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134325 (4492 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2134325
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606765759025361 4.1996e-08  
a 2.262154273547186 1.1255e-08 au
q 1.898679070710335 9.8997e-08 au
i 5.306602002887652 5.1941e-06 deg
node 24.02857672757146 4.2533e-05 deg
peri 320.1572603003942 4.5553e-05 deg
M 272.3801770868582 1.7747e-05 deg
tp 2459302.969526442033
(2021-Mar-29.46952644)
6.2313e-05 TDB
period 1242.744231828392
3.40
9.2743e-06
2.539e-08
d
yr
n .289681489384464 2.1618e-09 deg/d
Q 2.625629476384037 1.3063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      17078 days (46.76 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56059  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:09:54  

Additional Information
 Earth MOID = .895148 au 
 Jupiter MOID = 2.77984 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457519.5 (2016-May-11.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159942084329852 4.1979e-08  
q 1.901316604492355 9.8852e-08 au
tp 2458060.251133060848
(2017-Nov-02.75113306)
5.8756e-05 TDB
node 24.04294698434613 4.2528e-05 deg
peri 320.078651010683 4.5572e-05 deg
i 5.306409194850558 5.1926e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      17078 days (46.76 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56059  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:09:54  

Additional Information
 Jupiter MOID = 2.77984 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.76221420138808E-15 -4.133179655482239E-15 4.572335207579889E-13 6.007061236832563E-15 1.396316798602614E-13 2.09965321095813E-15
q -4.133179655482239E-15 9.771731429052862E-15 -8.367605769128524E-13 -1.653699815603764E-14 -2.703496709136096E-13 -4.668869612236694E-15
tp 4.572335207579889E-13 -8.367605769128524E-13 3.452218756760246E-9 -1.867399377749357E-11 9.7231562451028E-10 1.155249988665964E-12
node 6.007061236832563E-15 -1.653699815603764E-14 -1.867399377749357E-11 1.808663512039292E-9 -1.80509614719572E-9 3.586698900808907E-11
peri 1.396316798602614E-13 -2.703496709136096E-13 9.7231562451028E-10 -1.80509614719572E-9 2.076840640227774E-9 -3.539431637685984E-11
i 2.09965321095813E-15 -4.668869612236694E-15 1.155249988665964E-12 3.586698900808907E-11 -3.539431637685984E-11 2.696260778268206E-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 16.6   n/a MPO426834  

134325 (4492 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 4492 T-2 = 2004 YO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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