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37559 (1985 UR)
Classification: Main-belt Asteroid          SPK-ID: 2037559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995063212234737 3.3683e-08  
a 2.442284471920756 8.5146e-09 au
q 1.955033281546632 8.492e-08 au
i 12.80877668778092 4.2179e-06 deg
node 192.6992430748161 1.7328e-05 deg
peri 210.9769035157251 2.0772e-05 deg
M 270.1319845608689 1.256e-05 deg
tp 2458948.512985889088
(2020-Apr-09.01298589)
4.936e-05 TDB
period 1394.096379094171
3.82
7.2904e-06
1.996e-08
d
yr
n .2582317875568357 1.3504e-09 deg/d
Q 2.929535662294881 1.0213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1283  
   data-arc span      12487 days (34.19 yr)  
   first obs. used      1985-09-21  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:00:51  

Additional Information
 Earth MOID = .972182 au 
 Jupiter MOID = 2.52052 au 
 T_jup = 3.440 
[ 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 14.4   n/a MPO449230  
diameter diameter 6.195 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37559 (1985 UR)          Discovered 1985-Oct-20 by Mrkos, A. at Klet
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1985 UR = 1999 JC91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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