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38271 (1999 RW35)
Classification: Main-belt Asteroid          SPK-ID: 2038271
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07606607962255776 5.0971e-08  
a 2.845129803173796 1.6747e-08 au
q 2.628711933029066 1.4695e-07 au
i 2.136687050180748 5.7848e-06 deg
node 8.307442532961453 0.00011204 deg
peri 339.3462917965444 0.0001156 deg
M 176.2511195844836 2.9732e-05 deg
tp 2458342.314963196198
(2018-Aug-11.81496320)
0.00014325 TDB
period 1752.877451092045
4.80
1.5476e-05
4.237e-08
d
yr
n .2053765936550326 1.8133e-09 deg/d
Q 3.061547673318527 1.8021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      11528 days (31.56 yr)  
   first obs. used      1989-08-30  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54814  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:09:10  

Additional Information
 Earth MOID = 1.62014 au 
 Jupiter MOID = 2.26385 au 
 T_jup = 3.302 
[ 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 15.08   n/a E2021B10  

38271 (1999 RW35)          Discovered 1999-Sep-12 by Wolf, M., Pravec, P. at Ondrejov
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RW35 = 1999 SS27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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