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295507 (2008 RO64)
Classification: Main-belt Asteroid          SPK-ID: 2295507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231917899994711 5.1615e-08  
a 3.0569385019138 3.4639e-08 au
q 2.680348775944738 1.4575e-07 au
i 2.75381744930405 5.3884e-06 deg
node 78.66767441058859 0.00010442 deg
peri 253.0538111694692 0.00010702 deg
M 126.5839174339938 2.5474e-05 deg
tp 2458514.056952498190
(2019-Jan-30.55695250)
0.0001339 TDB
period 1952.218750296696
5.34
3.3181e-05
9.084e-08
d
yr
n .1844055641537546 3.1343e-09 deg/d
Q 3.433528227882863 3.8906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      2001-03-26  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58958  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:58:52  

Additional Information
 Earth MOID = 1.66948 au 
 Jupiter MOID = 1.90856 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457608.5 (2016-Aug-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251349237758733 5.2298e-08  
q 2.675348117825317 1.4839e-07 au
tp 2458506.155526516832
(2019-Jan-22.65552652)
0.00013138 TDB
node 78.79401531733657 0.00010469 deg
peri 251.6037409277391 0.00010716 deg
i 2.751506687573471 5.3764e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      2001-03-26  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58958  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:58:52  

Additional Information
 Jupiter MOID = 1.90856 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.735048092977336E-15 -7.632818710925157E-15 2.253098123134019E-12 -3.005501245865557E-15 2.500632780447335E-13 -4.635358817760298E-16
q -7.632818710925157E-15 2.202017292724641E-14 -5.412867657202695E-12 9.967235760635102E-15 -6.076707336663538E-13 1.390377679779534E-15
tp 2.253098123134019E-12 -5.412867657202695E-12 1.726044186654059E-8 -2.60574083974891E-11 2.997515997706284E-9 -1.044398263229957E-12
node -3.005501245865557E-15 9.967235760635102E-15 -2.60574083974891E-11 1.096085752151598E-8 -1.095285036064153E-8 -1.107333778308874E-10
peri 2.500632780447335E-13 -6.076707336663538E-13 2.997515997706284E-9 -1.095285036064153E-8 1.148388046101728E-8 1.104018911620417E-10
i -4.635358817760298E-16 1.390377679779534E-15 -1.044398263229957E-12 -1.107333778308874E-10 1.104018911620417E-10 2.890592021868997E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO455184  

295507 (2008 RO64)          Discovered 2008-Sep-04 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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Alternate Designations
 2008 RO64 = 2006 DB173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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