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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025507242402375 4.4359e-08  
a 1.959698128553582 7.4723e-09 au
q 1.758729666178174 8.7763e-08 au
i 22.99669927895214 6.1309e-06 deg
node 67.01853967028202 1.2614e-05 deg
peri 277.4621937652479 3.5689e-05 deg
M 213.1407860750999 3.7348e-05 deg
tp 2459409.271766862765
(2021-Jul-13.77176686)
0.00010476 TDB
period 1002.033390603929
2.74
5.7311e-06
1.569e-08
d
yr
n .3592694648459038 2.0548e-09 deg/d
Q 2.16066659092899 8.2386e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2089  
   data-arc span      15452 days (42.31 yr)  
   first obs. used      1977-09-17  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38765  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:45:44  

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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