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JPL Small-Body Database Browser
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249568 (1985 RX)
Classification: Main-belt Asteroid          SPK-ID: 2249568
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2578358361611172 6.4017e-08  
a 2.595028307298661 3.0918e-08 au
q 1.925937013824542 1.8267e-07 au
i 13.66948064554513 1.034e-05 deg
node 319.2032230399616 1.5742e-05 deg
peri 73.91557797601949 3.2575e-05 deg
M 1.525260845025287 3.2921e-05 deg
tp 2458594.030760983388
(2019-Apr-20.53076098)
0.00013954 TDB
period 1526.903449712388
4.18
2.7288e-05
7.471e-08
d
yr
n .235771292590773 4.2136e-09 deg/d
Q 3.26411960077278 3.889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      12070 days (33.05 yr)  
   first obs. used      1985-09-14  
   last obs. used      2018-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54019  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:21:05  

Additional Information
 Earth MOID = .980573 au 
 Jupiter MOID = 2.419 au 
 T_jup = 3.331 
[ 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 16.5   n/a MPO454850  

249568 (1985 RX)          Discovered 1985-Sep-14 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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