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JPL Small-Body Database Browser
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2900 Lubos Perek (1972 AR)
Classification: Main-belt Asteroid          SPK-ID: 2002900
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102517730556032 4.2282e-08  
a 3.023528180408509 1.7851e-08 au
q 2.71356293308082 1.2743e-07 au
i 10.15105265104265 5.3767e-06 deg
node 17.43380154953075 2.2415e-05 deg
peri 291.1045591935983 3.7597e-05 deg
M 243.0187154712493 3.3775e-05 deg
tp 2459624.498208904982
(2022-Feb-13.99820891)
0.00018214 TDB
period 1920.301662874829
5.26
1.7006e-05
4.656e-08
d
yr
n .1874705453626772 1.6602e-09 deg/d
Q 3.333493427736199 1.9681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2108  
   data-arc span      23814 days (65.20 yr)  
   first obs. used      1954-11-23  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:33:48  

Additional Information
 Earth MOID = 1.72074 au 
 Jupiter MOID = 1.99061 au 
 T_jup = 3.214 
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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 12.0   n/a MPO435725  
diameter diameter 12.978 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.219   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2900 Lubos Perek (1972 AR)          Discovered 1972-Jan-14 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1972 AR = 1974 OZ = 1974 QF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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