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90674 (1978 UD5)
Classification: Main-belt Asteroid          SPK-ID: 2090674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1958685984481595 3.3632e-08  
a 2.386771514777269 8.8791e-09 au
q 1.919277923361854 7.9863e-08 au
i 4.537761081350843 4.3145e-06 deg
node 242.4193909415323 4.7812e-05 deg
peri 203.7544911147093 4.9929e-05 deg
M 54.20637079555529 1.1753e-05 deg
tp 2458797.702532766957
(2019-Nov-10.20253277)
4.3942e-05 TDB
period 1346.835937038638
3.69
7.5156e-06
2.058e-08
d
yr
n .2672931350432716 1.4915e-09 deg/d
Q 2.854265106192683 1.0618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      15153 days (41.49 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:33:57  

Additional Information
 Earth MOID = .936477 au 
 Jupiter MOID = 2.37416 au 
 T_jup = 3.504 
[ show covariance matrix ]

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 16.0   n/a MPO453345  
diameter diameter 3.747 km 1.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.054   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

90674 (1978 UD5)          Discovered 1978-Oct-27 by Olmstead, C. M. at Palomar
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1978 UD5 = 2000 SB321 = 2000 SY286 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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