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43172 (1999 XV172)
Classification: Main-belt Asteroid          SPK-ID: 2043172
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021309394638725 3.512e-08  
a 3.114804926074302 2.0376e-08 au
q 2.796686972727636 1.1799e-07 au
i 14.11234733299747 3.5283e-06 deg
node 87.60611134290544 1.903e-05 deg
peri 336.7730167715728 3.0319e-05 deg
M 324.4185729376504 2.2566e-05 deg
tp 2459398.956609623573
(2021-Jul-03.45660962)
0.00012587 TDB
period 2007.912143020395
5.50
1.9703e-05
5.394e-08
d
yr
n .1792907131177918 1.7593e-09 deg/d
Q 3.432922879420969 2.2458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1512  
   data-arc span      10865 days (29.75 yr)  
   first obs. used      1991-06-08  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50256  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:54  

Additional Information
 Earth MOID = 1.81602 au 
 Jupiter MOID = 1.85487 au 
 T_jup = 3.163 
[ 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 13.62   n/a E2021B10  
diameter diameter 12.368 km 3.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.033   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

43172 (1999 XV172)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XV172 = 1991 LE7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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