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136402 (2004 YD20)
Classification: Main-belt Asteroid          SPK-ID: 2136402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434630225257164 6.2344e-08  
a 2.323835105652182 1.3266e-08 au
q 1.990450697543952 1.4149e-07 au
i 3.016436755128992 4.7865e-06 deg
node 115.7922704311875 0.00012873 deg
peri 58.5856094549169 0.00013013 deg
M 79.27155192758998 1.8643e-05 deg
tp 2458715.581106524023
(2019-Aug-20.08110652)
6.6424e-05 TDB
period 1293.916911643716
3.54
1.108e-05
3.034e-08
d
yr
n .2782249746953822 2.3825e-09 deg/d
Q 2.657219513760412 1.517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      9156 days (25.07 yr)  
   first obs. used      1993-12-14  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:31:33  

Additional Information
 Earth MOID = .997391 au 
 Jupiter MOID = 2.30695 au 
 T_jup = 3.560 
[ 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 17.0   n/a MPO417720  

136402 (2004 YD20)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2004 YD20 = 1998 BT46 = 2000 UW5 = 2002 JW30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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