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49285 (1998 UT29)
Classification: Main-belt Asteroid          SPK-ID: 2049285
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421591663788166 5.3581e-08  
a 2.56496958498433 1.237e-08 au
q 2.200335646995939 1.4287e-07 au
i 7.941813245893972 5.0164e-06 deg
node 152.5386175653401 2.4114e-05 deg
peri 189.900809962874 2.7094e-05 deg
M 43.79420920037259 1.1318e-05 deg
tp 2458417.969289520620
(2018-Oct-26.46928952)
4.7083e-05 TDB
period 1500.450789553654
4.11
1.0854e-05
2.972e-08
d
yr
n .2399278953407668 1.7356e-09 deg/d
Q 2.929603522972722 1.4128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      8664 days (23.72 yr)  
   first obs. used      1996-03-18  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56726  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:18:33  

Additional Information
 Earth MOID = 1.19152 au 
 Jupiter MOID = 2.46063 au 
 T_jup = 3.405 
[ 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 14.9   n/a MPO309531  
diameter diameter 3.368 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.205   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49285 (1998 UT29)          Discovered 1998-Oct-18 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UT29 = 2000 CT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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