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43167 (1999 XY157)
Classification: Main-belt Asteroid          SPK-ID: 2043167
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774386724581471 5.7315e-08  
a 2.858197327501259 1.787e-08 au
q 2.351042588086012 1.5806e-07 au
i 8.489581373415703 4.2395e-06 deg
node 239.4704693775993 3.2261e-05 deg
peri 149.8278768602355 3.4299e-05 deg
M 165.5150492894428 1.1295e-05 deg
tp 2458389.031385668075
(2018-Sep-27.53138567)
5.4547e-05 TDB
period 1764.967611184622
4.83
1.6553e-05
4.532e-08
d
yr
n .2039697486337287 1.9129e-09 deg/d
Q 3.365352066916507 2.1041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      8207 days (22.47 yr)  
   first obs. used      1998-08-24  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:51  

Additional Information
 Earth MOID = 1.36023 au 
 Jupiter MOID = 2.09365 au 
 T_jup = 3.263 
[ 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 14.41   n/a E2021B10  
diameter diameter 3.743 km 0.649 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43167 (1999 XY157)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20020624/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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