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184474 (2005 OA)
Classification: Main-belt Asteroid          SPK-ID: 2184474
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2398528549376775 3.4941e-08  
a 2.264327973586292 9.7103e-09 au
q 1.721222444606374 8.0692e-08 au
i 3.475988544377133 5.4891e-06 deg
node 213.3237062527819 6.5066e-05 deg
peri 78.53984313127883 6.6637e-05 deg
M 141.9995051914336 1.3221e-05 deg
tp 2458509.601443580013
(2019-Jan-26.10144358)
4.4083e-05 TDB
period 1244.535888156437
3.41
8.0056e-06
2.192e-08
d
yr
n .2892644586836923 1.8607e-09 deg/d
Q 2.80743350256621 1.2039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      11412 days (31.24 yr)  
   first obs. used      1988-08-10  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:05:19  

Additional Information
 Earth MOID = .709363 au 
 Jupiter MOID = 2.39459 au 
 T_jup = 3.576 
[ 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 17.3   n/a MPO436911  

184474 (2005 OA)          Discovered 2005-Jul-16 by Lowe, A. at Mayhill
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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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
1901-Jan-13 08:29 00:10 Psych 0.0366852905726454 0.0366781705382156 0.036692410770199 2.80029318050178 2.80029306272554 2415397.853530992 9.63999681707323 375.383393393565 57.4060368439759 -19.4548939978574 34631.9450805122 T 15 CATAB v2.0f-lin.ifort 2019-Dec-04 15:05:29 2019-Dec-04 15:05
2050-Dec-01 06:27 00:03 Psych 0.0491523822599865 0.0491493438116713 0.0491554207082227 2.83286756213912 2.83286747524661 2470141.768982111 2.82498301290252 151.284241873073 61.0865686256083 0.198518101129965 48518.7787416906 T 15 CATAB v2.0f-lin.ifort 2019-Dec-04 15:05:29 2019-Dec-04 15:05
2125-Nov-20 16:58 00:09 Psych 0.0260612096330195 0.0260541671118186 0.0260682526627118 2.90744767477803 2.90744751509943 2497524.206867127 8.82860976311031 396.051218007428 61.127207734276 -28.0693966706851 31188.1690843614 T 15 CATAB v2.0f-lin.ifort 2019-Dec-04 15:05:29 2019-Dec-04 15:05
2198-Jul-30 05:49 < 00:01 Juno 0.0302832495123623 0.0302815705160595 0.0302849401305438 8.982489158796 8.98248911407137 2524073.742651070 0.474671570981524 1143.42303983819 48.0502689458609 86.5419894253285 94090.778300302 T 15 CATAB v2.0f-lin.ifort 2019-Dec-04 15:05:29 2019-Dec-04 15:05

Alternate Designations
 2005 OA = 1988 PR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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