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487729 (2015 RO98)
Classification: Main-belt Asteroid          SPK-ID: 2487729
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3220170153658333 7.3163e-08  
a 3.120867869529826 3.8489e-07 au
q 2.115895312832705 3.8257e-07 au
i 15.3824654658547 6.7876e-05 deg
node 340.057453476279 2.6779e-05 deg
peri 90.92378497448733 0.00047581 deg
M 261.4698227484315 0.0003532 deg
tp 2459551.660725567302
(2021-Dec-03.16072557)
0.0018759 TDB
period 2013.777572911755
5.51
0.00037253
1.02e-06
d
yr
n .1787685019649266 3.3071e-08 deg/d
Q 4.125840426226947 5.0883e-07 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      4584 days (12.55 yr)  
   first obs. used      2004-09-07  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .66036  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:14:06  

Additional Information
 Earth MOID = 1.19474 au 
 Jupiter MOID = 1.66852 au 
 T_jup = 3.081 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457326.5 (2015-Oct-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3223929209765131 1.8055e-07  
q 2.11264761756292 5.3326e-07 au
tp 2457527.789841248154
(2016-May-19.28984125)
0.002025 TDB
node 341.5546586768168 2.8675e-05 deg
peri 88.36027074982974 0.0004672 deg
i 15.38747982075528 6.8652e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      4584 days (12.55 yr)  
   first obs. used      2004-09-07  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .66036  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:14:06  

Additional Information
 Jupiter MOID = 1.66852 au 
 T_jup = 3.081 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.259774934506897E-14 -9.608423277548046E-14 -3.335950192830952E-10 -7.303240007083931E-14 -7.724646311898771E-11 5.87541746575451E-12
q -9.608423277548046E-14 2.843635057476195E-13 9.888782793988928E-10 2.527618107864441E-13 2.288548433076801E-10 -1.765292039299054E-11
tp -3.335950192830952E-10 9.888782793988928E-10 4.100426207918116E-6 6.814465047497431E-10 9.442341453023637E-7 -7.113630557615334E-8
node -7.303240007083931E-14 2.527618107864441E-13 6.814465047497431E-10 8.222721547256188E-10 -6.32580837437885E-10 -6.881363876109321E-10
peri -7.724646311898771E-11 2.288548433076801E-10 9.442341453023637E-7 -6.32580837437885E-10 2.182799855237905E-7 -1.574004878451E-8
i 5.87541746575451E-12 -1.765292039299054E-11 -7.113630557615334E-8 -6.881363876109321E-10 -1.574004878451E-8 4.713140347296821E-9

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 17.0   n/a MPO409262  

487729 (2015 RO98)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RO98 = 2004 RW125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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