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90718 (1991 RW3)
Classification: Main-belt Asteroid          SPK-ID: 2090718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2317381281993506 4.193e-08  
a 3.054084086947748 1.8725e-08 au
q 2.346336357275054 1.2814e-07 au
i 4.972741281917751 5.7072e-06 deg
node 335.4407574533354 5.3875e-05 deg
peri 88.0858223174086 5.5345e-05 deg
M 163.33381474774 1.2732e-05 deg
tp 2458512.008799354358
(2019-Jan-28.50879935)
6.5203e-05 TDB
period 1949.485063605525
5.34
1.7929e-05
4.909e-08
d
yr
n .1846641488671828 1.6983e-09 deg/d
Q 3.761831816620442 2.3064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      24274 days (66.46 yr)  
   first obs. used      1954-12-30  
   last obs. used      2021-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56048  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:36  

Additional Information
 Earth MOID = 1.36572 au 
 Jupiter MOID = 1.63094 au 
 T_jup = 3.189 
[ 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 15.32   n/a MPO637234  

90718 (1991 RW3)          Discovered 1991-Sep-12 by Borngen, F., Schmadel, L. D. at Tautenburg
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Alternate Designations
 1991 RW3 = 2002 TZ283 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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