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227172 (2005 QP41)
Classification: Main-belt Asteroid          SPK-ID: 2227172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166955329086044 4.0338e-08  
a 2.371784458161088 1.0417e-08 au
q 1.975802403427639 9.3396e-08 au
i 4.787702699316349 5.2997e-06 deg
node 198.6517303966876 5.0959e-05 deg
peri 147.2377498986905 5.3962e-05 deg
M 66.31624930232613 1.8305e-05 deg
tp 2458954.730090275551
(2020-Apr-15.23009028)
6.6894e-05 TDB
period 1334.170258897593
3.65
8.7893e-06
2.406e-08
d
yr
n .2698306288864984 1.7776e-09 deg/d
Q 2.767766512894537 1.2156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      9652 days (26.43 yr)  
   first obs. used      1994-09-05  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:43  

Additional Information
 Earth MOID = .969196 au 
 Jupiter MOID = 2.65665 au 
 T_jup = 3.521 
[ 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 17.2   n/a MPO475859  

227172 (2005 QP41)          Discovered 2005-Aug-26 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 QP41 = 1994 RP25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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