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216031 (2005 YA128)
Classification: Main-belt Asteroid          SPK-ID: 2216031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693232880348289 4.3551e-08  
a 2.225191588724631 9.0313e-09 au
q 1.848414832414332 9.7687e-08 au
i 2.115325714892688 4.1097e-06 deg
node 328.670885304248 0.00012713 deg
peri 98.98768608488655 0.00012792 deg
M 210.6550615892463 1.367e-05 deg
tp 2459703.464749785450
(2022-May-03.96474979)
4.7555e-05 TDB
period 1212.410088012223
3.32
7.3812e-06
2.021e-08
d
yr
n .2969292350496926 1.8077e-09 deg/d
Q 2.60196834503493 1.0561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      6876 days (18.83 yr)  
   first obs. used      2001-08-26  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:53:11  

Additional Information
 Earth MOID = .863239 au 
 Jupiter MOID = 2.68197 au 
 T_jup = 3.627 
[ 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 17.46   n/a E2021B55  

216031 (2005 YA128)          Discovered 2005-Dec-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2005 YA128 = 2003 FF127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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