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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902241618138034 1.3236e-08  
a 2.241973729923191 4.9508e-09 au
q 1.815496156339986 3.0198e-08 au
i 7.43329388737357 3.9765e-07 deg
node 19.89112400835341 5.3443e-06 deg
peri 17.25878910396785 5.8656e-06 deg
M 164.9972631033628 3.2681e-06 deg
tp 2458638.523124024238
(2019-Jun-04.02312402)
1.0416e-05 TDB
period 1226.151704253032
3.36
4.0614e-06
1.112e-08
d
yr
n .2936015166404803 9.725e-10 deg/d
Q 2.668451303506397 5.8925e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2573  
   data-arc span      26455 days (72.43 yr)  
   first obs. used      1948-09-30  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4114  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:32:33  

Additional Information
 Earth MOID = .822591 au 
 Jupiter MOID = 2.77015 au 
 T_jup = 3.599 
[ show covariance matrix ]

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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