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305214 (2007 WR48)
Classification: Main-belt Asteroid          SPK-ID: 2305214
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05661786140153258 5.1269e-08  
a 2.616011367280402 2.1228e-08 au
q 2.467898398262887 1.3201e-07 au
i 8.026588893754152 6.1263e-06 deg
node 219.8497646504532 3.2207e-05 deg
peri 56.72382509650938 7.4597e-05 deg
M 127.3231102332059 6.2892e-05 deg
tp 2458453.908837904230
(2018-Dec-01.40883790)
0.00027068 TDB
period 1545.460348824866
4.23
1.8812e-05
5.15e-08
d
yr
n .2329403017513429 2.8354e-09 deg/d
Q 2.764124336297917 2.243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      6281 days (17.20 yr)  
   first obs. used      2002-09-04  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5646  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:48:32  

Additional Information
 Earth MOID = 1.46255 au 
 Jupiter MOID = 2.28629 au 
 T_jup = 3.391 
[ 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 16.3   n/a MPO440438  

305214 (2007 WR48)          Discovered 2007-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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