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3005 Pervictoralex (1979 QK2)
Classification: Main-belt Asteroid          SPK-ID: 2003005
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844079727359809 2.8558e-08  
a 2.36836745268868 6.8033e-09 au
q 1.931621612044482 6.6023e-08 au
i 2.361882035352682 3.4974e-06 deg
node 177.4664010153108 7.6835e-05 deg
peri 77.50961424024371 7.7517e-05 deg
M 121.8720179370136 9.5228e-06 deg
tp 2458549.814532319222
(2019-Mar-07.31453232)
3.5238e-05 TDB
period 1331.288109539084
3.64
5.7363e-06
1.571e-08
d
yr
n .2704147940783747 1.1652e-09 deg/d
Q 2.805113293332878 8.0578e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2338  
   data-arc span      20330 days (55.66 yr)  
   first obs. used      1964-05-10  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:36:28  

Additional Information
 Earth MOID = .918594 au 
 Jupiter MOID = 2.24485 au 
 T_jup = 3.522 
[ 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 13.8   n/a MPO502182  
diameter diameter 4.770 km 0.307 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 36.4 h n/a LCDB (Rev. 2019-August); 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:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.282   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3005 Pervictoralex (1979 QK2)          Discovered 1979-Aug-22 by Lagerkvist, C.-I. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1979 QK2 = 1964 JA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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