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43160 (1999 XY122)
Classification: Main-belt Asteroid          SPK-ID: 2043160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04248640549502961 4.3667e-08  
a 2.999445836160556 1.6187e-08 au
q 2.872010164105061 1.3261e-07 au
i 9.043641150553809 3.9855e-06 deg
node 304.03397513995 2.6658e-05 deg
peri 249.3298804231965 5.4498e-05 deg
M 239.9197845660456 4.9713e-05 deg
tp 2459833.391000673779
(2022-Sep-10.89100067)
0.00026416 TDB
period 1897.404659203627
5.19
1.5359e-05
4.205e-08
d
yr
n .1897328533761997 1.5358e-09 deg/d
Q 3.126881508216052 1.6874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1654  
   data-arc span      8234 days (22.54 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:46  

Additional Information
 Earth MOID = 1.8878 au 
 Jupiter MOID = 1.93016 au 
 T_jup = 3.233 
[ 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 13.49   n/a MPCxxxxx  

43160 (1999 XY122)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XY122 = 1998 RP16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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