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43186 (1999 XQ230)
Classification: Main-belt Asteroid          SPK-ID: 2043186
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135014029301261 5.5876e-08  
a 2.556498689326896 9.5633e-09 au
q 2.010682632566575 1.4598e-07 au
i 8.525007150799977 3.5087e-06 deg
node 253.6324447149175 3.3899e-05 deg
peri 78.56413801611892 3.5374e-05 deg
M 111.2554613879071 8.3656e-06 deg
tp 2458739.091461666822
(2019-Sep-12.59146167)
3.4314e-05 TDB
period 1493.023998352671
4.09
8.3776e-06
2.294e-08
d
yr
n .2411213754080351 1.353e-09 deg/d
Q 3.102314746087216 1.1605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1306  
   data-arc span      8358 days (22.88 yr)  
   first obs. used      1998-05-01  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50985  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:24:23  

Additional Information
 Earth MOID = 1.0192 au 
 Jupiter MOID = 2.33002 au 
 T_jup = 3.390 
[ 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 15.01   n/a MPCxxxxx  
diameter diameter 2.832 km 0.688 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.290   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43186 (1999 XQ230)          Discovered 1999-Dec-07 by LONEOS at Anderson Mesa
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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