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42791 (1999 AD6)
Classification: Main-belt Asteroid          SPK-ID: 2042791
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2174888589547894 5.4337e-08  
a 2.570443530982342 1.0923e-08 au
q 2.011400700421273 1.4358e-07 au
i 8.170113586919451 3.3868e-06 deg
node 132.7092020563608 3.7752e-05 deg
peri 287.1985623496303 3.9105e-05 deg
M 212.3078499397697 1.1004e-05 deg
tp 2460014.040493023167
(2023-Mar-10.54049302)		 4.8359e-05 TDB
period 1505.256558305083
4.12		 9.5945e-06
2.627e-08		 d
yr
n .2391618877285341 1.5244e-09 deg/d
Q 3.129486361543412 1.3298e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      9152 days (25.06 yr)  
   first obs. used      1996-06-17  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:00:38  

Additional Information
 Earth MOID = 1.04166 au 
 Jupiter MOID = 2.2562 au 
 T_jup = 3.382 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.83   n/a E2021B10  

42791 (1999 AD6)          Discovered 1999-Jan-15 by Spacewatch at Kitt Peak
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AD6 = 2001 OA26 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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