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101091 (1998 RW33)
Classification: Main-belt Asteroid          SPK-ID: 2101091
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630980775953184 4.5849e-08  
a 2.282793530392171 6.9242e-09 au
q 1.910474294038178 1.0207e-07 au
i 5.927429991624179 4.2718e-06 deg
node 31.76540465580582 3.2261e-05 deg
peri 359.7168171702678 3.5199e-05 deg
M 130.5875438456232 1.2195e-05 deg
tp 2458743.519541345114
(2019-Sep-17.01954135)
4.2146e-05 TDB
period 1259.790637537692
3.45
5.7319e-06
1.569e-08
d
yr
n .2857617680852379 1.3002e-09 deg/d
Q 2.655112766746164 8.0536e-09 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      8694 days (23.80 yr)  
   first obs. used      1997-04-29  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:10  

Additional Information
 Earth MOID = .915002 au 
 Jupiter MOID = 2.78266 au 
 T_jup = 3.579 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO453464  
diameter diameter 2.054 km 0.377 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101091 (1998 RW33)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 RW33 = 1997 HC15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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