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JPL Small-Body Database Browser
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49674 (1999 SB5)
Classification: Inner Main-belt Asteroid          SPK-ID: 2049674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102550724788994 4.433e-08  
a 1.959698129508279 7.0398e-09 au
q 1.758729665959569 8.7633e-08 au
i 22.99669987790077 4.9086e-06 deg
node 67.01853919252557 1.2464e-05 deg
peri 277.4621912212755 3.337e-05 deg
M 213.1407879753254 3.6252e-05 deg
tp 2459409.271761872337
(2021-Jul-13.77176187)
0.00010202 TDB
period 1002.033391336163
2.74
5.3994e-06
1.478e-08
d
yr
n .3592694645833683 1.9359e-09 deg/d
Q 2.160666593056989 7.7617e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2457  
   data-arc span      15565 days (42.61 yr)  
   first obs. used      1977-09-17  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:56:55  

Additional Information
 Earth MOID = .874021 au 
 Jupiter MOID = 3.13314 au 
 T_jup = 3.779 
[ 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 14.6   n/a MPO400483  
diameter diameter 2.777 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.56 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2012) Minor Planet Bull. 39, 245-252.]
geometric albedo albedo 0.436   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49674 (1999 SB5)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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