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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0307306273678654 1.5426e-08  
a 2.835633418263327 9.8355e-09 au
q 2.74849262433481 4.3078e-08 au
i 1.373484543140633 5.3324e-07 deg
node 208.4469223480676 2.9421e-05 deg
peri 64.04844514573858 5.861e-05 deg
M 68.30503656065265 3.6318e-05 deg
tp 2458869.579415218491
(2020-Jan-21.07941522)
0.00017614 TDB
period 1744.10872931103
4.78
9.0743e-06
2.484e-08
d
yr
n .2064091498138477 1.0739e-09 deg/d
Q 2.922774212191843 1.0138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2911  
   data-arc span      18170 days (49.75 yr)  
   first obs. used      1971-04-16  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:44:22  

Additional Information
 Earth MOID = 1.73074 au 
 Jupiter MOID = 2.09072 au 
 T_jup = 3.310 
[ 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 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

[ show close-approach data ]
Alternate Designations
 1997 VD4 = 1985 DV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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