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70666 (1999 TW286)
Classification: Main-belt Asteroid          SPK-ID: 2070666
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05882658533535336 5.039e-08  
a 2.700110501907749 1.9464e-08 au
q 2.541272221052389 1.3331e-07 au
i 21.00170950944802 7.5145e-06 deg
node 212.1618512173875 1.2249e-05 deg
peri 241.7365409277848 6.2844e-05 deg
M 170.1035955743234 5.9155e-05 deg
tp 2458234.759307430198
(2018-Apr-26.25930743)
0.00026805 TDB
period 1620.580966524495
4.44
1.7523e-05
4.798e-08
d
yr
n .2221425571670496 2.402e-09 deg/d
Q 2.858948782763109 2.0609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      10427 days (28.55 yr)  
   first obs. used      1990-10-13  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:14:09  

Additional Information
 Earth MOID = 1.59994 au 
 Jupiter MOID = 2.33609 au 
 T_jup = 3.270 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456903.5 (2014-Sep-03.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06046621613253542 5.0333e-08  
q 2.535602119617781 1.3342e-07 au
tp 2456616.746000878699
(2013-Nov-20.24600088)
0.00026506 TDB
node 212.1977462362824 1.2245e-05 deg
peri 241.8685211681627 6.1217e-05 deg
i 21.00973801137074 7.5167e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      10427 days (28.55 yr)  
   first obs. used      1990-10-13  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:14:09  

Additional Information
 Jupiter MOID = 2.33609 au 
 T_jup = 3.270 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.533428271592291E-15 -6.653202991812017E-15 -6.812397762997882E-12 3.766606795928354E-15 -1.563612678248534E-12 -5.294473311523225E-15
q -6.653202991812017E-15 1.780220259948198E-14 1.694794126026357E-11 -1.137811586171287E-14 3.905384595584961E-12 1.588618812933755E-14
tp -6.812397762997882E-12 1.694794126026357E-11 7.025715894695186E-8 -3.128688799824535E-11 1.590941364154927E-8 1.557276686042325E-11
node 3.766606795928354E-15 -1.137811586171287E-14 -3.128688799824535E-11 1.499375176165851E-10 -1.465322628291024E-10 8.352190717451905E-12
peri -1.563612678248534E-12 3.905384595584961E-12 1.590941364154927E-8 -1.465322628291024E-10 3.747516455077663E-9 -4.077108341207323E-12
i -5.294473311523225E-15 1.588618812933755E-14 1.557276686042325E-11 8.352190717451905E-12 -4.077108341207323E-12 5.65002837355554E-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 15.1   n/a MPO337795  
diameter diameter 2.939 km 0.739 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70666 (1999 TW286)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TW286 = 2002 JE115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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