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227177 (2005 QY45)
Classification: Main-belt Asteroid          SPK-ID: 2227177
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0622106453292383 4.9289e-08  
a 2.346400340590745 1.2694e-08 au
q 2.20042926120185 1.185e-07 au
i 7.354153370197035 5.3782e-06 deg
node 150.1578689439612 3.9394e-05 deg
peri 298.8435862711792 5.6774e-05 deg
M 355.1758660040156 4.2648e-05 deg
tp 2459218.092131308515
(2021-Jan-03.59213131)
0.00015557 TDB
period 1312.809154210315
3.59
1.0653e-05
2.917e-08
d
yr
n .2742211225793503 2.2253e-09 deg/d
Q 2.492371419979639 1.3484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      8182 days (22.40 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59627  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:45  

Additional Information
 Earth MOID = 1.22747 au 
 Jupiter MOID = 2.60291 au 
 T_jup = 3.547 
[ 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 17.0   n/a MPO437076  

227177 (2005 QY45)          Discovered 2005-Aug-26 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 QY45 = 2002 XQ116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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