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78528 (2002 RO98)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078528
[ 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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303774185135539 3.9711e-08  
a 3.207080027499712 2.3021e-08 au
q 2.788949212547922 1.3282e-07 au
i 5.382999740073121 4.9419e-06 deg
node 164.3704464905098 4.3366e-05 deg
peri 236.9529546969966 4.7145e-05 deg
M 37.58610044632452 1.7303e-05 deg
tp 2458981.477923587864
(2020-May-11.97792359)		 0.00010049 TDB
period 2097.79537041809
5.74		 2.2588e-05
6.184e-08		 d
yr
n .1716087303254236 1.8478e-09 deg/d
Q 3.625210842451502 2.6023e-08 au
   Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      8871 days (24.29 yr)  
   first obs. used      1996-10-05  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52661  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:28  

Additional Information
 Earth MOID = 1.80064 au 
 Jupiter MOID = 1.80873 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457136.5 (2015-Apr-24.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251704713474525 3.9187e-08  
q 2.807344083502962 1.2989e-07 au
tp 2456864.876457889571
(2014-Jul-26.37645789)		 0.00010816 TDB
node 164.5456866838234 4.3168e-05 deg
peri 234.3500086012016 4.7508e-05 deg
i 5.386958503513405 4.9539e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      8871 days (24.29 yr)  
   first obs. used      1996-10-05  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52661  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:28  

Additional Information
 Jupiter MOID = 1.80873 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.535630382184548E-15 -5.030281243926767E-15 -8.579284315682422E-13 2.703683357208577E-15 -1.698024637613722E-13 -1.137239984310109E-15
q -5.030281243926767E-15 1.687225986447559E-14 2.600795686253572E-12 -9.103222691359632E-15 5.29646924907789E-13 4.509138562634496E-15
tp -8.579284315682422E-13 2.600795686253572E-12 1.169952355449411E-8 -1.126342473754993E-11 2.162764098021838E-9 -2.056754131817819E-12
node 2.703683357208577E-15 -9.103222691359632E-15 -1.126342473754993E-11 1.863449149228227E-9 -1.857269571070327E-9 2.712600743919188E-11
peri -1.698024637613722E-13 5.29646924907789E-13 2.162764098021838E-9 -1.857269571070327E-9 2.256970313394912E-9 -2.735324725039343E-11
i -1.137239984310109E-15 4.509138562634496E-15 -2.056754131817819E-12 2.712600743919188E-11 -2.735324725039343E-11 2.454104429723781E-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 14.55   n/a E2020-QM9  
diameter diameter 6.123 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78528 (2002 RO98)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2002 RO98 = 1996 TY53 = 1999 CS135 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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