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43175 (1999 XY189)
Classification: Main-belt Asteroid          SPK-ID: 2043175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004013352685246 2.6696e-08  
a 2.289591165974749 6.7139e-09 au
q 1.830754039094391 5.9862e-08 au
i 7.182436632392566 4.0466e-06 deg
node 355.7975505611871 2.2854e-05 deg
peri 279.3786321513157 2.5242e-05 deg
M 243.4211753179099 1.1596e-05 deg
tp 2459806.281652819754
(2022-Aug-14.78165282)
4.1509e-05 TDB
period 1265.421875862976
3.46
5.566e-06
1.524e-08
d
yr
n .2844901031559074 1.2513e-09 deg/d
Q 2.748428292855106 8.0594e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2085  
   data-arc span      9947 days (27.23 yr)  
   first obs. used      1994-03-12  
   last obs. used      2021-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:03:09  

Additional Information
 Earth MOID = .831398 au 
 Jupiter MOID = 2.41886 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457274.5 (2015-Sep-09.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004153229964946 2.666e-08  
q 1.830349719555011 5.9782e-08 au
tp 2457276.229932790278
(2015-Sep-10.72993279)
3.8085e-05 TDB
node 355.8438550576219 2.2846e-05 deg
peri 279.4012886718687 2.5239e-05 deg
i 7.18427116803738 4.0473e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2085  
   data-arc span      9947 days (27.23 yr)  
   first obs. used      1994-03-12  
   last obs. used      2021-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:03:09  

Additional Information
 Jupiter MOID = 2.41886 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.107622287972919E-16 -1.587876513247676E-15 2.724794658040242E-13 3.278403635963843E-15 6.127326140021075E-14 7.534045025257336E-16
q -1.587876513247676E-15 3.573880196933797E-15 -5.885880656422623E-13 -7.285741021905151E-15 -1.316633972223595E-13 -1.671966366509241E-15
tp 2.724794658040242E-13 -5.885880656422623E-13 1.450476921932917E-9 -3.741391013269744E-12 4.139237852553509E-10 8.836503613261819E-13
node 3.278403635963843E-15 -7.285741021905151E-15 -3.741391013269744E-12 5.219462774702178E-10 -5.184527209601774E-10 -3.470146819848443E-12
peri 6.127326140021075E-14 -1.316633972223595E-13 4.139237852553509E-10 -5.184527209601774E-10 6.370167154069143E-10 3.692421479285032E-12
i 7.534045025257336E-16 -1.671966366509241E-15 8.836503613261819E-13 -3.470146819848443E-12 3.692421479285032E-12 1.638061977299893E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.28   n/a MPCxxxxx  
diameter diameter 2.723 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.400   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43175 (1999 XY189)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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