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JPL Small-Body Database Browser
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5001 EMP (1987 SB1)
Classification: Main-belt Asteroid          SPK-ID: 2005001
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1708381635421478 4.3316e-08  
a 2.663911477866403 1.2565e-08 au
q 2.208813733148858 1.1446e-07 au
i 13.71236206098289 5.0301e-06 deg
node 169.895197900498 1.7011e-05 deg
peri 151.376505585332 2.1455e-05 deg
M 216.7532977219347 1.5901e-05 deg
tp 2459632.417295996764
(2022-Feb-21.91729600)
7.2434e-05 TDB
period 1588.100968057465
4.35
1.1236e-05
3.076e-08
d
yr
n .2266858387727987 1.6038e-09 deg/d
Q 3.119009222583948 1.4711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2187  
   data-arc span      24613 days (67.39 yr)  
   first obs. used      1952-09-15  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:27:12  

Additional Information
 Earth MOID = 1.20704 au 
 Jupiter MOID = 2.29953 au 
 T_jup = 3.323 
[ 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 12.2   n/a MPO431555  
diameter diameter 9.724 km 0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.149   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5001 EMP (1987 SB1)          Discovered 1987-Sep-19 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 SB1 = 1952 RF = 1977 EN4 = 1982 KQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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