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452693 (2005 YB21)
Classification: Main-belt Asteroid          SPK-ID: 2452693
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1499284739659372 5.3697e-08  
a 2.262946837677005 1.8921e-08 au
q 1.923666671638048 1.1553e-07 au
i 4.599029226969339 5.4953e-06 deg
node 287.723572703141 9.0335e-05 deg
peri 184.3423699965426 0.00010832 deg
M 79.05033211825123 5.782e-05 deg
tp 2458727.469507737187
(2019-Aug-31.96950774)
0.00019697 TDB
period 1243.397397338944
3.40
1.5595e-05
4.27e-08
d
yr
n .2895293176344536 3.6313e-09 deg/d
Q 2.602227003715961 2.1758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      5283 days (14.46 yr)  
   first obs. used      2005-11-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:00:15  

Additional Information
 Earth MOID = .940304 au 
 Jupiter MOID = 2.50126 au 
 T_jup = 3.599 
[ 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 18.2   n/a MPO456156  

452693 (2005 YB21)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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