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80416 (1999 XN202)
Classification: Main-belt Asteroid          SPK-ID: 2080416
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05610286576874975 5.4559e-08  
a 2.341770407448803 1.2419e-08 au
q 2.210390376618472 1.3265e-07 au
i 7.030780876587993 5.7804e-06 deg
node 341.2021338851903 3.8427e-05 deg
peri 159.996889046192 6.4162e-05 deg
M 214.275112226275 5.0906e-05 deg
tp 2459530.341688468726
(2021-Nov-11.84168847)
0.00018601 TDB
period 1308.925405692666
3.58
1.0413e-05
2.851e-08
d
yr
n .2750347716029645 2.1879e-09 deg/d
Q 2.473150438279133 1.3116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      8106 days (22.19 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53258  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:19:38  

Additional Information
 Earth MOID = 1.22362 au 
 Jupiter MOID = 2.5208 au 
 T_jup = 3.552 
[ 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 15.9   n/a MPO436342  

80416 (1999 XN202)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XN202 = 2002 TD270 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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