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181722 (1995 CU)
Classification: Main-belt Asteroid          SPK-ID: 2181722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181127626306585 4.6889e-08  
a 2.559962583759438 1.3242e-08 au
q 2.001602072384548 1.234e-07 au
i 5.869958816133282 8.5449e-06 deg
node 51.82783608555185 3.6204e-05 deg
peri 47.66137849216717 4.5467e-05 deg
M 137.1579788225478 2.61e-05 deg
tp 2458630.509746724982
(2019-May-27.00974673)
0.00010563 TDB
period 1496.059455968548
4.10
1.1608e-05
3.178e-08
d
yr
n .2406321477156375 1.8671e-09 deg/d
Q 3.118323095134327 1.6131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      14980 days (41.01 yr)  
   first obs. used      1979-05-19  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:45  

Additional Information
 Earth MOID = 1.02362 au 
 Jupiter MOID = 2.08088 au 
 T_jup = 3.394 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.37   n/a E2021B55  

181722 (1995 CU)          Discovered 1995-Feb-01 by Boattini, A., Tesi, L. at San Marcello
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1995 CU = 2002 XS76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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