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JPL Small-Body Database Browser
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2367 Praha (1981 AK1)
Classification: Main-belt Asteroid          SPK-ID: 2002367
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09999309344245703 3.4338e-08  
a 2.206554756349364 5.4983e-09 au
q 1.985914520411824 7.6887e-08 au
i 1.876843167986523 3.4289e-06 deg
node 190.8442192189812 0.00010392 deg
peri 297.8332002578561 0.00010521 deg
M 350.9123954898506 1.6666e-05 deg
tp 2459030.721596866768
(2020-Jun-30.22159687)
5.5458e-05 TDB
period 1197.210426563512
3.28
4.4748e-06
1.225e-08
d
yr
n .3006990183282555 1.1239e-09 deg/d
Q 2.427194992286904 6.0481e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2447  
   data-arc span      28448 days (77.89 yr)  
   first obs. used      1942-03-12  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:19:56  

Additional Information
 Earth MOID = 1.0016 au 
 Jupiter MOID = 2.60443 au 
 T_jup = 3.653 
[ 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 13.1   n/a MPO302075  
diameter diameter 4.962 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.377   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2367 Praha (1981 AK1)          Discovered 1981-Jan-08 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 AK1 = 1942 EF = 1945 AB = 1952 HO = 1952 JM = 1960 VF = 1968 DG = 1970 YC = 1976 SE7 = 1978 CG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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