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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01897347163947433 4.0094e-08  
a 3.064683008815976 2.3979e-08 au
q 3.006535332664227 1.2958e-07 au
i 10.96943962473157 4.4328e-06 deg
node 98.39521206954531 2.9118e-05 deg
peri 352.3950231003652 0.00015341 deg
M 297.3451592057714 0.00015027 deg
tp 2459341.558515723996
(2021-May-07.05851572)
0.00081854 TDB
period 1959.642129869532
5.37
2.2999e-05
6.297e-08
d
yr
n .1837070118634202 2.1561e-09 deg/d
Q 3.122830684967724 2.4434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1998-09-21  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:58:00  

Additional Information
 Earth MOID = 2.02352 au 
 Jupiter MOID = 1.99223 au 
 T_jup = 3.204 
[ 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 14.2   n/a MPO502591  
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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