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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07607128985795708 1.3379e-08  
a 2.710221020096423 1.0113e-08 au
q 2.50405101129754 3.5076e-08 au
i 14.88989885826634 7.7243e-07 deg
node 62.99229447397085 1.9672e-06 deg
peri 289.755108085924 1.3521e-05 deg
M 122.3603022313279 1.211e-05 deg
tp 2458646.584483357493
(2019-Jun-12.08448336)
5.4016e-05 TDB
period 1629.691839223387
4.46
9.1218e-06
2.497e-08
d
yr
n .2209006582321442 1.2364e-09 deg/d
Q 2.916391028895306 1.0883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2660  
   data-arc span      21706 days (59.43 yr)  
   first obs. used      1961-10-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41917  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:08:06  

Additional Information
 Earth MOID = 1.54489 au 
 Jupiter MOID = 2.40855 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457425.5 (2016-Feb-07.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07731249246718774 1.3815e-08  
q 2.499416747877595 3.6386e-08 au
tp 2457010.496270552222
(2014-Dec-18.99627055)
5.0246e-05 TDB
node 63.05568936115414 1.9714e-06 deg
peri 288.2349193059453 1.3015e-05 deg
i 14.88076715555073 7.7182e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2660  
   data-arc span      21706 days (59.43 yr)  
   first obs. used      1961-10-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41917  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:08:06  

Additional Information
 Jupiter MOID = 2.40855 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.90866486787005E-16 -4.869102283837824E-16 -5.035738876952684E-13 1.362854466548871E-14 -1.414058684470292E-13 6.376886560246948E-15
q -4.869102283837824E-16 1.32392880688269E-15 1.405147599151238E-12 -3.64214691453402E-14 3.928480229691651E-13 -1.698663267280069E-14
tp -5.035738876952684E-13 1.405147599151238E-12 2.524615972839318E-9 -2.036685187338324E-11 6.461398496981685E-10 -1.248902883228312E-11
node 1.362854466548871E-14 -3.64214691453402E-14 -2.036685187338324E-11 3.88651136933304E-12 -8.839445518847532E-12 7.547568817081429E-13
peri -1.414058684470292E-13 3.928480229691651E-13 6.461398496981685E-10 -8.839445518847532E-12 1.693808312323832E-10 -4.061177422705293E-12
i 6.376886560246948E-15 -1.698663267280069E-14 -1.248902883228312E-11 7.547568817081429E-13 -4.061177422705293E-12 5.957122847881E-13

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 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

[ show close-approach data ]
Alternate Designations
 1979 UE = 1961 TG1 = 1961 TY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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