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227156 (2005 QY8)
Classification: Main-belt Asteroid          SPK-ID: 2227156
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198173479285485 4.2332e-08  
a 2.377048433477252 9.6329e-09 au
q 1.854531950932572 9.873e-08 au
i 2.700687684305899 4.1229e-06 deg
node 142.6827019465036 0.00011049 deg
peri 189.8108845776383 0.00011123 deg
M 69.01023067047154 1.3831e-05 deg
tp 2458943.894210093347
(2020-Apr-04.39421009)
5.0576e-05 TDB
period 1338.614339770961
3.66
8.137e-06
2.228e-08
d
yr
n .2689348151324873 1.6348e-09 deg/d
Q 2.899564916021932 1.175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1998-12-11  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:39  

Additional Information
 Earth MOID = .84226 au 
 Jupiter MOID = 2.4699 au 
 T_jup = 3.506 
[ 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 17.40   n/a MPCxxxxx  

227156 (2005 QY8)          Discovered 2005-Aug-25 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 QY8 = 2005 ML1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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