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181980 (1999 VZ69)
Classification: Main-belt Asteroid          SPK-ID: 2181980
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013419739003004 5.188e-08  
a 2.366556976150576 1.072e-08 au
q 1.890069723224892 1.2725e-07 au
i 1.620662202491126 4.3151e-06 deg
node 235.2762113722442 0.00018243 deg
peri 147.3284189136841 0.00018278 deg
M 303.8336993641837 1.221e-05 deg
tp 2459407.966124126945
(2021-Jul-12.46612413)
4.5843e-05 TDB
period 1329.761865036788
3.64
9.0356e-06
2.474e-08
d
yr
n .2707251647572557 1.8396e-09 deg/d
Q 2.843044229076259 1.2879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      7576 days (20.74 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:51  

Additional Information
 Earth MOID = .892271 au 
 Jupiter MOID = 2.6173 au 
 T_jup = 3.519 
[ 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 17.42   n/a E2021B55  

181980 (1999 VZ69)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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