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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456819.5 (2014-Jun-11.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07194349388975992 3.8679e-08  
q 2.424006730154988 9.9038e-08 au
tp 2456813.262592032309
(2014-Jun-04.76259203)
0.00016612 TDB
node 37.88606643588898 1.5225e-05 deg
peri 225.4699079248213 4.1215e-05 deg
i 15.30598986604821 5.4063e-06 deg
  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
 Jupiter MOID = 2.23871 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.496052367109128E-15 -3.807804627593784E-15 -1.474284638287861E-12 7.652620046956088E-15 -3.717318086697936E-13 2.366049250180783E-15
q -3.807804627593784E-15 9.808522066512016E-15 3.831228464044962E-12 -2.111200623069263E-14 9.651710827595515E-13 -5.365786820006395E-15
tp -1.474284638287861E-12 3.831228464044962E-12 2.759538384848897E-8 -5.545065765096042E-11 6.374915340828927E-9 1.704752566355664E-11
node 7.652620046956088E-15 -2.111200623069263E-14 -5.545065765096042E-11 2.318018191507642E-10 -2.360920031497442E-10 -1.696728967963909E-11
peri -3.717318086697936E-13 9.651710827595515E-13 6.374915340828927E-9 -2.360920031497442E-10 1.698657082640839E-9 2.018621693014446E-11
i 2.366049250180783E-15 -5.365786820006395E-15 1.704752566355664E-11 -1.696728967963909E-11 2.018621693014446E-11 2.922786815853967E-11

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

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