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277253 (2005 RX45)
Classification: Main-belt Asteroid          SPK-ID: 2277253
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359029029036395 1.7212e-07  
a 2.303050646731802 1.0093e-08 au
q 1.990059378306845 3.9543e-07 au
i 7.385285321671096 1.1942e-05 deg
node 144.9182344407261 0.00010848 deg
peri 190.7226192845921 0.00011998 deg
M 100.8502412149095 5.3291e-05 deg
tp 2458642.874810894484
(2019-Jun-08.37481089)
0.0001887 TDB
period 1276.596530925822
3.50
8.392e-06
2.298e-08
d
yr
n .2819998263185929 1.8538e-09 deg/d
Q 2.616041915156758 1.1465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5674 days (15.53 yr)  
   first obs. used      2004-04-16  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:22:55  

Additional Information
 Earth MOID = .980515 au 
 Jupiter MOID = 2.7348 au 
 T_jup = 3.567 
[ 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 17.5   n/a MPO494502  

277253 (2005 RX45)          Discovered 2005-Sep-14 by Becker, A. C. at Apache Point
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 RX45 = 2007 EX44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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