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
JPL Small-Body Database Browser
Search: [ help ]  
78506 (2002 RU84)
Classification: Main-belt Asteroid          SPK-ID: 2078506
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759393575871973 4.155e-08  
a 2.303071464798205 1.038e-08 au
q 1.897870550804204 9.6921e-08 au
i 1.715776749905711 5.8123e-06 deg
node 343.6274808631491 0.00015532 deg
peri 308.0127877894638 0.00015615 deg
M 74.39679741069654 1.7116e-05 deg
tp 2458736.677829853485
(2019-Sep-10.17782985)
6.0516e-05 TDB
period 1276.613840357193
3.50
8.6307e-06
2.363e-08
d
yr
n .2819960027217572 1.9065e-09 deg/d
Q 2.708272378792207 1.2206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9744 days (26.68 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:47  

Additional Information
 Earth MOID = .882273 au 
 Jupiter MOID = 2.47013 au 
 T_jup = 3.569 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456492.5 (2013-Jul-19.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760584040446221 4.1455e-08  
q 1.897512289386851 9.6674e-08 au
tp 2456181.040942119197
(2012-Sep-10.54094212)
6.1368e-05 TDB
node 343.7561841437498 0.00015555 deg
peri 307.5217834997406 0.00015637 deg
i 1.715233170865426 5.8062e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9744 days (26.68 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:47  

Additional Information
 Jupiter MOID = 2.47013 au 
 T_jup = 3.569 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.718511899522994E-15 -3.992069049285045E-15 5.20761430347413E-13 1.790849857925353E-14 1.205399298488997E-13 -5.823560411327543E-16
q -3.992069049285045E-15 9.345877425559748E-15 -1.292690355144775E-12 -4.199069422646659E-14 -2.979191687325369E-13 1.493716000628062E-15
tp 5.20761430347413E-13 -1.292690355144775E-12 3.765997679962455E-9 5.490928335464907E-11 9.976851271488103E-10 8.057339431617135E-13
node 1.790849857925353E-14 -4.199069422646659E-14 5.490928335464907E-11 2.419590295933733E-8 -2.416931081927177E-8 1.048542914102661E-10
peri 1.205399298488997E-13 -2.979191687325369E-13 9.976851271488103E-10 -2.416931081927177E-8 2.445096323573718E-8 -1.046133411931744E-10
i -5.823560411327543E-16 1.493716000628062E-15 8.057339431617135E-13 1.048542914102661E-10 -1.046133411931744E-10 3.371190900023506E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO432335  

78506 (2002 RU84)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 RU84 = 1994 EK8 = 2001 FH103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-20 20:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin