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JPL Small-Body Database Browser
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4906 Seneferu (2533 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2004906
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 .2152707463741734 2.8597e-08  
a 2.176345123180305 5.9614e-09 au
q 1.707841684145489 6.2052e-08 au
i 1.651607605510242 3.0582e-06 deg
node 120.0058576295213 0.00014273 deg
peri 199.087163338731 0.0001432 deg
M 240.8701787538686 1.4138e-05 deg
tp 2459388.568208833869
(2021-Jun-23.06820883)
4.7039e-05 TDB
period 1172.708510084577
3.21
4.8184e-06
1.319e-08
d
yr
n .3069816556324267 1.2613e-09 deg/d
Q 2.644848562215122 7.2447e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1769  
   data-arc span      23888 days (65.40 yr)  
   first obs. used      1954-11-23  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49929  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:13:49  

Additional Information
 Earth MOID = .694845 au 
 Jupiter MOID = 2.66065 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 15.0   n/a MPO458879  
diameter diameter 3.110 km 0.749 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4906 Seneferu (2533 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 2533 P-L = 1976 SQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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