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74934 (1999 TQ166)
Classification: Main-belt Asteroid          SPK-ID: 2074934
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08628224830673746 3.6817e-08  
a 2.273828601823061 9.2949e-09 au
q 2.077637557793602 8.1998e-08 au
i 6.022914195704946 5.4138e-06 deg
node 303.6327106852028 4.0741e-05 deg
peri 289.4113659324864 5.3092e-05 deg
M 149.5345817105666 3.323e-05 deg
tp 2458480.295441105859
(2018-Dec-27.79544111)
0.00011596 TDB
period 1252.376801804752
3.43
7.6791e-06
2.102e-08
d
yr
n .2874534241461658 1.7626e-09 deg/d
Q 2.47001964585252 1.0097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1310  
   data-arc span      7376 days (20.19 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:24:23  

Additional Information
 Earth MOID = 1.07533 au 
 Jupiter MOID = 2.55066 au 
 T_jup = 3.598 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456720.5 (2014-Mar-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08644639068714779 3.6911e-08  
q 2.077861834923627 8.2315e-08 au
tp 2457227.200073745916
(2015-Jul-23.70007375)
0.00011681 TDB
node 303.6839711654687 4.0758e-05 deg
peri 289.3491125755203 5.3005e-05 deg
i 6.021274621306393 5.4115e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1310  
   data-arc span      7376 days (20.19 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:24:23  

Additional Information
 Jupiter MOID = 2.55066 au 
 T_jup = 3.598 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.362390461830079E-15 -3.023022479584024E-15 -3.599002241995731E-13 2.657991607218199E-15 -1.205302317479381E-13 -2.803503577742451E-16
q -3.023022479584024E-15 6.775700376934727E-15 6.400411457880882E-13 -7.054651707057125E-15 2.161859345972208E-13 7.077319038534892E-16
tp -3.599002241995731E-13 6.400411457880882E-13 1.364572716984735E-8 3.268358400016603E-11 3.972145647903972E-9 5.589821004979547E-12
node 2.657991607218199E-15 -7.054651707057125E-15 3.268358400016603E-11 1.661231039289437E-9 -1.64167628010599E-9 4.925658414954757E-11
peri -1.205302317479381E-13 2.161859345972208E-13 3.972145647903972E-9 -1.64167628010599E-9 2.80957471497306E-9 -4.738252811680321E-11
i -2.803503577742451E-16 7.077319038534892E-16 5.589821004979547E-12 4.925658414954757E-11 -4.738252811680321E-11 2.928391332435752E-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 14.9   n/a MPO436307  

74934 (1999 TQ166)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TQ166 = 2000 YR34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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