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67031 (1999 XX166)
Classification: Main-belt Asteroid          SPK-ID: 2067031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123113814083166 4.9351e-08  
a 2.74092034621499 1.4963e-08 au
q 2.433083795801422 1.3723e-07 au
i 12.01701532158777 5.6211e-06 deg
node 46.65888824158097 1.8408e-05 deg
peri 326.6551630402199 2.668e-05 deg
M 271.3842457381417 2.1262e-05 deg
tp 2459608.491848853187
(2022-Jan-28.99184885)
9.9313e-05 TDB
period 1657.459972107527
4.54
1.3572e-05
3.716e-08
d
yr
n .2171998154152981 1.7785e-09 deg/d
Q 3.048756896628556 1.6643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1212  
   data-arc span      7576 days (20.74 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54619  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:50  

Additional Information
 Earth MOID = 1.4434 au 
 Jupiter MOID = 2.42206 au 
 T_jup = 3.309 
[ 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 14.31   n/a E2021B10  
diameter diameter 3.915 km 1.435 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67031 (1999 XX166)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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