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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 208 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5888387787561882 2.0532e-08  
a 1.5078592581208 2.2349e-09 au
q .6199732540327363 3.1693e-08 au
i 4.223993606732228 3.473e-06 deg
node 224.0053296136553 1.9293e-05 deg
peri 90.95308687885014 1.8982e-05 deg
M 281.0066867673642 7.0944e-06 deg
tp 2459348.897801280987
(2021-May-14.39780128)
1.3561e-05 TDB
period 676.3003889180274
1.85
1.5036e-06
4.117e-09
d
yr
n .532307841159078 1.1835e-09 deg/d
Q 2.395745262208864 3.551e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      6500 days (17.80 yr)  
   first obs. used      2002-02-16  
   last obs. used      2019-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:54:32  

Additional Information
 Earth MOID = .00184295 au 
 Jupiter MOID = 2.94028 au 
 T_jup = 4.319 
[ 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 18.8   n/a MPO214636  
rotation period rot_per 3.369 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:
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 423-438.]

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

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