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2559 Svoboda (1981 UH)
Classification: Main-belt Asteroid          SPK-ID: 2002559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546901429686972 2.9306e-08  
a 2.787155619684154 1.0928e-08 au
q 2.356010118399205 8.1525e-08 au
i 8.8874187256122 5.2555e-06 deg
node 350.2140587755974 2.2176e-05 deg
peri 87.81646168492189 2.9301e-05 deg
M 68.99307334470376 1.7567e-05 deg
tp 2458674.780886214447
(2019-Jul-10.28088621)
8.2833e-05 TDB
period 1699.57468595361
4.65
9.9956e-06
2.737e-08
d
yr
n .2118176994369674 1.2457e-09 deg/d
Q 3.218301120969104 1.2618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2086  
   data-arc span      32561 days (89.15 yr)  
   first obs. used      1930-12-13  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:25:14  

Additional Information
 Earth MOID = 1.39157 au 
 Jupiter MOID = 2.08978 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456849.5 (2014-Jul-11.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529080971598823 2.9345e-08  
q 2.361194774331785 8.1492e-08 au
tp 2456977.424096567873
(2014-Nov-15.92409657)
8.4182e-05 TDB
node 350.2533861228018 2.2176e-05 deg
peri 88.38946787272047 2.9416e-05 deg
i 8.887144904148283 5.2538e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2086  
   data-arc span      32561 days (89.15 yr)  
   first obs. used      1930-12-13  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:25:14  

Additional Information
 Jupiter MOID = 2.08978 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.611412335610688E-16 -2.375966133997163E-15 -7.569070577971097E-14 -3.723887110378801E-15 -2.724024488848412E-14 -1.059848175315642E-15
q -2.375966133997163E-15 6.64099801171924E-15 1.189387640590214E-13 1.091419017152405E-14 5.231557870456201E-14 3.340293904546335E-15
tp -7.569070577971097E-14 1.189387640590214E-13 7.086678139839052E-9 -2.945626656828804E-11 1.636183616764199E-9 -1.139627883733829E-11
node -3.723887110378801E-15 1.091419017152405E-14 -2.945626656828804E-11 4.917664672990442E-10 -4.919610071764994E-10 3.57561390720135E-12
peri -2.724024488848412E-14 5.231557870456201E-14 1.636183616764199E-9 -4.919610071764994E-10 8.653012382969945E-10 -6.00581505317998E-12
i -1.059848175315642E-15 3.340293904546335E-15 -1.139627883733829E-11 3.57561390720135E-12 -6.00581505317998E-12 2.760214868484509E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4   n/a MPO384773  
diameter diameter 20.884 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.034   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Xk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2559 Svoboda (1981 UH)          Discovered 1981-Oct-23 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 UH = 1930 XJ = 1948 RF = 1976 SC7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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