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109698 (2001 RS38)
Classification: Main-belt Asteroid          SPK-ID: 2109698
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049226977320764 3.3115e-08  
a 2.597550254202685 1.3593e-08 au
q 2.06525324861683 8.5068e-08 au
i 14.9182956448371 7.7276e-06 deg
node 336.4976122457263 2.2111e-05 deg
peri 121.9691071370648 3.4872e-05 deg
M 76.23681147857174 2.5526e-05 deg
tp 2458676.677823124452
(2019-Jul-12.17782312)
0.00010727 TDB
period 1529.129844418583
4.19
1.2003e-05
3.286e-08
d
yr
n .2354280124176648 1.848e-09 deg/d
Q 3.12984725978854 1.6378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      7710 days (21.11 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:07:54  

Additional Information
 Earth MOID = 1.12142 au 
 Jupiter MOID = 2.10096 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457759.5 (2017-Jan-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051927894914705 3.3097e-08  
q 2.064328286397458 8.497e-08 au
tp 2457148.408324502869
(2015-May-05.90832450)
0.00010248 TDB
node 336.5076077743217 2.211e-05 deg
peri 122.1575761130332 3.4848e-05 deg
i 14.9193265396297 7.7284e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      7710 days (21.11 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:07:54  

Additional Information
 Jupiter MOID = 2.10096 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.09541709549676E-15 -2.790464199480724E-15 -2.327225130453322E-14 -4.020700950580305E-15 -1.249088093575669E-14 -2.660446198972576E-15
q -2.790464199480724E-15 7.219820218070816E-15 4.18442434376501E-13 8.821288224585972E-15 1.379620509576204E-13 8.293014654165956E-15
tp -2.327225130453322E-14 4.18442434376501E-13 1.050249300507743E-8 3.035830405251558E-11 2.795670299224367E-9 4.120409455356813E-11
node -4.020700950580305E-15 8.821288224585972E-15 3.035830405251558E-11 4.888307263436872E-10 -4.640126252945489E-10 1.064289454514167E-10
peri -1.249088093575669E-14 1.379620509576204E-13 2.795670299224367E-9 -4.640126252945489E-10 1.21437690086252E-9 -9.190386610398852E-11
i -2.660446198972576E-15 8.293014654165956E-15 4.120409455356813E-11 1.064289454514167E-10 -9.190386610398852E-11 5.972778306541224E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO366466  

109698 (2001 RS38)          Discovered 2001-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 RS38 = 1999 FY45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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