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102959 (1999 XX64)
Classification: Main-belt Asteroid          SPK-ID: 2102959
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183294163563613 5.3453e-08  
a 2.430484121417127 1.0396e-08 au
q 1.984990567327332 1.3039e-07 au
i .6354875034767168 5.8062e-06 deg
node 221.1992152017092 0.00031145 deg
peri 186.7166510664862 0.00031167 deg
M 214.4074751387414 1.2107e-05 deg
tp 2459760.224330992446
(2022-Jun-29.72433099)		 4.8656e-05 TDB
period 1384.004840559632
3.79		 8.88e-06
2.431e-08		 d
yr
n .260114697181573 1.6689e-09 deg/d
Q 2.875977675506922 1.2302e-08 au
   Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      8985 days (24.60 yr)  
   first obs. used      1995-10-19  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:32  

Additional Information
 Earth MOID = .994066 au 
 Jupiter MOID = 2.50481 au 
 T_jup = 3.485 
[ 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 16.78   n/a E2021B55  

102959 (1999 XX64)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XX64 = 1995 UG22 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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