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295518 (2008 RF103)
Classification: Main-belt Asteroid          SPK-ID: 2295518
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001409478332188 8.6324e-08  
a 2.39065104344547 2.091e-08 au
q 2.151248982016367 2.1296e-07 au
i 7.578150850424945 8.5593e-06 deg
node 319.3442552257248 3.999e-05 deg
peri 48.3583160198644 5.4863e-05 deg
M 49.8645046017044 3.3616e-05 deg
tp 2458813.491340634351
(2019-Nov-25.99134063)
0.00012687 TDB
period 1350.12105122433
3.70
1.7714e-05
4.85e-08
d
yr
n .2666427574575933 3.4983e-09 deg/d
Q 2.630053104874573 2.3004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6537 days (17.90 yr)  
   first obs. used      2001-12-22  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57438  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:02  

Additional Information
 Earth MOID = 1.15687 au 
 Jupiter MOID = 2.80893 au 
 T_jup = 3.514 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457631.5 (2016-Aug-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012101438463044 8.6689e-08  
q 2.148438311854894 2.1413e-07 au
tp 2457461.599378595234
(2016-Mar-14.09937860)
0.00013113 TDB
node 319.453419210559 3.9985e-05 deg
peri 47.81178027318875 5.4391e-05 deg
i 7.578387310717637 8.5631e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6537 days (17.90 yr)  
   first obs. used      2001-12-22  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57438  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:02  

Additional Information
 Jupiter MOID = 2.80893 au 
 T_jup = 3.514 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.51502133257749E-15 -1.849843016591112E-14 -2.832199596217675E-12 2.304659033997397E-15 -5.865727448320171E-13 -3.100751399706901E-14
q -1.849843016591112E-14 4.585262821435646E-14 5.675467572191177E-12 -9.556868473881585E-15 1.084429373350177E-12 7.705836069554079E-14
tp -2.832199596217675E-12 5.675467572191177E-12 1.719623313628849E-8 5.048988442340626E-11 4.846155951986542E-9 2.385891764955357E-11
node 2.304659033997397E-15 -9.556868473881585E-15 5.048988442340626E-11 1.598814245496963E-9 -1.568789498068651E-9 1.456001992967873E-10
peri -5.865727448320171E-13 1.084429373350177E-12 4.846155951986542E-9 -1.568789498068651E-9 2.958402263063486E-9 -1.384419149480877E-10
i -3.100751399706901E-14 7.705836069554079E-14 2.385891764955357E-11 1.456001992967873E-10 -1.384419149480877E-10 7.332642107226192E-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 16.8   n/a MPO450204  

295518 (2008 RF103)          Discovered 2008-Sep-05 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 RF103 = 2005 YS145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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