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146472 (2001 RO79)
Classification: Main-belt Asteroid          SPK-ID: 2146472
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903485925365776 5.9978e-08  
a 2.811899057608988 1.2993e-08 au
q 2.276658029638188 1.702e-07 au
i 9.044914568127865 6.028e-06 deg
node 49.1023477653542 3.0017e-05 deg
peri 355.6147990224672 3.4408e-05 deg
M 23.81186212086529 1.4058e-05 deg
tp 2459086.582912063118
(2020-Aug-25.08291206)		 6.7088e-05 TDB
period 1722.257228314041
4.72		 1.1937e-05
3.268e-08		 d
yr
n .2090280093365686 1.4488e-09 deg/d
Q 3.347140085579787 1.5466e-08 au
   Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      7069 days (19.35 yr)  
   first obs. used      2001-09-10  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:29:49  

Additional Information
 Earth MOID = 1.28524 au 
 Jupiter MOID = 2.06058 au 
 T_jup = 3.276 
[ 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 15.3   n/a MPO345203  
diameter diameter 4.845 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146472 (2001 RO79)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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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
2018-Jan-10 19:27 00:01 Psych 0.0257437854349832 0.0257428420646047 0.0257447288053609 2.98024706764439 2.98024690994555 2458129.310517777 1.27387540311242 119.80335499153 46.9673698351666 -89.9498870832771 81863.2925140309 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 10:29:51 2021-Feb-24 10:29
2077-Aug-12 21:22 00:08 Amphi 0.0476429509729186 0.047619216837413 0.0476666854620433 3.00824092514633 3.00824088503549 2479893.390063067 8.09469202711421 1199.77893292319 41.3140664438893 9.78484328142155 29868.141898168 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 10:29:51 2021-Feb-24 10:29
2138-Nov-19 21:17 00:16 Amphi 0.0285103197407208 0.0284821715605513 0.028538505838947 3.13673941592512 3.13673935164266 2502271.387103770 15.5418533290746 2157.57278094827 43.6077331783979 49.4418077809227 74254.9916560987 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 10:29:51 2021-Feb-24 10:29
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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