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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .228142380581559 6.5085e-08  
a 2.688073078759395 1.7527e-08 au
q 2.074809687394026 1.7904e-07 au
i 5.113041489392987 8.8676e-06 deg
node 205.5113285612491 5.3998e-05 deg
peri 223.5462557627995 5.6645e-05 deg
M 191.071977336956 1.5347e-05 deg
tp 2459755.869129023716
(2022-Jun-25.36912902)
7.1512e-05 TDB
period 1609.755931323216
4.41
1.5744e-05
4.31e-08
d
yr
n .2236363867310498 2.1872e-09 deg/d
Q 3.301336470124764 2.1525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   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      .67758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:30  

Additional Information
 Earth MOID = 1.09233 au 
 Jupiter MOID = 2.02794 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2297815766888109 6.4932e-08  
q 2.068363912148361 1.7834e-07 au
tp 2456539.810315067335
(2013-Sep-04.31031507)
6.4603e-05 TDB
node 205.5541123611382 5.3956e-05 deg
peri 223.6117640392791 5.6562e-05 deg
i 5.117214829430019 8.8752e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      226  
   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      .67758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:30  

Additional Information
 Jupiter MOID = 2.02794 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.216122182296105E-15 -1.154765195167709E-14 -2.26663523741897E-12 1.416900206968587E-14 -6.692332778478641E-13 -5.588651305047667E-15
q -1.154765195167709E-14 3.180411938874637E-14 6.036896562583127E-12 -4.045024142426031E-14 1.812679056322825E-12 1.744883587387185E-14
tp -2.26663523741897E-12 6.036896562583127E-12 4.173570308002436E-9 -1.489588874566072E-11 1.099450246061133E-9 -1.491856012180064E-12
node 1.416900206968587E-14 -4.045024142426031E-14 -1.489588874566072E-11 2.911198761193581E-9 -2.902937475293329E-9 8.221621264080581E-12
peri -6.692332778478641E-13 1.812679056322825E-12 1.099450246061133E-9 -2.902937475293329E-9 3.199243201803791E-9 -8.124763858706332E-12
i -5.588651305047667E-15 1.744883587387185E-14 -1.491856012180064E-12 8.221621264080581E-12 -8.124763858706332E-12 7.876947126526492E-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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