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321675 (2010 DF12)
Classification: Main-belt Asteroid          SPK-ID: 2321675
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021807484784574 7.3085e-08  
a 2.647592577244447 3.2444e-08 au
q 2.112300328311157 1.9927e-07 au
i 13.97874541705302 6.87e-06 deg
node 113.0820396926997 2.372e-05 deg
peri 220.7879782225944 2.7193e-05 deg
M 355.8927025598331 1.2144e-05 deg
tp 2459218.452660284108
(2021-Jan-03.95266028)
5.3212e-05 TDB
period 1573.530477504514
4.31
2.8924e-05
7.919e-08
d
yr
n .2287848917746605 4.2054e-09 deg/d
Q 3.182884826177737 3.9004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7125 days (19.51 yr)  
   first obs. used      2000-12-29  
   last obs. used      2020-07-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:06:28  

Additional Information
 Earth MOID = 1.11843 au 
 Jupiter MOID = 2.20727 au 
 T_jup = 3.321 
[ 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 15.71   n/a E2021B25  

321675 (2010 DF12)          Discovered 2000-Dec-29 by Spacewatch at Kitt Peak
Reference: 20120308/Numbers.arcLast Updated: 2012-03-13

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