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JPL Small-Body Database Browser
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95550 (2002 ET89)
Classification: Outer Main-belt Asteroid          SPK-ID: 2095550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102908701998707 8.5639e-08  
a 3.223123188303682 2.9075e-08 au
q 2.891435764613416 2.8989e-07 au
i 17.40272929013307 6.241e-06 deg
node 183.900783006646 1.7838e-05 deg
peri 24.26655733274983 3.0119e-05 deg
M 15.54567793952723 2.7017e-05 deg
tp 2458909.231492376754
(2020-Feb-29.73149238)
0.00015822 TDB
period 2113.556119725451
5.79
2.8599e-05
7.83e-08
d
yr
n .1703290471637742 2.3048e-09 deg/d
Q 3.554810611993947 3.2067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      8308 days (22.75 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 23:46:50  

Additional Information
 Earth MOID = 1.89715 au 
 Jupiter MOID = 1.41772 au 
 T_jup = 3.108 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO436438  

95550 (2002 ET89)          Discovered 2002-Mar-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 2002 ET89 = 1997 JB3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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