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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2744917377927478 6.9498e-08  
a 2.66503139925313 1.1792e-08 au
q 1.9335022991999 1.879e-07 au
i .5520928163181108 7.5257e-06 deg
node 35.94394353894752 0.00047022 deg
peri 333.6984212026226 0.00047029 deg
M 265.6989068409983 7.709e-06 deg
tp 2459616.761407766636
(2022-Feb-06.26140777)
3.5408e-05 TDB
period 1589.102541402347
4.35
1.0547e-05
2.888e-08
d
yr
n .2265429641074692 1.5036e-09 deg/d
Q 3.396560499306361 1.5029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      10448 days (28.61 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53626  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:34  

Additional Information
 Earth MOID = .931587 au 
 Jupiter MOID = 2.0685 au 
 T_jup = 3.329 
[ 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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