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JPL Small-Body Database Browser
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49594 (1999 EM13)
Classification: Main-belt Asteroid          SPK-ID: 2049594
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2017328461695889 5.8028e-08  
a 3.112395637288086 1.805e-08 au
q 2.484523206972149 1.7936e-07 au
i 8.010452365663722 4.5485e-06 deg
node 147.5044190746087 3.9832e-05 deg
peri 235.8882923805033 4.1328e-05 deg
M 343.5463447464276 1.0118e-05 deg
tp 2458692.164361237239
(2019-Jul-27.66436124)
5.6291e-05 TDB
period 2005.582925911932
5.49
1.7446e-05
4.776e-08
d
yr
n .1794989353712758 1.5614e-09 deg/d
Q 3.740268067604023 2.1691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      10310 days (28.23 yr)  
   first obs. used      1991-09-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:21:59  

Additional Information
 Earth MOID = 1.49742 au 
 Jupiter MOID = 1.76488 au 
 T_jup = 3.172 
[ 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 14.2   n/a MPO337654  
diameter diameter 6.997 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49594 (1999 EM13)          Discovered 1999-Mar-10 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 EM13 = 1991 RC23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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