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JPL Small-Body Database Browser
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295489 (2008 RO17)
Classification: Main-belt Asteroid          SPK-ID: 2295489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2291479938593515 6.5068e-08  
a 2.685902145325099 1.7745e-08 au
q 2.070433057021324 1.7865e-07 au
i 5.11686396536903 8.8752e-06 deg
node 205.5392115103581 5.4119e-05 deg
peri 223.4812433040592 5.6726e-05 deg
M 101.5638235158406 1.499e-05 deg
tp 2458146.902922875879
(2018-Jan-28.40292288)
6.5938e-05 TDB
period 1607.806225798649
4.40
1.5933e-05
4.362e-08
d
yr
n .2239075792987282 2.2189e-09 deg/d
Q 3.301371233628873 2.1811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      9951 days (27.24 yr)  
   first obs. used      1992-01-26  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:13:48  

Additional Information
 Earth MOID = 1.08769 au 
 Jupiter MOID = 2.02781 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457194.5 (2015-Jun-21.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2297828283114378 6.4949e-08  
q 2.068360126331842 1.7837e-07 au
tp 2456539.813196709803
(2013-Sep-04.31319671)
6.4665e-05 TDB
node 205.5540857574349 5.4122e-05 deg
peri 223.6121398946097 5.6722e-05 deg
i 5.117213617111476 8.8762e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      9951 days (27.24 yr)  
   first obs. used      1992-01-26  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:13:48  

Additional Information
 Jupiter MOID = 2.02781 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.218404621901107E-15 -1.155315171777511E-14 -2.262280657418058E-12 1.434987250749034E-14 -6.687162293743605E-13 -5.597662799242278E-15
q -1.155315171777511E-14 3.18173601621533E-14 6.026296794833739E-12 -4.099044965372374E-14 1.81150826155501E-12 1.747434859733646E-14
tp -2.262280657418058E-12 6.026296794833739E-12 4.181615969782571E-9 -1.512079350242103E-11 1.100946709651488E-9 -1.490842423508811E-12
node 1.434987250749034E-14 -4.099044965372374E-14 -1.512079350242103E-11 2.929212581100374E-9 -2.920932788802226E-9 7.671827700396204E-12
peri -6.687162293743605E-13 1.81150826155501E-12 1.100946709651488E-9 -2.920932788802226E-9 3.217419458523664E-9 -7.576394352285168E-12
i -5.597662799242278E-15 1.747434859733646E-14 -1.490842423508811E-12 7.671827700396204E-12 -7.576394352285168E-12 7.878632602000433E-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 16.7   n/a MPO433905  

295489 (2008 RO17)          Discovered 2008-Sep-04 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 RO17 = 1992 BD3 = 2001 DM8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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