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226791 (2004 RH177)
Classification: Main-belt Asteroid          SPK-ID: 2226791
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131812785203242 6.8198e-08  
a 2.735023930478463 2.1317e-08 au
q 2.425470425243228 1.8274e-07 au
i 8.586513186749926 5.5919e-06 deg
node 284.0482541470328 3.7976e-05 deg
peri 72.22506712860795 4.626e-05 deg
M 166.461657916959 3.1546e-05 deg
tp 2458236.573038824289
(2018-Apr-28.07303882)
0.00014089 TDB
period 1652.11442361369
4.52
1.9315e-05
5.288e-08
d
yr
n .2179025828081372 2.5476e-09 deg/d
Q 3.044577435713697 2.373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7095 days (19.43 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:01  

Additional Information
 Earth MOID = 1.4371 au 
 Jupiter MOID = 2.39282 au 
 T_jup = 3.327 
[ 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 15.8   n/a MPO413101  

226791 (2004 RH177)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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