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214889 (2007 RM284)
Classification: Main-belt Asteroid          SPK-ID: 2214889
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2337162916900813 7.0805e-08  
a 2.662258661248213 2.6153e-08 au
q 2.04004543942148 1.9328e-07 au
i 12.25261097620699 7.508e-06 deg
node 190.4186863137318 3.5847e-05 deg
peri 272.6582767619203 4.2949e-05 deg
M 270.1489356092299 1.6099e-05 deg
tp 2459396.499397565708
(2021-Jun-30.99939757)
7.1259e-05 TDB
period 1586.623197958454
4.34
2.3379e-05
6.401e-08
d
yr
n .226896972427493 3.3434e-09 deg/d
Q 3.284471883074945 3.2265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      6671 days (18.26 yr)  
   first obs. used      2000-02-07  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:16:39  

Additional Information
 Earth MOID = 1.09916 au 
 Jupiter MOID = 2.05647 au 
 T_jup = 3.314 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO450014  

214889 (2007 RM284)          Discovered 2007-Sep-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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