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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903215473796311 1.32e-08  
a 2.241833661527408 4.854e-09 au
q 1.815164410097768 3.005e-08 au
i 7.433575621171777 3.9752e-07 deg
node 19.89185420981054 5.335e-06 deg
peri 17.23461007729904 5.8355e-06 deg
M 222.5818018232653 3.355e-06 deg
tp 2459864.499355205286
(2022-Oct-11.99935521)
1.2282e-05 TDB
period 1226.03679941444
3.36
3.9819e-06
1.09e-08
d
yr
n .2936290331350065 9.5365e-10 deg/d
Q 2.668502912957048 5.7778e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2742  
   data-arc span      26611 days (72.86 yr)  
   first obs. used      1948-09-30  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40656  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:45:55  

Additional Information
 Earth MOID = .822695 au 
 Jupiter MOID = 2.77123 au 
 T_jup = 3.599 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456951.5 (2014-Oct-21.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898370870641595 1.3137e-08  
q 1.816688694833205 2.9884e-08 au
tp 2457410.180378020490
(2016-Jan-22.68037802)
9.8566e-06 TDB
node 19.93263006590172 5.3308e-06 deg
peri 16.89885844832507 5.8407e-06 deg
i 7.437362130296849 3.9737e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2742  
   data-arc span      26611 days (72.86 yr)  
   first obs. used      1948-09-30  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40656  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:45:55  

Additional Information
 Jupiter MOID = 2.77123 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.725839054134436E-16 -3.891754207970188E-16 4.401794543817059E-15 1.802436875132869E-14 -2.465395163125298E-15 -3.227540292277587E-16
q -3.891754207970188E-16 8.930580131236118E-16 -1.186614161141751E-14 -4.066390619724726E-14 4.007111794389944E-15 7.240652364514988E-16
tp 4.401794543817059E-15 -1.186614161141751E-14 9.715302158794933E-11 8.092925406447182E-12 2.676395081997599E-11 4.873898306338653E-13
node 1.802436875132869E-14 -4.066390619724726E-14 8.092925406447182E-12 2.841756840370441E-11 -2.419996585723335E-11 3.72637316976529E-13
peri -2.465395163125298E-15 4.007111794389944E-15 2.676395081997599E-11 -2.419996585723335E-11 3.411329714890125E-11 -2.122996696308879E-13
i -3.227540292277587E-16 7.240652364514988E-16 4.873898306338653E-13 3.72637316976529E-13 -2.122996696308879E-13 1.579016467819738E-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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