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JPL Small-Body Database Browser
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212305 (2005 NT78)
Classification: Main-belt Asteroid          SPK-ID: 2212305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3295590275688691 5.975e-08  
a 2.665683445150996 1.4168e-08 au
q 1.787183401160601 1.5854e-07 au
i 7.752282050569535 8.4409e-06 deg
node 164.7964082144328 4.6607e-05 deg
peri 128.7432867511209 4.9338e-05 deg
M 64.79014148967254 1.3215e-05 deg
tp 2458314.400092912613
(2018-Jul-14.90009291)
5.7081e-05 TDB
period 1589.685779091513
4.35
1.2674e-05
3.47e-08
d
yr
n .2264598480623861 1.8055e-09 deg/d
Q 3.544183489141391 1.8837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      6236 days (17.07 yr)  
   first obs. used      2001-10-10  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6089  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:05:22  

Additional Information
 Earth MOID = .783023 au 
 Jupiter MOID = 1.75084 au 
 T_jup = 3.291 
[ 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 16.7   n/a MPO454524  

212305 (2005 NT78)          Discovered 2005-Jul-12 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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