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102266 (1999 TD40)
Classification: Main-belt Asteroid          SPK-ID: 2102266
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671082133498876 3.6513e-08  
a 2.348359858137081 1.0491e-08 au
q 1.955929637941198 8.7368e-08 au
i 3.739508790945751 3.9685e-06 deg
node 58.37253638103253 6.8268e-05 deg
peri 353.3243334428083 6.9793e-05 deg
M 292.545240205079 1.4477e-05 deg
tp 2459446.794945003166
(2021-Aug-20.29494500)
5.3411e-05 TDB
period 1314.45402030497
3.60
8.8083e-06
2.412e-08
d
yr
n .2738779709589808 1.8353e-09 deg/d
Q 2.740790078332964 1.2244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:10  

Additional Information
 Earth MOID = .966033 au 
 Jupiter MOID = 2.61788 au 
 T_jup = 3.538 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457035.5 (2015-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680287282354811 3.6422e-08  
q 1.953617226507042 8.7218e-08 au
tp 2456819.751471649402
(2014-Jun-11.25147165)
4.9427e-05 TDB
node 58.4618538090856 6.8158e-05 deg
peri 353.4991119523073 6.9656e-05 deg
i 3.742979920226403 3.9714e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:10  

Additional Information
 Jupiter MOID = 2.61788 au 
 T_jup = 3.538 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.326528218449047E-15 -3.16136617180099E-15 -7.162401379060939E-13 -1.808942849476682E-14 -2.131945826451771E-13 -6.207490771792415E-16
q -3.16136617180099E-15 7.606893338392003E-15 1.686447792273829E-12 4.395047096681336E-14 5.041867462537328E-13 1.531940818644503E-15
tp -7.162401379060939E-13 1.686447792273829E-12 2.443031011070445E-9 2.574176953557126E-11 7.3113947607845E-10 -2.70476997582279E-13
node -1.808942849476682E-14 4.395047096681336E-14 2.574176953557126E-11 4.64551451505923E-9 -4.627250398746631E-9 -8.133941691291011E-11
peri -2.131945826451771E-13 5.041867462537328E-13 7.3113947607845E-10 -4.627250398746631E-9 4.85198558067894E-9 8.109850439323923E-11
i -6.207490771792415E-16 1.531940818644503E-15 -2.70476997582279E-13 -8.133941691291011E-11 8.109850439323923E-11 1.577162925724122E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.29   n/a E2021B55  
diameter diameter 2.711 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.087   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

102266 (1999 TD40)          Discovered 1999-Oct-05 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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