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14997 (1997 VD4)
Classification: Main-belt Asteroid          SPK-ID: 2014997
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03062781384376753 1.5452e-08  
a 2.834515589114882 9.6936e-09 au
q 2.747700573314214 4.3066e-08 au
i 1.373930727550999 5.3339e-07 deg
node 208.436905085857 2.9405e-05 deg
peri 63.32715401169265 5.8743e-05 deg
M 109.516642599113 3.6462e-05 deg
tp 2458866.233339880126
(2020-Jan-17.73333988)
0.00017682 TDB
period 1743.077518746915
4.77
8.9416e-06
2.448e-08
d
yr
n .2065312621660115 1.0595e-09 deg/d
Q 2.921330604915549 9.9905e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2916  
   data-arc span      18334 days (50.20 yr)  
   first obs. used      1971-04-16  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:22:49  

Additional Information
 Earth MOID = 1.73168 au 
 Jupiter MOID = 2.08989 au 
 T_jup = 3.311 
[ 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 12.83   n/a E2021B10  
rotation period rot_per 72.913 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

14997 (1997 VD4)          Discovered 1997-Nov-01 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 VD4 = 1985 DV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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