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43948 (1997 AU12)
Classification: Main-belt Asteroid          SPK-ID: 2043948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0402476391849564 3.596e-08  
a 2.302060231011589 6.9636e-09 au
q 2.209407741451797 8.5465e-08 au
i 6.177335267305481 3.5321e-06 deg
node 322.9905879713473 3.7484e-05 deg
peri 138.1280045523547 7.8521e-05 deg
M 324.9400942033931 6.5866e-05 deg
tp 2459324.745793598222
(2021-Apr-20.24579360)
0.00023332 TDB
period 1275.773128280589
3.49
5.7887e-06
1.585e-08
d
yr
n .2821818331329699 1.2804e-09 deg/d
Q 2.394712720571381 7.2438e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1690  
   data-arc span      8833 days (24.18 yr)  
   first obs. used      1997-01-10  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:28:00  

Additional Information
 Earth MOID = 1.23003 au 
 Jupiter MOID = 2.64777 au 
 T_jup = 3.582 
[ 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 14.71   n/a E2021B10  

43948 (1997 AU12)          Discovered 1997-Jan-10 by Kobayashi, T. at Oizumi
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AU12 = 1999 VS48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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