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2695 Christabel (1979 UE)
Classification: Main-belt Asteroid          SPK-ID: 2002695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07607128990707797 1.3294e-08  
a 2.71022102013962 1.0027e-08 au
q 2.504051011204323 3.4958e-08 au
i 14.88989886722365 7.7104e-07 deg
node 62.9922944819493 1.9669e-06 deg
peri 289.75510808 1.3442e-05 deg
M 122.3603022267544 1.2075e-05 deg
tp 2458646.584483364955
(2019-Jun-12.08448337)
5.3822e-05 TDB
period 1629.69183926235
4.46
9.0439e-06
2.476e-08
d
yr
n .2209006582268629 1.2259e-09 deg/d
Q 2.916391029074918 1.079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2680  
   data-arc span      21714 days (59.45 yr)  
   first obs. used      1961-10-10  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41774  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:26:26  

Additional Information
 Earth MOID = 1.54489 au 
 Jupiter MOID = 2.40855 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457476.5 (2016-Mar-29.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07729306943969842 1.3726e-08  
q 2.499468059993824 3.6259e-08 au
tp 2457010.476098845669
(2014-Dec-18.97609885)
4.9963e-05 TDB
node 63.05551848777895 1.9711e-06 deg
peri 288.23281765722 1.2944e-05 deg
i 14.88070913915007 7.7042e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2680  
   data-arc span      21714 days (59.45 yr)  
   first obs. used      1961-10-10  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41774  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:26:26  

Additional Information
 Jupiter MOID = 2.40855 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.884153263978982E-16 -4.821582414390323E-16 -4.952132300630975E-13 1.359459689600534E-14 -1.392704504409901E-13 6.318314123901669E-15
q -4.821582414390323E-16 1.314737116603644E-15 1.389299241006963E-12 -3.634697903401704E-14 3.887854168052803E-13 -1.686755630406248E-14
tp -4.952132300630975E-13 1.389299241006963E-12 2.49634639505792E-9 -2.026630594694098E-11 6.389355402244143E-10 -1.23036294738937E-11
node 1.359459689600534E-14 -3.634697903401704E-14 -2.026630594694098E-11 3.885348858294183E-12 -8.81248853845537E-12 7.532264749845295E-13
peri -1.392704504409901E-13 3.887854168052803E-13 6.389355402244143E-10 -8.81248853845537E-12 1.67543034054631E-10 -4.012716117549051E-12
i 6.318314123901669E-15 -1.686755630406248E-14 -1.23036294738937E-11 7.532264749845295E-13 -4.012716117549051E-12 5.935538836994086E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.02   n/a E2021B10  
diameter diameter 14.959 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.009 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.095   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2695 Christabel (1979 UE)          Discovered 1979-Oct-17 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 UE = 1961 TG1 = 1961 TY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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