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JPL Small-Body Database Browser
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39045 (2000 US93)
Classification: Main-belt Asteroid          SPK-ID: 2039045
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07969521984145761 3.9697e-08  
a 2.330105616362752 9.8961e-09 au
q 2.144407337012908 9.3454e-08 au
i 5.751519757226477 4.4521e-06 deg
node 280.564244548236 4.0027e-05 deg
peri 272.7546281469166 4.9623e-05 deg
M 33.95128597289469 3.0273e-05 deg
tp 2458877.977580384863
(2020-Jan-29.47758038)
0.00010918 TDB
period 1299.157595876147
3.56
8.2764e-06
2.266e-08
d
yr
n .2771026403130232 1.7653e-09 deg/d
Q 2.515803895712597 1.0685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1335  
   data-arc span      9544 days (26.13 yr)  
   first obs. used      1993-12-13  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:04:32  

Additional Information
 Earth MOID = 1.15257 au 
 Jupiter MOID = 2.47723 au 
 T_jup = 3.560 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456898.5 (2014-Aug-29.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08018156858601493 3.9594e-08  
q 2.143284303394172 9.3312e-08 au
tp 2456279.968841236174
(2012-Dec-18.46884124)
0.00010869 TDB
node 280.6239175055038 4.0011e-05 deg
peri 272.8354661872196 4.9567e-05 deg
i 5.752623552656842 4.4538e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1335  
   data-arc span      9544 days (26.13 yr)  
   first obs. used      1993-12-13  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:04:32  

Additional Information
 Jupiter MOID = 2.47723 au 
 T_jup = 3.560 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.567662127136432E-15 -3.676801992623382E-15 -1.950955273139032E-12 5.805335389522732E-15 -5.03101682110255E-13 -1.140551098148676E-15
q -3.676801992623382E-15 8.707065677274534E-15 4.479080068926306E-12 -1.338922402652772E-14 1.16322425618559E-12 2.823827487259923E-15
tp -1.950955273139032E-12 4.479080068926306E-12 1.181292878224801E-8 1.198142663126516E-11 3.19310071487487E-9 4.634496780183696E-12
node 5.805335389522732E-15 -1.338922402652772E-14 1.198142663126516E-11 1.600908504995854E-9 -1.58892607561949E-9 6.452402054082861E-11
peri -5.03101682110255E-13 1.16322425618559E-12 3.19310071487487E-9 -1.58892607561949E-9 2.456855652943843E-9 -6.294850821618949E-11
i -1.140551098148676E-15 2.823827487259923E-15 4.634496780183696E-12 6.452402054082861E-11 -6.294850821618949E-11 1.983623005609068E-11

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 14.8   n/a MPO421954  
diameter diameter 2.397 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.405   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39045 (2000 US93)          Discovered 2000-Oct-25 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 US93 = 1998 AZ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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