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90833 (1995 UQ18)
Classification: Main-belt Asteroid          SPK-ID: 2090833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155818623633779 4.4777e-08  
a 2.731821659379721 1.9604e-08 au
q 2.416072624343999 1.2734e-07 au
i 11.7637304987983 5.8658e-06 deg
node 199.3210109857019 2.5977e-05 deg
peri 47.44190499879067 3.9355e-05 deg
M 278.6124021600779 3.2612e-05 deg
tp 2459373.348733826523
(2021-Jun-07.84873383)
0.00015091 TDB
period 1649.213734524405
4.52
1.7752e-05
4.86e-08
d
yr
n .2182858367377202 2.3497e-09 deg/d
Q 3.047570694415442 2.187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      8953 days (24.51 yr)  
   first obs. used      1995-10-18  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:35:11  

Additional Information
 Earth MOID = 1.42103 au 
 Jupiter MOID = 1.9836 au 
 T_jup = 3.314 
[ 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 15.5   n/a MPO502688  

90833 (1995 UQ18)          Discovered 1995-Oct-18 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1995 UQ18 = 1998 FH136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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