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JPL Small-Body Database Browser
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56309 (1999 RW140)
Classification: Main-belt Asteroid          SPK-ID: 2056309
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08266937791046942 4.2152e-08  
a 2.198249542516393 8.1489e-09 au
q 2.016521620344589 9.2596e-08 au
i 1.590384176996934 4.7495e-06 deg
node 240.9082403063711 0.00013899 deg
peri 357.104327829403 0.00014104 deg
M 99.58222005546465 2.5116e-05 deg
tp 2458271.198872767818
(2018-Jun-01.69887277)
8.2556e-05 TDB
period 1190.457550931856
3.26
6.6195e-06
1.812e-08
d
yr
n .3024047348166277 1.6815e-09 deg/d
Q 2.379977464688197 8.8225e-09 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      13737 days (37.61 yr)  
   first obs. used      1982-04-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51088  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 04:42:21  

Additional Information
 Earth MOID = 1.0042 au 
 Jupiter MOID = 2.61111 au 
 T_jup = 3.662 
[ 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 15.8   n/a MPO452935  

56309 (1999 RW140)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RW140 = 2000 YP44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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