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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036880376992369 4.0805e-08  
a 3.129264408457612 1.8708e-08 au
q 2.491870681656817 1.3077e-07 au
i 1.879456431383008 4.2342e-06 deg
node 107.4654202181327 0.00016492 deg
peri 305.1630608713442 0.00016532 deg
M 48.71606366095479 1.2545e-05 deg
tp 2458726.890289672609
(2019-Aug-31.39028967)
6.9395e-05 TDB
period 2021.909988528216
5.54
1.8132e-05
4.964e-08
d
yr
n .1780494690874199 1.5967e-09 deg/d
Q 3.766658135258406 2.2518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      8548 days (23.40 yr)  
   first obs. used      1996-09-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:14:39  

Additional Information
 Earth MOID = 1.5036 au 
 Jupiter MOID = 1.61082 au 
 T_jup = 3.180 
[ 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 14.1   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

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