Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3218036854696206 9.426e-08  
a 3.126011870166984 2.1591e-07 au
q 2.120049729525467 2.1525e-07 au
i 15.30579402049804 6.821e-05 deg
node 340.7117358173023 2.7663e-05 deg
peri 89.86405120101558 0.00047098 deg
M 190.7574530273739 0.000359 deg
tp 2459549.555068306481
(2021-Dec-01.05506831)
0.0019211 TDB
period 2018.758466484167
5.53
0.00020915
5.726e-07
d
yr
n .1783274254829353 1.8476e-08 deg/d
Q 4.1319740108085 2.854e-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 = 1.1979 au 
 Jupiter MOID = 1.67099 au 
 T_jup = 3.080 
[ 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 = 1.67099 au 
 T_jup = 3.080 
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 23:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin