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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902241618159886 1.3235e-08  
a 2.241973729914458 4.9496e-09 au
q 1.815496156328015 3.0196e-08 au
i 7.433293887645829 3.9765e-07 deg
node 19.89112399039419 5.3441e-06 deg
peri 17.25878913129373 5.8651e-06 deg
M 164.9972631006055 3.2681e-06 deg
tp 2458638.523124036913
(2019-Jun-04.02312404)
1.0416e-05 TDB
period 1226.151704245868
3.36
4.0605e-06
1.112e-08
d
yr
n .2936015166421957 9.7228e-10 deg/d
Q 2.668451303500902 5.8911e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2579  
   data-arc span      26471 days (72.47 yr)  
   first obs. used      1948-09-30  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41119  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:31:54  

Additional Information
 Earth MOID = .822591 au 
 Jupiter MOID = 2.77015 au 
 T_jup = 3.599 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456811.5 (2014-Jun-03.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899359700858598 1.3168e-08  
q 1.816306123163274 2.9998e-08 au
tp 2457410.143573161613
(2016-Jan-22.64357316)
9.9692e-06 TDB
node 19.93529460985133 5.3393e-06 deg
peri 16.90642488649205 5.8679e-06 deg
i 7.437862178234028 3.9754e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2579  
   data-arc span      26471 days (72.47 yr)  
   first obs. used      1948-09-30  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41119  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:31:54  

Additional Information
 Jupiter MOID = 2.77015 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.733965002995264E-16 -3.915155333471461E-16 5.686599726678708E-15 1.823269639637033E-14 -2.078689793593963E-15 -3.182356372472402E-16
q -3.915155333471461E-16 8.999012676198574E-16 -1.577518671183346E-14 -4.123665478458198E-14 2.784008435382596E-15 7.091078311539166E-16
tp 5.686599726678708E-15 -1.577518671183346E-14 9.938417984996855E-11 8.354327732460176E-12 2.753478824710262E-11 4.97911392958146E-13
node 1.823269639637033E-14 -4.123665478458198E-14 8.354327732460176E-12 2.850859944793964E-11 -2.416696287690974E-11 3.72138882435445E-13
peri -2.078689793593963E-15 2.784008435382596E-15 2.753478824710262E-11 -2.416696287690974E-11 3.443215967926563E-11 -2.070533960318986E-13
i -3.182356372472402E-16 7.091078311539166E-16 4.97911392958146E-13 3.72138882435445E-13 -2.070533960318986E-13 1.580360391470581E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.64   n/a E2021B10  
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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