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JPL Small-Body Database Browser
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74983 (1999 TP242)
Classification: Main-belt Asteroid          SPK-ID: 2074983
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06804201074759171 3.2827e-08  
a 2.221780100283857 8.287e-09 au
q 2.070605714821558 7.3951e-08 au
i 7.014091997174865 4.5163e-06 deg
node 91.22748113186292 2.8069e-05 deg
peri 310.0497467173768 4.8078e-05 deg
M 317.2227761975143 3.6473e-05 deg
tp 2458744.234204904263
(2019-Sep-17.73420490)
0.00012237 TDB
period 1209.622999483382
3.31
6.7677e-06
1.853e-08
d
yr
n .2976133887614177 1.6651e-09 deg/d
Q 2.372954485746157 8.8509e-09 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      7390 days (20.23 yr)  
   first obs. used      1999-09-13  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:30  

Additional Information
 Earth MOID = 1.08707 au 
 Jupiter MOID = 2.86566 au 
 T_jup = 3.636 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456980.5 (2014-Nov-19.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06835111204822868 3.2591e-08  
q 2.069936792019313 7.3357e-08 au
tp 2457531.836171458036
(2016-May-23.33617146)
0.00012371 TDB
node 91.26913024767589 2.8092e-05 deg
peri 309.3278417788099 4.8017e-05 deg
i 7.01176825076436 4.5143e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      7390 days (20.23 yr)  
   first obs. used      1999-09-13  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:30  

Additional Information
 Jupiter MOID = 2.86566 au 
 T_jup = 3.636 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.062185067115154E-15 -2.377635746072812E-15 1.314874145773438E-12 -1.690033014382115E-14 4.32257267571168E-13 -1.054600709812983E-15
q -2.377635746072812E-15 5.381186660077125E-15 -3.171428299063821E-12 3.812712282707212E-14 -1.044385433604711E-12 2.457703238527462E-15
tp 1.314874145773438E-12 -3.171428299063821E-12 1.530500383516541E-8 -7.848520747847955E-11 4.825141379994006E-9 -3.062610000686705E-12
node -1.690033014382115E-14 3.812712282707212E-14 -7.848520747847955E-11 7.891493144296143E-10 -8.07030874000185E-10 1.50146388887485E-11
peri 4.32257267571168E-13 -1.044385433604711E-12 4.825141379994006E-9 -8.07030874000185E-10 2.305595707751031E-9 -1.586082925589186E-11
i -1.054600709812983E-15 2.457703238527462E-15 -3.062610000686705E-12 1.50146388887485E-11 -1.586082925589186E-11 2.037930552788024E-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 15.7   n/a MPO453162  

74983 (1999 TP242)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TP242 = 2001 FQ56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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