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JPL Small-Body Database Browser
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49647 (1999 JW37)
Classification: Outer Main-belt Asteroid          SPK-ID: 2049647
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .05690358585930471 4.6046e-08  
a 3.21714910072023 2.6129e-08 au
q 3.034081780645211 1.5112e-07 au
i 13.79033391507385 4.7779e-06 deg
node 244.7589068169756 2.2852e-05 deg
peri 164.420511689285 5.3162e-05 deg
M 344.7381183942201 4.6991e-05 deg
tp 2458689.853339766563
(2019-Jul-25.35333977)
0.00027513 TDB
period 2107.682600799395
5.77
2.5677e-05
7.03e-08
d
yr
n .1708037063376907 2.0808e-09 deg/d
Q 3.400216420795248 2.7615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1183  
   data-arc span      7518 days (20.58 yr)  
   first obs. used      1999-05-08  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51275  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:22:55  

Additional Information
 Earth MOID = 2.04712 au 
 Jupiter MOID = 1.9373 au 
 T_jup = 3.142 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO459190  
diameter diameter 14.558 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49647 (1999 JW37)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JW37 = 2001 UB23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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