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JPL Small-Body Database Browser
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49227 (1998 SC137)
Classification: Main-belt Asteroid          SPK-ID: 2049227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .07149452243351365 3.9052e-08  
a 2.611782242479523 1.1932e-08 au
q 2.425054118353119 1e-07 au
i 15.30316166873427 5.405e-06 deg
node 37.86428891273266 1.5229e-05 deg
peri 224.5289485175163 4.1158e-05 deg
M 151.6877863855084 3.8916e-05 deg
tp 2458350.891069264930
(2018-Aug-20.39106927)
0.00016627 TDB
period 1541.714205455418
4.22
1.0565e-05
2.893e-08
d
yr
n .2335063131195947 1.6002e-09 deg/d
Q 2.798510366605929 1.2785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1437  
   data-arc span      7740 days (21.19 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:17:50  

Additional Information
 Earth MOID = 1.43188 au 
 Jupiter MOID = 2.23871 au 
 T_jup = 3.355 
[ 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 14.3   n/a MPO400479  
diameter diameter 4.816 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.174   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49227 (1998 SC137)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 SC137 = 2000 BJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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