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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1958360372161752 3.3546e-08  
a 2.386239780319597 8.4894e-09 au
q 1.91892803789421 7.9455e-08 au
i 4.538074456947938 4.305e-06 deg
node 242.4143502507955 4.5002e-05 deg
peri 203.675788230065 4.66e-05 deg
M 160.1762986035083 1.0704e-05 deg
tp 2458797.446924847293
(2019-Nov-09.94692485)
3.9389e-05 TDB
period 1346.385881901324
3.69
7.185e-06
1.967e-08
d
yr
n .2673824828671103 1.4269e-09 deg/d
Q 2.853551522744983 1.0152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      922  
   data-arc span      15570 days (42.63 yr)  
   first obs. used      1978-10-27  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:55:41  

Additional Information
 Earth MOID = .936096 au 
 Jupiter MOID = 2.37581 au 
 T_jup = 3.505 
[ 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 15.99   n/a E2021B10  
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

Alternate Designations
 1978 UD5 = 2000 SB321 = 2000 SY286 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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