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66800 (1999 TB270)
Classification: Main-belt Asteroid          SPK-ID: 2066800
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08072627640913113 4.6249e-08  
a 3.105415546041477 2.7665e-08 au
q 2.85472691230652 1.5321e-07 au
i 9.949011668899272 4.8147e-06 deg
node 283.0796995982762 2.8238e-05 deg
peri 25.26701974552601 4.191e-05 deg
M 17.4796589280499 2.9851e-05 deg
tp 2459103.447111708903
(2020-Sep-10.94711171)
0.00016566 TDB
period 1998.839904634964
5.47
2.671e-05
7.313e-08
d
yr
n .180104469179959 2.4067e-09 deg/d
Q 3.356104179776434 2.9898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      754  
   data-arc span      9119 days (24.97 yr)  
   first obs. used      1995-11-29  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:01  

Additional Information
 Earth MOID = 1.84109 au 
 Jupiter MOID = 1.85273 au 
 T_jup = 3.192 
[ 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 14.58   n/a E2021B10  
diameter diameter 6.066 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66800 (1999 TB270)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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