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48828 (1997 YU)
Classification: Main-belt Asteroid          SPK-ID: 2048828
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036880371060335 4.1182e-08  
a 3.129264408979232 1.9133e-08 au
q 2.491870683928481 1.3239e-07 au
i 1.879456478040713 4.2425e-06 deg
node 107.4654247958174 0.00016764 deg
peri 305.16305653 0.00016804 deg
M 48.71606330163875 1.293e-05 deg
tp 2458726.890291622265
(2019-Aug-31.39029162)
7.1464e-05 TDB
period 2021.909989033767
5.54
1.8544e-05
5.077e-08
d
yr
n .1780494690429009 1.633e-09 deg/d
Q 3.766658134029984 2.3031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      947  
   data-arc span      8520 days (23.33 yr)  
   first obs. used      1996-09-07  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:35:19  

Additional Information
 Earth MOID = 1.5036 au 
 Jupiter MOID = 1.61082 au 
 T_jup = 3.180 
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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 14.1   n/a MPO412507  
diameter diameter 8.141 km 0.341 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48828 (1997 YU)          Discovered 1997-Dec-20 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 YU = 1996 RV21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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