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120465 (1991 TO15)
Classification: Main-belt Asteroid          SPK-ID: 2120465
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2745241516541096 5.4642e-08  
a 2.666198298065993 1.1734e-08 au
q 1.934262472147795 1.5001e-07 au
i .5521017951073709 5.6052e-06 deg
node 35.94816399718882 0.00043952 deg
peri 333.6068187480045 0.00043959 deg
M 310.178906048977 7.6183e-06 deg
tp 2459616.563418846057
(2022-Feb-06.06341885)
3.4382e-05 TDB
period 1590.146351713216
4.35
1.0497e-05
2.874e-08
d
yr
n .2263942558571025 1.4945e-09 deg/d
Q 3.398134123984191 1.4955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      10867 days (29.75 yr)  
   first obs. used      1991-10-06  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52681  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:04:18  

Additional Information
 Earth MOID = .933011 au 
 Jupiter MOID = 2.06764 au 
 T_jup = 3.328 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.28   n/a E2021B55  
diameter diameter 4.477 km 1.358 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120465 (1991 TO15)          Discovered 1991-Oct-06 by Lowe, A. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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