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215475 (2002 RD122)
Classification: Main-belt Asteroid          SPK-ID: 2215475
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565246647462924 9.0142e-08  
a 2.550161048196068 2.0225e-08 au
q 2.150997945078124 2.3686e-07 au
i 8.383982340207702 6.2026e-06 deg
node 86.63417484399631 4.5603e-05 deg
peri 283.1061674346089 5.1557e-05 deg
M 17.56963019287267 2.6617e-05 deg
tp 2458527.904456915925
(2019-Feb-13.40445692)
0.0001096 TDB
period 1487.475560007445
4.07
1.7695e-05
4.845e-08
d
yr
n .2420207831839591 2.8791e-09 deg/d
Q 2.94932415131401 2.339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      2002-09-03  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:32:24  

Additional Information
 Earth MOID = 1.16883 au 
 Jupiter MOID = 2.55523 au 
 T_jup = 3.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457251.5 (2015-Aug-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567044382364804 9.0777e-08  
q 2.150109904086395 2.3878e-07 au
tp 2457036.086863216831
(2015-Jan-13.58686322)
0.00010194 TDB
node 86.78592872712142 4.5679e-05 deg
peri 282.0912607286067 5.1487e-05 deg
i 8.378686094132688 6.2036e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      2002-09-03  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:32:24  

Additional Information
 Jupiter MOID = 2.55523 au 
 T_jup = 3.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.240403466336377E-15 -2.162783232883246E-14 -5.922199220129936E-12 1.808737731644447E-13 -1.213732652094332E-12 -2.602436378980281E-15
q -2.162783232883246E-14 5.701557644682947E-14 1.566749687446538E-11 -4.739407520535875E-13 3.226367534456717E-12 8.117420829809236E-15
tp -5.922199220129936E-12 1.566749687446538E-11 1.03924461979699E-8 -1.330433306464255E-10 2.471032855426854E-9 1.310483677045756E-11
node 1.808737731644447E-13 -4.739407520535875E-13 -1.330433306464255E-10 2.086531945126937E-9 -2.087591598036388E-9 1.258607960395758E-10
peri -1.213732652094332E-12 3.226367534456717E-12 2.471032855426854E-9 -2.087591598036388E-9 2.650862445282962E-9 -1.212247445057889E-10
i -2.602436378980281E-15 8.117420829809236E-15 1.310483677045756E-11 1.258607960395758E-10 -1.212247445057889E-10 3.848410930648644E-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 16.7   n/a MPO454547  

215475 (2002 RD122)          Discovered 2002-Sep-08 by NEAT at Haleakala
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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