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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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902241659000155 3.2036e-08  
a 2.24197373213517 5.556e-09 au
q 1.815496148970012 7.1162e-08 au
i 7.43329503588887 3.8643e-06 deg
node 19.89113530321634 2.4553e-05 deg
peri 17.2587779364259 2.649e-05 deg
M 164.9972602756949 1.0575e-05 deg
tp 2458638.523132823522
(2019-Jun-04.02313282)
3.5198e-05 TDB
period 1226.151706067653
3.36
4.5579e-06
1.248e-08
d
yr
n .2936015162059702 1.0914e-09 deg/d
Q 2.668451315300327 6.6129e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2522  
   data-arc span      26407 days (72.30 yr)  
   first obs. used      1948-09-30  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:55:54  

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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