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85089 (3304 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085089
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 .1120639110571395 4.9674e-08  
a 2.947079907444252 1.9989e-08 au
q 2.616818606818136 1.4783e-07 au
i 2.989442894955749 5.2663e-06 deg
node 52.93585030702371 7.6574e-05 deg
peri 336.80754634 7.9219e-05 deg
M 60.54801424416294 1.9167e-05 deg
tp 2458689.698076577557
(2019-Jul-25.19807658)
9.8656e-05 TDB
period 1847.933310923835
5.06
1.88e-05
5.147e-08
d
yr
n .1948122250256021 1.982e-09 deg/d
Q 3.277341208070367 2.2229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      16926 days (46.34 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:26:26  

Additional Information
 Earth MOID = 1.6224 au 
 Jupiter MOID = 2.15195 au 
 T_jup = 3.259 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457069.5 (2015-Feb-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090152591271221 4.895e-08  
q 2.625639826581473 1.4471e-07 au
tp 2456831.516059213367
(2014-Jun-23.01605921)
0.0001074 TDB
node 53.0638165207593 7.6799e-05 deg
peri 335.00338696276 7.9687e-05 deg
i 2.987475509062181 5.2534e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      16926 days (46.34 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:26:26  

Additional Information
 Jupiter MOID = 2.15195 au 
 T_jup = 3.259 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.396090409378567E-15 -7.030447957009035E-15 1.198003547694502E-12 1.174858415445154E-14 1.443869933842931E-13 7.027830825928924E-16
q -7.030447957009035E-15 2.094172131462314E-14 -3.99919695642741E-12 -3.441588464125943E-14 -5.102890167146234E-13 -1.648017671138366E-15
tp 1.198003547694502E-12 -3.99919695642741E-12 1.15337847147825E-8 3.227989100922335E-12 2.287988496759156E-9 -6.05992744737456E-13
node 1.174858415445154E-14 -3.441588464125943E-14 3.227989100922335E-12 5.898133571904877E-9 -5.889688720605978E-9 3.163914662111398E-11
peri 1.443869933842931E-13 -5.102890167146234E-13 2.287988496759156E-9 -5.889688720605978E-9 6.350035991731238E-9 -3.175256923308454E-11
i 7.027830825928924E-16 -1.648017671138366E-15 -6.05992744737456E-13 3.163914662111398E-11 -3.175256923308454E-11 2.75977498093542E-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 15.2   n/a MPO453281  

85089 (3304 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 3304 T-2 = 2003 RX23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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