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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06175247018979978 4.5486e-08  
a 2.740742250339465 1.4525e-08 au
q 2.571494646227452 1.2949e-07 au
i 6.3875224277378 4.0485e-06 deg
node 310.2749159752843 4.4622e-05 deg
peri 103.5867716635078 6.3198e-05 deg
M 39.7784229938669 4.1431e-05 deg
tp 2459213.375783358160
(2020-Dec-29.87578336)
0.00019105 TDB
period 1657.298430388427
4.54
1.3174e-05
3.607e-08
d
yr
n .2172209865157632 1.7267e-09 deg/d
Q 2.909989854451478 1.5421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      8139 days (22.28 yr)  
   first obs. used      1998-12-25  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53115  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:09:47  

Additional Information
 Earth MOID = 1.59178 au 
 Jupiter MOID = 2.30576 au 
 T_jup = 3.338 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.35   n/a E2021B10  

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

Alternate Designations
 1998 YU20 = 2002 VJ120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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