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302169 (2001 TD45)
Classification: Aten [NEO, PHA]          SPK-ID: 2302169
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7774495528859602 2.6924e-07  
a .7967545778200088 3.4925e-09 au
q .177318087534001 2.1402e-07 au
i 25.38902257118011 3.5904e-05 deg
node 30.26352233951451 2.5999e-05 deg
peri 212.4551799645181 2.0987e-05 deg
M 59.54234136448679 4.3332e-05 deg
tp 2459157.535606500830
(2020-Nov-04.03560650)
3.1041e-05 TDB
period 259.7677771019987
0.71
1.708e-06
4.676e-09
d
yr
n 1.385853180160389 9.1121e-09 deg/d
Q 1.416191068106017 6.2077e-09 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      6583 days (18.02 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-24 06:08:16  

Additional Information
 Earth MOID = .0273523 au 
 Jupiter MOID = 3.65508 au 
 T_jup = 6.975 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457589.5 (2016-Jul-20.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7774435378224385 2.6923e-07  
q .1773245762900997 2.1403e-07 au
tp 2457598.918695774930
(2016-Jul-29.41869577)
2.3879e-05 TDB
node 30.28282334151446 2.5982e-05 deg
peri 212.4326940379938 2.0979e-05 deg
i 25.39765319414091 3.591e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      6583 days (18.02 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-24 06:08:16  

Additional Information
 Jupiter MOID = 3.65508 au 
 T_jup = 6.975 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.248428826030232E-14 -5.762355892362292E-14 6.035753497890574E-12 4.108158718728709E-12 -4.629367278280244E-12 3.856596973268037E-12
q -5.762355892362292E-14 4.580991783559292E-14 -4.798064633312708E-12 -3.260997396199886E-12 3.678675249767754E-12 -3.061641290466782E-12
tp 6.035753497890574E-12 -4.798064633312708E-12 5.70220930483729E-10 4.445356547060376E-10 -4.047861677756639E-10 3.829196809019168E-10
node 4.108158718728709E-12 -3.260997396199886E-12 4.445356547060376E-10 6.75065723563079E-10 -4.746204622561072E-10 7.30625528228476E-10
peri -4.629367278280244E-12 3.678675249767754E-12 -4.047861677756639E-10 -4.746204622561072E-10 4.401196952904439E-10 -5.837215120656736E-10
i 3.856596973268037E-12 -3.061641290466782E-12 3.829196809019168E-10 7.30625528228476E-10 -5.837215120656736E-10 1.28955811243843E-9

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 19.9   n/a MPO276928  

302169 (2001 TD45)          Discovered 2001-Oct-15 by LINEAR at Socorro
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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