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144898 (2004 VD17)
Classification: Apollo [NEO, PHA]          SPK-ID: 2144898
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 206 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5887199638247196 2.0534e-08  
a 1.507823027968509 2.2669e-09 au
q .6201375094888094 3.1693e-08 au
i 4.224262576803078 3.4766e-06 deg
node 224.0257750100478 1.93e-05 deg
peri 90.92929777326808 1.899e-05 deg
M 321.6730667306027 6.6215e-06 deg
tp 2458672.498849089317
(2019-Jul-07.99884909)
1.2547e-05 TDB
period 676.2760143100173
1.85
1.5251e-06
4.175e-09
d
yr
n .5323270268091593 1.2005e-09 deg/d
Q 2.395508546448209 3.6014e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1253  
   data-arc span      6500 days (17.80 yr)  
   first obs. used      2002-02-16  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40408  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:12:09  

Additional Information
 Earth MOID = .0016872 au 
 Jupiter MOID = 2.93747 au 
 T_jup = 4.319 
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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 18.8   n/a MPO214636  
rotation period rot_per 1.99 h n/a LCDB (Rev. 2019-January); 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:
[De Luise, F.; Perna, D.; Dotto, E.; Fornasier, S.; et al. (2007) Icarus 191, 628-635.]

144898 (2004 VD17)          Discovered 2004-Nov-07 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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