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JPL Small-Body Database Browser
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1969 Alain (1935 CG)
Classification: Main-belt Asteroid          SPK-ID: 2001969
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582078890441461 4.1085e-08  
a 3.087163853760873 1.3472e-08 au
q 2.598750177323975 1.2654e-07 au
i 3.339211673754873 4.6076e-06 deg
node 209.1858966263217 5.9488e-05 deg
peri 346.935439934375 6.0367e-05 deg
M 130.7741391770373 1.1044e-05 deg
tp 2457880.790364617088
(2017-May-07.29036462)
5.9179e-05 TDB
period 1981.243924588899
5.42
1.2969e-05
3.551e-08
d
yr
n .1817040272185056 1.1894e-09 deg/d
Q 3.575577530197772 1.5603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2463  
   data-arc span      32749 days (89.66 yr)  
   first obs. used      1930-03-30  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47335  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:29:06  

Additional Information
 Earth MOID = 1.59783 au 
 Jupiter MOID = 1.38875 au 
 T_jup = 3.204 
[ 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 11.8   n/a MPO416728  
diameter diameter 22.895 km 0.406 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 32.4 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hayes-Gehrke, M.N.; Leffler, T.; Hampton, K.; Chavis, J.; et al. (2018) Minor Planet Bull. 45, 1.]
geometric albedo albedo 0.071   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1969 Alain (1935 CG)          Discovered 1935-Feb-03 by Arend, S. at Uccle
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
1916-Dec-03 07:44 00:02 Jupiter 1.4676430287117 1.46764195866329 1.46764409877279 1.4751664771403 1.01086785779905 2421200.822046463 2.28966253224128 412.002837076345 128.123615805953 -46.6036773972754 2118432.4770905 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
1926-Sep-05 01:11 00:02 Jupiter 1.72144642350501 1.72144503025677 1.72144781675226 1.92684268704885 1.65185967823318 2424763.549339206 2.10815152428624 99.1699814852593 27.5644481776633 73.6538352494296 1596984.65221733 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
1977-Jun-25 23:40 < 00:01 Jupiter 1.85304481331993 1.85304404227474 1.85304558436492 2.67951851542092 2.50312286581062 2443320.485811322 0.853297597882884 48.3139707896694 21.0049379517289 77.06539486435 2043401.83434645 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
1987-Apr-08 03:07 < 00:01 Jupiter 1.41456736613544 1.41456695876682 1.41456777350655 1.18201487841576 0.446752781862902 2446893.629531476 0.622811938843304 2579.64783856487 339.914110374122 0.242821673090579 1221710.45063245 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
2047-Oct-13 13:40 < 00:01 Jupiter 1.5263292832706 1.52632881297689 1.52632975356493 1.64550907445776 1.26404839855342 2468997.069711444 0.81847164471496 115.914343221364 59.4638094606018 -44.6285867804851 2542627.96341582 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
2057-Jul-21 17:38 00:01 Jupiter 1.63031528337474 1.63031447580287 1.63031609094568 1.63916051871447 1.2836497817314 2472566.235003600 1.08975666486531 103.39197925183 57.6885592860114 40.2232519711619 1570560.72709515 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
2108-Apr-27 00:16 00:02 Jupiter 1.94126927426745 1.94126779506212 1.94127075347212 2.94623168819074 2.79421420353744 2491107.511423871 2.03650783243354 55.3622917208876 40.9302078113256 30.7383982118702 1139026.21402254 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
2118-Feb-10 04:20 00:02 Jupiter 1.39760126118766 1.39760082637981 1.39760169599749 1.26412459490211 0.621210122922854 2494683.680471124 2.31772041178706 1021.53975784169 216.253936159073 -10.6104562724797 1671182.59676542 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
2127-Nov-13 12:16 00:03 Jupiter 1.95745880740362 1.95745697453339 1.95746064027308 2.9699230935668 2.82046316017728 2498247.011138886 2.51494090646474 75.562979444173 26.3662577468039 -40.5698160015339 1115402.44119046 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
2178-Aug-19 17:18 00:04 Jupiter 1.60191914451333 1.60191679627198 1.60192149275904 1.81547054310494 1.49613622184954 2516789.220650869 3.95303637607953 240.005007514745 39.3371474585171 -78.5714960335736 2426144.84218834 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29
2188-May-31 23:14 00:04 Jupiter 1.54530016170969 1.54529776247257 1.54530256093424 1.46004193690994 1.01757857753045 2520362.468091780 4.28120387955313 423.423026261974 94.4564103506713 16.0041410020715 746459.375478747 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:29:20 2019-Dec-03 20:29

Alternate Designations
 1935 CG = 1930 FZ = 1952 HW3 = 1952 KH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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