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152731 (1998 VU43)
Classification: Main-belt Asteroid          SPK-ID: 2152731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1675288982408079 5.9205e-08  
a 2.401744755099897 7.9213e-09 au
q 1.999383102422372 1.4171e-07 au
i 3.913288206858835 4.2916e-06 deg
node 106.0946401445172 8.0653e-05 deg
peri 304.3721082885805 8.3153e-05 deg
M 8.649570004119232 1.6469e-05 deg
tp 2459167.835146068295
(2020-Nov-14.33514607)
6.2225e-05 TDB
period 1359.529711860069
3.72
6.7259e-06
1.841e-08
d
yr
n .2647974493381675 1.31e-09 deg/d
Q 2.804106407777422 9.2484e-09 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      9608 days (26.31 yr)  
   first obs. used      1994-12-02  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:41:57  

Additional Information
 Earth MOID = 1.01237 au 
 Jupiter MOID = 2.56043 au 
 T_jup = 3.503 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457517.5 (2016-May-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1688045187378259 5.997e-08  
q 1.996269851581992 1.4391e-07 au
tp 2457805.490474878746
(2017-Feb-20.99047488)
6.2257e-05 TDB
node 106.1466858779932 8.0809e-05 deg
peri 303.7576942573037 8.3208e-05 deg
i 3.910338738008269 4.2891e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      9608 days (26.31 yr)  
   first obs. used      1994-12-02  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:41:57  

Additional Information
 Jupiter MOID = 2.56043 au 
 T_jup = 3.503 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.596441617707122E-15 -8.62151200687074E-15 -1.83275108102542E-12 -5.559012777907865E-14 -6.247795933260163E-13 -7.714957393547051E-15
q -8.62151200687074E-15 2.070983166874055E-14 4.307744546794666E-12 1.325546937390793E-13 1.467577615682372E-12 1.852873465543156E-14
tp -1.83275108102542E-12 4.307744546794666E-12 3.875973082679453E-9 5.304646745428165E-11 1.26622705415423E-9 3.590853600983751E-12
node -5.559012777907865E-14 1.325546937390793E-13 5.304646745428165E-11 6.530072082652843E-9 -6.495930672804499E-9 -9.139896500261144E-11
peri -6.247795933260163E-13 1.467577615682372E-12 1.26622705415423E-9 -6.495930672804499E-9 6.923637056507227E-9 9.253273297689554E-11
i -7.714957393547051E-15 1.852873465543156E-14 3.590853600983751E-12 -9.139896500261144E-11 9.253273297689554E-11 1.839668966494412E-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 16.51   n/a E2021B55  
diameter diameter 3.445 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152731 (1998 VU43)          Discovered 1998-Nov-15 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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