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66771 (1999 TM210)
Classification: Main-belt Asteroid          SPK-ID: 2066771
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092100363384085 6.3783e-08  
a 2.685443152567887 1.4402e-08 au
q 2.123621493034429 1.6836e-07 au
i 11.52896527388797 8.3273e-06 deg
node 335.0277356172001 2.0028e-05 deg
peri 124.4863411170952 2.6743e-05 deg
M 258.9983302709171 1.783e-05 deg
tp 2459651.470802097289
(2022-Mar-12.97080210)
8.1398e-05 TDB
period 1607.394107349854
4.40
1.293e-05
3.54e-08
d
yr
n .2239649867782207 1.8016e-09 deg/d
Q 3.247264812101345 1.7414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1133  
   data-arc span      9029 days (24.72 yr)  
   first obs. used      1996-03-15  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47033  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:50  

Additional Information
 Earth MOID = 1.1634 au 
 Jupiter MOID = 1.96471 au 
 T_jup = 3.314 
[ 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 14.29   n/a E2021B10  
diameter diameter 6.297 km 0.349 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66771 (1999 TM210)          Discovered 1999-Oct-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TM210 = 1996 EN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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