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173992 (2001 XM178)
Classification: Outer Main-belt Asteroid          SPK-ID: 2173992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821908490425305 5.4195e-08  
a 3.203701830925217 3.7787e-08 au
q 2.620016674269842 1.8135e-07 au
i 16.13858421907573 6.9882e-06 deg
node 110.4373750579835 2.3683e-05 deg
peri 285.4815907284975 3.0866e-05 deg
M 125.6895100849799 2.1874e-05 deg
tp 2458269.237852213786
(2018-May-30.73785221)
0.00012151 TDB
period 2094.481655828302
5.73
3.7056e-05
1.015e-07
d
yr
n .1718802353786342 3.041e-09 deg/d
Q 3.787386987580592 4.4672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6629 days (18.15 yr)  
   first obs. used      2001-12-09  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:14:33  

Additional Information
 Earth MOID = 1.68428 au 
 Jupiter MOID = 1.81907 au 
 T_jup = 3.106 
[ 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 15.3   n/a MPO469866  
diameter diameter 5.803 km 0.765 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173992 (2001 XM178)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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