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74895 (1999 TL120)
Classification: Main-belt Asteroid          SPK-ID: 2074895
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06562578014155519 5.2513e-08  
a 2.202995612020764 9.5016e-09 au
q 2.058422306333479 1.1661e-07 au
i 2.98030599541438 5.9761e-06 deg
node 319.4699918094642 8.3597e-05 deg
peri 157.1585433474607 9.4465e-05 deg
M 19.48446559892876 4.1771e-05 deg
tp 2458935.859475282062
(2020-Mar-27.35947528)
0.00013859 TDB
period 1194.314967495794
3.27
7.7267e-06
2.115e-08
d
yr
n .3014280234257115 1.9501e-09 deg/d
Q 2.34756891770805 1.0125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      8531 days (23.36 yr)  
   first obs. used      1996-09-21  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:23:46  

Additional Information
 Earth MOID = 1.07496 au 
 Jupiter MOID = 2.6897 au 
 T_jup = 3.659 
[ 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 16.2   n/a MPO417343  
diameter diameter 1.491 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.347   0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74895 (1999 TL120)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TL120 = 1996 SY6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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