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JPL Small-Body Database Browser
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441195 (2007 UL21)
Classification: Main-belt Asteroid          SPK-ID: 2441195
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08171881774445547 8.5808e-08  
a 2.658911380669284 5.9586e-08 au
q 2.441628286153712 2.5988e-07 au
i 1.381840743513282 9.6318e-06 deg
node 189.172619423404 0.00051839 deg
peri 213.3385007375063 0.0005274 deg
M 228.2449983137899 0.00010696 deg
tp 2459180.087260975354
(2020-Nov-26.58726098)
0.00048211 TDB
period 1583.631826350358
4.34
5.3234e-05
1.457e-07
d
yr
n .2273255652039129 7.6415e-09 deg/d
Q 2.876194475184855 6.4455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      4724 days (12.93 yr)  
   first obs. used      2003-12-29  
   last obs. used      2016-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68721  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:40:46  

Additional Information
 Earth MOID = 1.44955 au 
 Jupiter MOID = 2.43223 au 
 T_jup = 3.381 
[ 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 17.8   n/a MPO397570  

441195 (2007 UL21)          Discovered 2007-Oct-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2007 UL21 = 2013 BJ35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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