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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 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2018-Jun-28 07:32 < 00:01 Amphi 0.0469002408303595 0.0468991164626396 0.0469013652717216 4.3568282408173 4.35682821268356 2458297.813973433 0.767671562629439 119.640295524575 26.9941626059049 65.0774208267282 236897.646420076 T 39 CATAB v2.0f-lin.ifort 2021-Apr-12 14:09:11 2021-Apr-12 14:09
2035-Apr-21 23:11 < 00:01 Hebe 0.0215992717836585 0.0215959430472538 0.0216026005846756 5.32226692556829 5.32226687149015 2464439.465648928 0.846436259417978 176.464291019873 32.3997680210357 -20.2524279575397 38543.8047315864 T 39 CATAB v2.0f-lin.ifort 2021-Apr-12 14:09:11 2021-Apr-12 14:09

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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