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19847 (2000 ST339)
Classification: Main-belt Asteroid          SPK-ID: 2019847
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828065176269385 3.7917e-08  
a 2.378730726908139 8.0069e-09 au
q 1.943883246349866 9.1522e-08 au
i 4.733196437421806 3.275e-06 deg
node 241.568823177856 4.8186e-05 deg
peri 272.0459591579069 4.9476e-05 deg
M 20.63861678743897 9.0578e-06 deg
tp 2458923.676438463012
(2020-Mar-15.17643846)
3.3796e-05 TDB
period 1340.035644740875
3.67
6.7659e-06
1.852e-08
d
yr
n .2686495701908093 1.3564e-09 deg/d
Q 2.813578207466411 9.4706e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1692  
   data-arc span      13681 days (37.46 yr)  
   first obs. used      1982-11-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:06:11  

Additional Information
 Earth MOID = .960965 au 
 Jupiter MOID = 2.21158 au 
 T_jup = 3.512 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457147.5 (2015-May-05.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831161488830345 3.8007e-08  
q 1.94316947175522 9.1764e-08 au
tp 2457584.306248107395
(2016-Jul-14.80624811)
3.5691e-05 TDB
node 241.6018104859067 4.8218e-05 deg
peri 272.2069753003622 4.9497e-05 deg
i 4.731415751350919 3.2743e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1692  
   data-arc span      13681 days (37.46 yr)  
   first obs. used      1982-11-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:06:11  

Additional Information
 Jupiter MOID = 2.21158 au 
 T_jup = 3.512 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.444567794858008E-15 -3.479051629779773E-15 6.891377477043668E-14 5.533770110145295E-15 6.426964748300645E-14 -2.373785330790427E-15
q -3.479051629779773E-15 8.420592811642834E-15 -2.566254325276471E-13 -1.190862470688923E-14 -1.863974971887633E-13 5.729796354634805E-15
tp 6.891377477043668E-14 -2.566254325276471E-13 1.273827428855642E-9 -1.174219855753364E-11 4.12083934285881E-10 2.870608103931501E-13
node 5.533770110145295E-15 -1.190862470688923E-14 -1.174219855753364E-11 2.324929553036726E-9 -2.320280159483053E-9 1.927655949691374E-11
peri 6.426964748300645E-14 -1.863974971887633E-13 4.12083934285881E-10 -2.320280159483053E-9 2.449970795127706E-9 -1.92039999217783E-11
i -2.373785330790427E-15 5.729796354634805E-15 2.870608103931501E-13 1.927655949691374E-11 -1.92039999217783E-11 1.072071991698324E-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 14.5   n/a MPO309309  
diameter diameter 8.518 km 2.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.039   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

19847 (2000 ST339)          Discovered 2000-Sep-25 by Spacewatch at Kitt Peak
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2179-Feb-04 12:45 00:02 Iris 0.0422565530731996 0.0422501932205672 0.0422629242559222 6.60569629172873 6.60569627113379 2516958.031335217 1.509985850105 1153.81960595654 57.6207596709119 74.2881912090655 105597.257398118 T 29 CATAB v2.0f-lin.ifort 2020-May-20 05:06:25 2020-May-20 05:06

Alternate Designations
 2000 ST339 = 1982 VF12 = 1996 TW58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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