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117215 (2004 RO224)
Classification: Main-belt Asteroid          SPK-ID: 2117215
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08300070286249754 4.5701e-08  
a 2.733134124454802 1.8891e-08 au
q 2.506282071107576 1.2855e-07 au
i 5.883906764657702 5.5787e-06 deg
node 15.33885687977151 4.5063e-05 deg
peri 299.1136182190513 5.6145e-05 deg
M 266.9964687276259 3.6547e-05 deg
tp 2459626.870139535360
(2022-Feb-16.37013954)
0.00016914 TDB
period 1650.402389380278
4.52
1.7111e-05
4.685e-08
d
yr
n .2181286226416451 2.2615e-09 deg/d
Q 2.959986177802027 2.0459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      734  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1998-03-29  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:51:40  

Additional Information
 Earth MOID = 1.49744 au 
 Jupiter MOID = 2.27176 au 
 T_jup = 3.341 
[ show covariance matrix ]

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 15.42   n/a E2021B55  

117215 (2004 RO224)          Discovered 2004-Sep-08 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-Feb-20 07:31 00:01 Inter 0.0490998318429501 0.0490977443714003 0.0491019306864569 6.00243174182399 6.00243169215201 2417261.813411101 1.30582726709122 1295.0559709486 42.6879208685474 -85.7813273580328 171532.857536531 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 16:51:42 2021-Apr-13 16:51
1907-Apr-03 03:25 00:04 Europ 0.0470726868105009 0.0470676388049666 0.0470777463067333 4.31409911277176 4.3140990604343 2417668.642604332 3.66311793369042 1218.40674424294 58.8722313317234 -78.3937365837393 117105.888396484 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 16:51:42 2021-Apr-13 16:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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