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541921 (2012 DF44)
Classification: Main-belt Asteroid          SPK-ID: 2541921
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0183700487364375 6.3513e-08  
a 2.761864229082292 2.7681e-08 au
q 2.711128648590627 1.7846e-07 au
i 5.357131172523466 5.5962e-06 deg
node 91.38060447095015 6.4099e-05 deg
peri 128.6304115884047 0.00016497 deg
M 287.5551805043244 0.00015243 deg
tp 2459537.870223301171
(2021-Nov-19.37022330)
0.0007106 TDB
period 1676.493657295555
4.59
2.5204e-05
6.9e-08
d
yr
n .214733887261307 3.2283e-09 deg/d
Q 2.812599809573958 2.819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      8892 days (24.34 yr)  
   first obs. used      1996-12-01  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:48  

Additional Information
 Earth MOID = 1.70234 au 
 Jupiter MOID = 2.1601 au 
 T_jup = 3.334 
[ 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 17.05   .35523 MPCxxxxx autocmod 2.8

541921 (2012 DF44)          Discovered 1996-Dec-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2012 DF44 = 1996 XV6 = 2016 CU158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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