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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231917881896843 5.1615e-08  
a 3.05693849857973 3.4639e-08 au
q 2.680348778553804 1.4575e-07 au
i 2.753817455900757 5.3884e-06 deg
node 78.66767400746228 0.00010442 deg
peri 253.0538111069141 0.00010702 deg
M 126.5839182474172 2.5474e-05 deg
tp 2458514.056949210144
(2019-Jan-30.55694921)
0.0001339 TDB
period 1952.218747102895
5.34
3.3181e-05
9.084e-08
d
yr
n .1844055644554394 3.1343e-09 deg/d
Q 3.433528218605656 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:14:47  

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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251349220473146 5.2298e-08  
q 2.675348121584952 1.4839e-07 au
tp 2458506.155524282648
(2019-Jan-22.65552428)
0.00013138 TDB
node 78.79401513137994 0.00010469 deg
peri 251.6037408424632 0.00010716 deg
i 2.751506688972966 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:14:47  

Additional Information
 Jupiter MOID = 1.90856 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.735048863227702E-15 -7.632821288502414E-15 2.253099505329201E-12 -3.005576735010713E-15 2.500636071137196E-13 -4.63534445515142E-16
q -7.632821288502414E-15 2.202018073744762E-14 -5.412871692963611E-12 9.96736368207821E-15 -6.076715563845415E-13 1.390374165263065E-15
tp 2.253099505329201E-12 -5.412871692963611E-12 1.726044534111204E-8 -2.605756075180166E-11 2.997516710389868E-9 -1.044398849952694E-12
node -3.005576735010713E-15 9.96736368207821E-15 -2.605756075180166E-11 1.096085761865099E-8 -1.09528504770173E-8 -1.107333754627349E-10
peri 2.500636071137196E-13 -6.076715563845415E-13 2.997516710389868E-9 -1.09528504770173E-8 1.148388067816286E-8 1.104018885189236E-10
i -4.63534445515142E-16 1.390374165263065E-15 -1.044398849952694E-12 -1.107333754627349E-10 1.104018885189236E-10 2.890592016852874E-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

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