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123663 (2000 YQ78)
Classification: Main-belt Asteroid          SPK-ID: 2123663
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2417889507217671 5.0188e-08  
a 2.592939555449622 1.7763e-08 au
q 1.965995421052492 1.3833e-07 au
i 2.888397873085101 5.3234e-06 deg
node 304.2022341503363 8.4289e-05 deg
peri 66.9669993902354 8.524e-05 deg
M 288.7978613917906 1.572e-05 deg
tp 2459302.132097222114
(2021-Mar-28.63209722)
6.9166e-05 TDB
period 1525.060301874713
4.18
1.5671e-05
4.29e-08
d
yr
n .2360562395844035 2.4257e-09 deg/d
Q 3.219883689846751 2.2058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      6806 days (18.63 yr)  
   first obs. used      2000-09-05  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55351  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:52:39  

Additional Information
 Earth MOID = .968062 au 
 Jupiter MOID = 2.26144 au 
 T_jup = 3.375 
[ 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 15.2   n/a MPO436599  

123663 (2000 YQ78)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2000 YQ78 = 2002 EK71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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