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1500 Jyvaskyla (1938 UH)
Classification: Main-belt Asteroid          SPK-ID: 2001500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900859740194916 3.2055e-08  
a 2.242313495107842 5.5625e-09 au
q 1.816081150333217 7.1209e-08 au
i 7.432530953385434 3.8654e-06 deg
node 19.89304074429054 2.4608e-05 deg
peri 17.29003491043048 2.6553e-05 deg
M 106.2500017813356 1.0505e-05 deg
tp 2458638.532675129744
(2019-Jun-04.03267513)
3.5275e-05 TDB
period 1226.430444881017
3.36
4.5636e-06
1.249e-08
d
yr
n .2935347874823229 1.0923e-09 deg/d
Q 2.668545839882467 6.6199e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2489  
   data-arc span      26222 days (71.79 yr)  
   first obs. used      1948-09-30  
   last obs. used      2020-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:35:56  

Additional Information
 Earth MOID = .824284 au 
 Jupiter MOID = 2.7689 au 
 T_jup = 3.599 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456745.5 (2014-Mar-29.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899731252633035 3.2133e-08  
q 1.816169537446686 7.1403e-08 au
tp 2456183.879637144346
(2012-Sep-13.37963714)
3.2994e-05 TDB
node 19.93565345321751 2.4582e-05 deg
peri 16.91140935805636 2.6541e-05 deg
i 7.438053233292798 3.8678e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2489  
   data-arc span      26222 days (71.79 yr)  
   first obs. used      1948-09-30  
   last obs. used      2020-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:35:56  

Additional Information
 Jupiter MOID = 2.7689 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.032527292636661E-15 -2.289966064035434E-15 -2.518541416899717E-13 2.911399084733165E-15 -1.084566594962699E-13 -3.932645428788696E-16
q -2.289966064035434E-15 5.098370667363895E-15 5.846337937598534E-13 -6.227397226989356E-15 2.493221394843529E-13 7.986321362582471E-16
tp -2.518541416899717E-13 5.846337937598534E-13 1.088616337121638E-9 -4.167107735039801E-13 3.360928914270653E-10 -1.924043565847317E-12
node 2.911399084733165E-15 -6.227397226989356E-15 -4.167107735039801E-13 6.042719739560271E-10 -5.98985652244063E-10 -2.107950826114039E-11
peri -1.084566594962699E-13 2.493221394843529E-13 3.360928914270653E-10 -5.98985652244063E-10 7.0443719939725E-10 2.03684932401721E-11
i -3.932645428788696E-16 7.986321362582471E-16 -1.924043565847317E-12 -2.107950826114039E-11 2.03684932401721E-11 1.495955107931707E-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 12.5   n/a MPO502167  
diameter diameter 8.095 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.82750 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.161   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.920   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.73 deg.
U-B UB 0.520   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.73 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1500 Jyvaskyla (1938 UH)          Discovered 1938-Oct-16 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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