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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08168535797725043 8.5636e-08  
a 2.656188934111666 5.8702e-08 au
q 2.439217190173543 2.5856e-07 au
i 1.382151370179099 9.6395e-06 deg
node 189.1244823706257 0.0005185 deg
peri 214.1570193556076 0.00052758 deg
M 318.4576585299063 0.00010931 deg
tp 2459182.963223009666
(2020-Nov-29.46322301)
0.00048377 TDB
period 1581.200239537957
4.33
5.2417e-05
1.435e-07
d
yr
n .2276751489142171 7.5474e-09 deg/d
Q 2.873160678049789 6.3497e-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 = 1.44792 au 
 Jupiter MOID = 2.43083 au 
 T_jup = 3.383 
[ 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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