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JPL Small-Body Database Browser
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243655 (1999 US25)
Classification: Main-belt Asteroid          SPK-ID: 2243655
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2766370656235933 7.9304e-08  
a 2.5393805827999 8.1908e-09 au
q 1.836893789872605 2.0532e-07 au
i 4.797712629191883 6.1051e-06 deg
node 28.93862140171466 3.7377e-05 deg
peri 338.628039220852 3.8269e-05 deg
M 315.8099020981485 5.6997e-06 deg
tp 2458781.931454203660
(2019-Oct-25.43145420)
2.3642e-05 TDB
period 1478.053378799622
4.05
7.1512e-06
1.958e-08
d
yr
n .2435635986924697 1.1784e-09 deg/d
Q 3.241867375727194 1.0457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      1999-10-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5424  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:16:17  

Additional Information
 Earth MOID = .836233 au 
 Jupiter MOID = 2.21658 au 
 T_jup = 3.387 
[ 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 MPO440240  

243655 (1999 US25)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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