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181978 (1999 VV66)
Classification: Main-belt Asteroid          SPK-ID: 2181978
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0944136106782954 5.4005e-08  
a 3.107248499379117 2.5091e-08 au
q 2.81388194927802 1.8013e-07 au
i 10.6396562231813 4.7079e-06 deg
node 53.94509794813651 2.5921e-05 deg
peri 280.3743915356885 3.6838e-05 deg
M 13.11590049455762 2.3978e-05 deg
tp 2459127.611666673985
(2020-Oct-05.11166667)
0.00013344 TDB
period 2000.609871068596
5.48
2.4232e-05
6.634e-08
d
yr
n .1799451283361465 2.1795e-09 deg/d
Q 3.400615049480214 2.7459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7647 days (20.94 yr)  
   first obs. used      1999-10-07  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:50  

Additional Information
 Earth MOID = 1.82833 au 
 Jupiter MOID = 1.96532 au 
 T_jup = 3.187 
[ 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 14.98   n/a E2021B55  

181978 (1999 VV66)          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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