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JPL Small-Body Database Browser
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47218 (1999 UN37)
Classification: Main-belt Asteroid          SPK-ID: 2047218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04411552811342315 4.1259e-08  
a 2.262091324364156 9.3762e-09 au
q 2.162297970949038 9.1143e-08 au
i 4.387674926455522 4.3725e-06 deg
node 29.99039973375896 5.105e-05 deg
peri 132.6016693271865 6.9621e-05 deg
M 122.6361094178795 4.8676e-05 deg
tp 2458177.169566274424
(2018-Feb-27.66956627)
0.00016727 TDB
period 1242.69235924561
3.40
7.7263e-06
2.115e-08
d
yr
n .2896935812967756 1.8011e-09 deg/d
Q 2.361884677779273 9.7898e-09 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      9826 days (26.90 yr)  
   first obs. used      1992-09-28  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5518  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:13:04  

Additional Information
 Earth MOID = 1.17176 au 
 Jupiter MOID = 2.6045 au 
 T_jup = 3.614 
[ 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 16.0   n/a MPO324732  

47218 (1999 UN37)          Discovered 1999-Oct-16 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 UN37 = 2001 DU33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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