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79880 (1998 YU20)
Classification: Main-belt Asteroid          SPK-ID: 2079880
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06140659300815884 4.7112e-08  
a 2.739801570830203 2.2421e-08 au
q 2.571559690847118 1.3849e-07 au
i 6.387605966565574 6.6249e-06 deg
node 310.2741255963357 4.5558e-05 deg
peri 103.5018811378616 7.7699e-05 deg
M 313.8098886352649 6.4877e-05 deg
tp 2459213.031643656469
(2020-Dec-29.53164366)
0.00029979 TDB
period 1656.445274880704
4.54
2.0333e-05
5.567e-08
d
yr
n .2173328666266545 2.6678e-09 deg/d
Q 2.908043450813287 2.3798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      7632 days (20.90 yr)  
   first obs. used      1998-12-25  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:45:03  

Additional Information
 Earth MOID = 1.59229 au 
 Jupiter MOID = 2.30748 au 
 T_jup = 3.339 
[ 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 15.3   n/a MPO348014  

79880 (1998 YU20)          Discovered 1998-Dec-25 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 YU20 = 2002 VJ120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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