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226818 (2004 RM245)
Classification: Main-belt Asteroid          SPK-ID: 2226818
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04495918880838847 5.914e-08  
a 2.768180828011755 2.4119e-08 au
q 2.643725663509413 1.5481e-07 au
i 6.365470016875397 6.2921e-06 deg
node 10.16278303329854 4.6647e-05 deg
peri 24.51401932196191 8.7604e-05 deg
M 109.2494345144811 7.1466e-05 deg
tp 2458489.986996699966
(2019-Jan-06.48699670)
0.00033546 TDB
period 1682.248352174777
4.61
2.1986e-05
6.019e-08
d
yr
n .2139993179571847 2.7968e-09 deg/d
Q 2.892635992514097 2.5203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      8898 days (24.36 yr)  
   first obs. used      1995-09-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:41  

Additional Information
 Earth MOID = 1.65025 au 
 Jupiter MOID = 2.29519 au 
 T_jup = 3.328 
[ 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 16.7   n/a MPO454629  

226818 (2004 RM245)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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