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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 ]

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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001410232168185 8.0421e-08  
a 2.390651042951926 1.9844e-08 au
q 2.151248801356366 1.9698e-07 au
i 7.578146615339083 8.3463e-06 deg
node 319.3442465408656 3.9062e-05 deg
peri 48.35833193990154 5.3896e-05 deg
M 49.86450077159584 3.3497e-05 deg
tp 2458813.491355056457
(2019-Nov-25.99135506)
0.00012636 TDB
period 1350.121050806236
3.70
1.6811e-05
4.603e-08
d
yr
n .266642757540165 3.32e-09 deg/d
Q 2.630053284547486 2.1831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6872 days (18.81 yr)  
   first obs. used      2001-12-22  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58315  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:05  

Additional Information
 Earth MOID = 1.15687 au 
 Jupiter MOID = 2.80893 au 
 T_jup = 3.514 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457713.5 (2016-Nov-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011900205008842 8.0813e-08  
q 2.14839725349484 1.9818e-07 au
tp 2457461.538739725888
(2016-Mar-14.03873973)
0.00013003 TDB
node 319.4519585177191 3.9058e-05 deg
peri 47.79377853426236 5.3418e-05 deg
i 7.578462425461547 8.3498e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6872 days (18.81 yr)  
   first obs. used      2001-12-22  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58315  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:05  

Additional Information
 Jupiter MOID = 2.80893 au 
 T_jup = 3.514 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.530802100525521E-15 -1.595440209193263E-14 -3.361322475731739E-12 9.067780777231084E-15 -7.905203690973867E-13 -2.482156243466786E-14
q -1.595440209193263E-14 3.927716089093101E-14 7.042012285320467E-12 -2.567176487290701E-14 1.609868398813085E-12 6.139044974912036E-14
tp -3.361322475731739E-12 7.042012285320467E-12 1.690690906131434E-8 3.802810779023022E-11 4.751383995386244E-9 2.363617620306284E-11
node 9.067780777231084E-15 -2.567176487290701E-14 3.802810779023022E-11 1.525519660172827E-9 -1.499568529109513E-9 1.293854750387733E-10
peri -7.905203690973867E-13 1.609868398813085E-12 4.751383995386244E-9 -1.499568529109513E-9 2.853446381178911E-9 -1.221843201220687E-10
i -2.482156243466786E-14 6.139044974912036E-14 2.363617620306284E-11 1.293854750387733E-10 -1.221843201220687E-10 6.971865244197747E-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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