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JPL Small-Body Database Browser
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268525 (2005 YX221)
Classification: Main-belt Asteroid          SPK-ID: 2268525
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028957930646071 7.7483e-08  
a 2.731074862117645 3.082e-08 au
q 2.450058748261237 2.2143e-07 au
i 6.036719984835981 7.5048e-06 deg
node 75.10113011053598 8.4344e-05 deg
peri 349.4967223207744 9.409e-05 deg
M 3.766315639919375 4.1751e-05 deg
tp 2458583.253020503379
(2019-Apr-09.75302050)
0.00019117 TDB
period 1648.537513153405
4.51
2.7905e-05
7.64e-08
d
yr
n .21837537643373 3.6965e-09 deg/d
Q 3.012090975974052 3.3991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6191 days (16.95 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53242  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:15:25  

Additional Information
 Earth MOID = 1.46361 au 
 Jupiter MOID = 2.25932 au 
 T_jup = 3.339 
[ 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 16.3   n/a MPO460153  

268525 (2005 YX221)          Discovered 2005-Dec-21 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2005 YX221 = 2007 HQ77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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