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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170488012625089 4.3391e-08  
a 2.66466192361714 1.2991e-08 au
q 2.210369007941908 1.1457e-07 au
i 13.70912897437047 5.1849e-06 deg
node 169.905066341358 1.8534e-05 deg
peri 151.33669168 2.3175e-05 deg
M 126.1455371176241 1.5889e-05 deg
tp 2458043.787477038298
(2017-Oct-17.28747704)
6.8646e-05 TDB
period 1588.772086953302
4.35
1.1619e-05
3.181e-08
d
yr
n .2265900835974224 1.657e-09 deg/d
Q 3.118954839292373 1.5206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2014  
   data-arc span      24325 days (66.60 yr)  
   first obs. used      1952-09-15  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:36:13  

Additional Information
 Earth MOID = 1.20772 au 
 Jupiter MOID = 2.29637 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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