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JPL Small-Body Database Browser
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214873 (2007 RM18)
Classification: Inner Main-belt Asteroid          SPK-ID: 2214873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05847048152234974 6.5465e-08  
a 1.935151207997928 1.1489e-08 au
q 1.822001985047732 1.2642e-07 au
i 21.61475079629737 9.6984e-06 deg
node 181.5233086509556 1.3247e-05 deg
peri 317.8483002476352 6.7873e-05 deg
M 330.7790487658452 6.7344e-05 deg
tp 2458680.310978185709
(2019-Jul-15.81097819)
0.00018387 TDB
period 983.2654630788335
2.69
8.7566e-06
2.397e-08
d
yr
n .366126965217263 3.2606e-09 deg/d
Q 2.048300430948124 1.2161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      7573 days (20.73 yr)  
   first obs. used      1998-04-15  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59573  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:29:31  

Additional Information
 Earth MOID = .848206 au 
 Jupiter MOID = 2.94507 au 
 T_jup = 3.821 
[ 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 17.4   n/a MPO401686  

214873 (2007 RM18)          Discovered 2007-Sep-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2007 RM18 = 1999 RA191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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