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214444 (2005 RH4)
Classification: Main-belt Asteroid          SPK-ID: 2214444
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1360406011303534 6.7217e-08  
a 3.110138822002622 3.4344e-08 au
q 2.687033667058536 2.2572e-07 au
i 5.109034784100605 9.2814e-06 deg
node 187.126668732353 6.9045e-05 deg
peri 133.0541270359835 7.6731e-05 deg
M 284.3452298836726 3.2564e-05 deg
tp 2459421.519201814466
(2021-Jul-26.01920181)
0.00018261 TDB
period 2003.401932490935
5.49
3.3184e-05
9.085e-08
d
yr
n .1796943459829816 2.9764e-09 deg/d
Q 3.533243976946708 3.9016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      7093 days (19.42 yr)  
   first obs. used      2000-11-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58801  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:06:08  

Additional Information
 Earth MOID = 1.67774 au 
 Jupiter MOID = 1.80709 au 
 T_jup = 3.199 
[ 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 15.8   n/a MPO291586  

214444 (2005 RH4)          Discovered 2005-Sep-04 by Bickel, W. at Bergisch Gladbach
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2005 RH4 = 2000 WC28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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