.0372e-07 au
i 23.00918054026702 1.1212e-05 deg
node 175.3140555986653 1.6575e-05 deg
peri 70.57143311816337 9.9132e-05 deg
M 293.4353532888633 9.8614e-05 deg
tp 2458788.183978025645
(2019-Oct-31.68397803)
0.00027816 TDB
period 1015.046806789825
2.78
8.1675e-06
2.236e-08
d
yr
n .3546634476281262 2.8538e-09 deg/d
Q 2.107918638815506 1.1308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      4598 days (12.59 yr)  
   first obs. used      2006-08-29  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64004  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:44:44  

Additional Information
 Earth MOID = .907208 au 
 Jupiter MOID = 2.92202 au 
 T_jup = 3.765 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456995.5 (2014-Dec-04.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06655292451517267 5.0969e-08  
q 1.845307604135557 1.0361e-07 au
tp 2456757.858871551297
(2014-Apr-10.35887155)
0.00027717 TDB
node 175.3239036531749 1.6574e-05 deg
peri 70.57883323544903 9.9048e-05 deg
i 23.00886197541271 1.1213e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      4598 days (12.59 yr)  
   first obs. used      2006-08-29  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64004  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:44:44  

Additional Information
 Jupiter MOID = 2.92202 au 
 T_jup = 3.765 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.597844415894687E-15 -5.258094301518806E-15 -6.577361529220203E-13 -1.055818820648954E-14 -1.911312320711931E-13 1.409177176713633E-14
q -5.258094301518806E-15 1.073487745943779E-14 1.339080768816541E-12 2.117280898451409E-14 3.866800488669218E-13 -2.951398318458236E-14
tp -6.577361529220203E-13 1.339080768816541E-12 7.682573145606727E-8 -1.23488051265931E-10 2.708805836718766E-8 1.253050591100872E-10
node -1.055818820648954E-14 2.117280898451409E-14 -1.23488051265931E-10 2.746832600798283E-10 -2.958149828179288E-10 -7.375466616137687E-11
peri -1.911312320711931E-13 3.866800488669218E-13 2.708805836718766E-8 -2.958149828179288E-10 9.810408575050738E-9 1.13982319875181E-10
i 1.409177176713633E-14 -2.951398318458236E-14 1.253050591100872E-10 -7.375466616137687E-11 1.13982319875181E-10 1.257366918612909E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO376868  

277949 (2006 RE4)          Discovered 2006-Sep-12 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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