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JPL Small-Body Database Browser
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48806 (1997 UB21)
Classification: Main-belt Asteroid          SPK-ID: 2048806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538815682205886 3.6271e-08  
a 3.128694320799634 2.4269e-08 au
q 2.647245932232137 1.2284e-07 au
i 14.23554373627282 4.3512e-06 deg
node 155.6294457245897 1.7092e-05 deg
peri 293.6474347259492 2.3201e-05 deg
M 279.0675283779776 1.538e-05 deg
tp 2459054.926270938689
(2020-Jul-24.42627094)
8.8226e-05 TDB
period 2021.35748802972
5.53
2.3519e-05
6.439e-08
d
yr
n .1780981356003995 2.0722e-09 deg/d
Q 3.610142709367131 2.8004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1997-10-30  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5351  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:38:39  

Additional Information
 Earth MOID = 1.70179 au 
 Jupiter MOID = 1.69196 au 
 T_jup = 3.148 
[ 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 14.4   n/a MPO417154  

48806 (1997 UB21)          Discovered 1997-Oct-30 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 UB21 = 1999 CA79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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