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JPL Small-Body Database Browser
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56312 (1999 RM224)
Classification: Outer Main-belt Asteroid          SPK-ID: 2056312
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09721515577242983 4.1044e-08  
a 3.250921327916008 2.8359e-08 au
q 2.934882504618739 1.3853e-07 au
i 10.82084701279769 7.2624e-06 deg
node 18.07389224869289 2.3304e-05 deg
peri 284.3010737622594 4.4446e-05 deg
M 155.6681895514845 3.667e-05 deg
tp 2457674.724911598593
(2016-Oct-13.22491160)
0.00022107 TDB
period 2140.957846203257
5.86
2.8015e-05
7.67e-08
d
yr
n .1681490369548465 2.2002e-09 deg/d
Q 3.566960151213277 3.1116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      10225 days (27.99 yr)  
   first obs. used      1991-03-07  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:24:25  

Additional Information
 Earth MOID = 1.94444 au 
 Jupiter MOID = 1.74866 au 
 T_jup = 3.146 
[ 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 13.4   n/a MPO337705  

56312 (1999 RM224)          Discovered 1999-Sep-07 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RM224 = 2000 UD99 = 2000 WQ155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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