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JPL Small-Body Database Browser
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4043 Perolof (1175 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2004043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0982231517790917 3.9652e-08  
a 3.112061414966317 1.7887e-08 au
q 2.806384934258226 1.2785e-07 au
i 6.568895618463258 4.2164e-06 deg
node 303.1723078025731 3.2653e-05 deg
peri 13.50913250719947 3.7563e-05 deg
M 251.1599872786942 1.9491e-05 deg
tp 2459206.756975338172
(2020-Dec-23.25697534)
0.00010964 TDB
period 2005.259882508431
5.49
1.7288e-05
4.733e-08
d
yr
n .1795278522949687 1.5478e-09 deg/d
Q 3.417737895674409 1.9644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2032  
   data-arc span      15191 days (41.59 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:08:27  

Additional Information
 Earth MOID = 1.79237 au 
 Jupiter MOID = 1.84331 au 
 T_jup = 3.201 
[ 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 12.4   n/a MPO347554  
diameter diameter 17.662 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.054   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4043 Perolof (1175 T-3)          Discovered 1977-Oct-17 by van Houten, C. J. at Palomar
Discovered in the course of the Third Trojan Survey by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1175 T-3 = 1981 JT1 = 1982 QB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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