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JPL Small-Body Database Browser
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71050 (1999 XY88)
Classification: Main-belt Asteroid          SPK-ID: 2071050
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01869068636391724 4.2281e-08  
a 3.06464806331976 2.8362e-08 au
q 3.007367687552464 1.3261e-07 au
i 10.96928767596363 4.9504e-06 deg
node 98.39498446310343 3.2095e-05 deg
peri 352.6536802938843 0.00018347 deg
M 223.5703128895288 0.00018156 deg
tp 2459343.135527321963
(2021-May-08.63552732)
0.00099197 TDB
period 1959.608612306106
5.37
2.7203e-05
7.448e-08
d
yr
n .1837101540273111 2.5503e-09 deg/d
Q 3.121928439087055 2.8892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7702 days (21.09 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:23:52  

Additional Information
 Earth MOID = 2.0244 au 
 Jupiter MOID = 1.99393 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456962.5 (2014-Nov-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01606233931537375 4.1211e-08  
q 3.016676935672955 1.3045e-07 au
tp 2457342.573790867968
(2015-Nov-16.07379087)
0.0011644 TDB
node 98.57387917801859 3.2163e-05 deg
peri 345.3071671681191 0.0002163 deg
i 10.95600566313771 4.9467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7702 days (21.09 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:23:52  

Additional Information
 Jupiter MOID = 1.99393 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.698371601072887E-15 -5.249778533753676E-15 2.584545320924946E-12 -9.077906121002777E-16 4.673005513148918E-13 6.583453341495286E-16
q -5.249778533753676E-15 1.701637045258958E-14 3.557492767512806E-12 4.985078564876629E-16 6.53244160472902E-13 -5.687182657858147E-16
tp 2.584545320924946E-12 3.557492767512806E-12 1.355870749109285E-6 -1.975886292490903E-10 2.491209317440299E-7 5.678355228564511E-12
node -9.077906121002777E-16 4.985078564876629E-16 -1.975886292490903E-10 1.034453571191053E-9 -1.051754210923275E-9 3.286137667183572E-11
peri 4.673005513148918E-13 6.53244160472902E-13 2.491209317440299E-7 -1.051754210923275E-9 4.678449935568685E-8 -3.131611393376625E-11
i 6.583453341495286E-16 -5.687182657858147E-16 5.678355228564511E-12 3.286137667183572E-11 -3.131611393376625E-11 2.447028034102709E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO453115  
diameter diameter 5.533 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.145   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71050 (1999 XY88)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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