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49286 (1998 UC30)
Classification: Main-belt Asteroid          SPK-ID: 2049286
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2327421470764917 3.6594e-08  
a 2.664627827806216 1.1134e-08 au
q 2.044456626002829 9.7297e-08 au
i 7.554671952064779 6.3271e-06 deg
node 158.3735314309284 2.9234e-05 deg
peri 317.9083928033675 3.2252e-05 deg
M 298.8212480499549 1.3012e-05 deg
tp 2459270.492299570183
(2021-Feb-24.99229957)
5.8008e-05 TDB
period 1588.741593235367
4.35
9.9576e-06
2.726e-08
d
yr
n .2265944326835957 1.4202e-09 deg/d
Q 3.284799029609603 1.3725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      10822 days (29.63 yr)  
   first obs. used      1991-03-15  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:25  

Additional Information
 Earth MOID = 1.06757 au 
 Jupiter MOID = 1.84697 au 
 T_jup = 3.333 
[ 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 14.8   n/a MPO351181  
diameter diameter 6.226 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49286 (1998 UC30)          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 UC30 = 1995 BY16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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