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20800 (2000 SV172)
Classification: Main-belt Asteroid          SPK-ID: 2020800
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08814958034913563 4.5197e-08  
a 2.745604629909764 1.6146e-08 au
q 2.503580733978574 1.2481e-07 au
i 15.14621678057303 4.642e-06 deg
node 67.24146560590405 1.918e-05 deg
peri 348.7876896757866 3.3465e-05 deg
M 136.5488611333773 2.9181e-05 deg
tp 2458370.209144588427
(2018-Sep-08.70914459)
0.00013242 TDB
period 1661.710731710399
4.55
1.4658e-05
4.013e-08
d
yr
n .2166442047524433 1.911e-09 deg/d
Q 2.987628525840954 1.7569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      9013 days (24.68 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:00:35  

Additional Information
 Earth MOID = 1.5176 au 
 Jupiter MOID = 2.34486 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457033.5 (2015-Jan-11.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08726567474659853 4.4927e-08  
q 2.508392860049952 1.2388e-07 au
tp 2456712.440568222586
(2014-Feb-23.94056822)
0.00012957 TDB
node 67.32024614940991 1.918e-05 deg
peri 349.8795870735115 3.3793e-05 deg
i 15.14239870287499 4.6389e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      9013 days (24.68 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:00:35  

Additional Information
 Jupiter MOID = 2.34486 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.018440909076021E-15 -5.526461671747272E-15 -1.535310670854323E-12 6.823529236972415E-15 -3.890741813619135E-13 8.606556204381092E-16
q -5.526461671747272E-15 1.53461850434504E-14 4.719033677730961E-12 -1.773290009633766E-14 1.18040455281881E-12 -2.474810292061851E-15
tp -1.535310670854323E-12 4.719033677730961E-12 1.678941586528866E-8 8.478347561847018E-12 3.636660751705517E-9 -8.452652123583716E-12
node 6.823529236972415E-15 -1.773290009633766E-14 8.478347561847018E-12 3.67883079474797E-10 -3.530361355321621E-10 -3.08171107209805E-11
peri -3.890741813619135E-13 1.18040455281881E-12 3.636660751705517E-9 -3.530361355321621E-10 1.14195044343795E-9 2.79256520018694E-11
i 8.606556204381092E-16 -2.474810292061851E-15 -8.452652123583716E-12 -3.08171107209805E-11 2.79256520018694E-11 2.151965910756039E-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 13.9   n/a MPO381430  
diameter diameter 4.015 km 0.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.398   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20800 (2000 SV172)          Discovered 2000-Sep-27 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 SV172 = 1995 WP2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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