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102582 (1999 UD46)
Classification: Main-belt Asteroid          SPK-ID: 2102582
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219514612017198 3.237e-08  
a 2.343625955278203 9.2041e-09 au
q 1.82345474999393 7.5196e-08 au
i 10.08181191190997 3.3048e-06 deg
node 237.2149103084943 2.2595e-05 deg
peri 40.01972729004156 2.4893e-05 deg
M 55.33134580329495 8.465e-06 deg
tp 2458999.081383634180
(2020-May-29.58138363)
3.1161e-05 TDB
period 1310.481443004724
3.59
7.7199e-06
2.114e-08
d
yr
n .2747082012657711 1.6183e-09 deg/d
Q 2.863797160562477 1.1247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      8330 days (22.81 yr)  
   first obs. used      1998-03-31  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49092  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:50  

Additional Information
 Earth MOID = .818229 au 
 Jupiter MOID = 2.27614 au 
 T_jup = 3.509 
[ 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 15.48   n/a E2021B55  
diameter diameter 4.110 km 1.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.082   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

102582 (1999 UD46)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 UD46 = 1998 FU104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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