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1219 Britta (1932 CJ)
Classification: Main-belt Asteroid          SPK-ID: 2001219
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1246559000650227 3.4291e-08  
a 2.212998409896108 5.2099e-09 au
q 1.937135101268044 7.7141e-08 au
i 4.410873810788221 4.0537e-06 deg
node 42.52239261155115 4.4055e-05 deg
peri 24.08483312764086 4.6671e-05 deg
M 10.19769540682705 1.5468e-05 deg
tp 2458966.438041547490
(2020-Apr-26.93804155)
5.1636e-05 TDB
period 1202.458452984798
3.29
4.2463e-06
1.163e-08
d
yr
n .2993866433442181 1.0572e-09 deg/d
Q 2.488861718524171 5.8593e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2817  
   data-arc span      42409 days (116.11 yr)  
   first obs. used      1904-09-20  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:21:16  

Additional Information
 Earth MOID = .951632 au 
 Jupiter MOID = 2.77158 au 
 T_jup = 3.642 
[ 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 11.7   n/a MPO435707  
magnitude slope G 0.24   n/a PDS3 (MPC 17261) Fit
diameter diameter 9.860 km 0.337 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.575 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Binzel, R.P.; Tholen, D.J. (1985) Minor Planet Bull. 12, 10.]
[Binzel, R.P.; Cochran, A.L.; Barker, E.S.; Tholen, D.J.; et al. (1987) Icarus 71, 148-158.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Klinglesmith III, D.A.; Hanowell, J.; Risley, E.; Turk, J.; et al. (2014) Minor Planet Bull. 41, 139-143.]
[Stephens, R.D. (2014) Minor Planet Bull. 41, 171-175.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Durech, J.; Hanus, J.; Broz, M.; Lehky, M.; et al. (2017) Icarus 304, 101-109.]
geometric albedo albedo 0.346   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.913   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=13.07, mean=17.75, max.=26.33) deg.
U-B UB 0.514   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=13.07, mean=17.75, max.=26.33) deg.

1219 Britta (1932 CJ)          Discovered 1932-Feb-06 by Wolf, M. at Heidelberg
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
2054-Dec-18 10:53 < 00:01 Thisb 0.0119697371458406 0.0119676550211922 0.0119718193268684 4.09287533964318 4.09287520046805 2471619.953467463 0.767341176459044 111.997031607312 24.4627131720051 -22.6711914848453 31817.4034270071 T 37 CATAB v2.0f-lin.ifort 2020-Nov-13 04:21:24 2020-Nov-13 04:21
2077-Dec-24 11:26 < 00:01 Thisb 0.0367402471632733 0.0367372739703378 0.0367432203925142 4.29205666954555 4.29205662630738 2480026.976152067 0.794274133088897 159.333305749401 26.4193022990639 21.865154882459 83788.2815983292 T 37 CATAB v2.0f-lin.ifort 2020-Nov-13 04:21:24 2020-Nov-13 04:21

Alternate Designations
 1932 CJ = 1947 XG = 1975 FE = A904 SB = A915 BD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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