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14321 (1978 VT9)
Classification: Main-belt Asteroid          SPK-ID: 2014321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001101258702674 4.3969e-08  
a 2.229398018832922 8.4733e-09 au
q 1.783272900669341 9.7609e-08 au
i 3.844803904466486 4.2421e-06 deg
node 55.33470568107911 6.4123e-05 deg
peri 289.200903344601 6.5146e-05 deg
M 289.2851364845446 1.6791e-05 deg
tp 2459439.329544242279
(2021-Aug-12.82954424)
5.7732e-05 TDB
period 1215.84956334433
3.33
6.9316e-06
1.898e-08
d
yr
n .2960892620710245 1.688e-09 deg/d
Q 2.675523136996502 1.0169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      15735 days (43.08 yr)  
   first obs. used      1977-04-24  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:25:07  

Additional Information
 Earth MOID = .778721 au 
 Jupiter MOID = 2.73816 au 
 T_jup = 3.614 
[ 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 15.62   n/a E2021B10  

14321 (1978 VT9)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 VT9 = 1991 RM20 = 1998 UZ31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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