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JPL Small-Body Database Browser
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193971 (2001 RW99)
Classification: Main-belt Asteroid          SPK-ID: 2193971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846478186612918 4.8913e-08  
a 2.291522288779566 1.2908e-08 au
q 1.868397696742688 1.1245e-07 au
i 3.089369371590916 4.4416e-06 deg
node 99.35987483359597 0.00011201 deg
peri 233.4093662831206 0.0001134 deg
M 34.76443121657977 1.632e-05 deg
tp 2458478.146278573579
(2018-Dec-25.64627857)
5.724e-05 TDB
period 1267.023166267269
3.47
1.0706e-05
2.931e-08
d
yr
n .2841305586073719 2.4008e-09 deg/d
Q 2.714646880816444 1.5292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6199 days (16.97 yr)  
   first obs. used      2001-08-13  
   last obs. used      2018-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58918  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:38:55  

Additional Information
 Earth MOID = .859024 au 
 Jupiter MOID = 2.63968 au 
 T_jup = 3.573 
[ 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 17.2   n/a MPO454349  

193971 (2001 RW99)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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