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118021 (2035 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118021
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0679421760414768 4.2685e-08  
a 2.221749820132253 8.1564e-09 au
q 2.070799302732708 9.5466e-08 au
i 1.702660293068547 4.9854e-06 deg
node 179.6683454365099 0.000134 deg
peri 124.3253546302039 0.00013797 deg
M 148.6719052317162 3.3293e-05 deg
tp 2458700.963112443241
(2019-Aug-05.46311244)
0.00011165 TDB
period 1209.598271039505
3.31
6.6609e-06
1.824e-08
d
yr
n .2976194730260511 1.6389e-09 deg/d
Q 2.372700337531798 8.7105e-09 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      17308 days (47.39 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54323  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:21  

Additional Information
 Earth MOID = 1.05413 au 
 Jupiter MOID = 2.74449 au 
 T_jup = 3.645 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457129.5 (2015-Apr-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06811795089156762 4.2656e-08  
q 2.070168781227355 9.5376e-08 au
tp 2457492.715303960738
(2016-Apr-14.21530396)
0.00011115 TDB
node 179.6998372912259 0.00013397 deg
peri 124.6236600483948 0.00013792 deg
i 1.702612360373119 4.9867e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      17308 days (47.39 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54323  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:21  

Additional Information
 Jupiter MOID = 2.74449 au 
 T_jup = 3.645 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.819520968990764E-15 -4.055349781817528E-15 1.347884788266791E-12 1.190148730284118E-15 3.7432865761205E-13 -4.414453225664237E-17
q -4.055349781817528E-15 9.096545286483578E-15 -2.993149097504434E-12 -2.127190016165159E-15 -8.377738404016806E-13 8.874700545717352E-17
tp 1.347884788266791E-12 -2.993149097504434E-12 1.235539920964878E-8 1.520256548836321E-11 3.655713782119152E-9 -7.08682175684157E-13
node 1.190148730284118E-15 -2.127190016165159E-15 1.520256548836321E-11 1.794710190738105E-8 -1.793372761949024E-8 -1.025723491648694E-10
peri 3.7432865761205E-13 -8.377738404016806E-13 3.655713782119152E-9 -1.793372761949024E-8 1.902222089718228E-8 1.023267078881445E-10
i -4.414453225664237E-17 8.874700545717352E-17 -7.08682175684157E-13 -1.025723491648694E-10 1.023267078881445E-10 2.486739668175101E-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 16.42   n/a MPCxxxxx  

118021 (2035 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2035 T-2 = 2002 DF19 = 2003 UQ161 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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