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JPL Small-Body Database Browser
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71045 (1999 XY84)
Classification: Main-belt Asteroid          SPK-ID: 2071045
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101528624217269 4.9468e-08  
a 2.763160640448728 1.2956e-08 au
q 2.182474522527376 1.351e-07 au
i 1.394646821058228 5.2815e-06 deg
node 221.7826931237957 0.00017774 deg
peri 180.1611166213866 0.00017816 deg
M 114.1924630691582 1.0405e-05 deg
tp 2458068.339583232317
(2017-Nov-10.83958323)
4.8028e-05 TDB
period 1677.674207975887
4.59
1.18e-05
3.231e-08
d
yr
n .2145827826931546 1.5092e-09 deg/d
Q 3.343846758370081 1.5679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      928  
   data-arc span      12168 days (33.31 yr)  
   first obs. used      1985-12-17  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53667  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:25:29  

Additional Information
 Earth MOID = 1.19047 au 
 Jupiter MOID = 2.06717 au 
 T_jup = 3.308 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO436279  

71045 (1999 XY84)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XY84 = 1985 YL1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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