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JPL Small-Body Database Browser
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171576 (1999 VP11)
Classification: Apollo [NEO, PHA]          SPK-ID: 2171576
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 87 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5835691613051827 5.5371e-08  
a 1.085662994699469 3.4346e-09 au
q .452103551422627 5.9946e-08 au
i 17.27978187355576 6.573e-06 deg
node 208.112989482872 4.5211e-06 deg
peri 61.70721486692263 6.577e-06 deg
M 168.850072694965 4.2726e-06 deg
tp 2458406.706266113468
(2018-Oct-15.20626611)
4.3575e-06 TDB
period 413.1816059397636
1.13
1.9607e-06
5.368e-09
d
yr
n .8712875762733813 4.1346e-09 deg/d
Q 1.719222437976311 5.439e-09 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   # delay obs. used      4  
   # Doppler obs. used      2  
   data-arc span      7015 days (19.21 yr)  
   first obs. used      1999-11-07  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39885  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-22 08:29:57  

Additional Information
 Earth MOID = .00216005 au 
 Jupiter MOID = 3.46255 au 
 T_jup = 5.501 
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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 18.6   n/a MPO401418  
rotation period rot_per 2.796 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Rowe, B. (2018) Minor Planet Bull. 45, 207-207.]

171576 (1999 VP11)          Discovered 1999-Nov-07 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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