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JPL Small-Body Database Browser
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2629 Rudra (1980 RB1)
Classification: Mars-crossing Asteroid          SPK-ID: 2002629
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2292071090257321 4.51e-08  
a 1.740408224237715 4.2885e-09 au
q 1.34149428663558 7.6824e-08 au
i 23.44028444565942 6.9062e-06 deg
node 343.4537114588147 8.3889e-06 deg
peri 280.6737669237036 1.784e-05 deg
M 358.293190631096 1.6007e-05 deg
tp 2458604.476103076300
(2019-Apr-30.97610308)
3.7292e-05 TDB
period 838.6391201889104
2.30
3.0997e-06
8.487e-09
d
yr
n .4292668817058129 1.5866e-09 deg/d
Q 2.139322161839849 5.2714e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      24073 days (65.91 yr)  
   first obs. used      1954-01-05  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49026  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:17:55  

Additional Information
 Earth MOID = .48455 au 
 Jupiter MOID = 3.20292 au 
 T_jup = 4.023 
[ 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 15.1   n/a MPO502178  
diameter diameter 4.747 km 1.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 123.171 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.066   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2629 Rudra (1980 RB1)          Discovered 1980-Sep-13 by Kowal, C. at Palomar
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
1911-Aug-01 06:54 < 00:01 Earth 0.499512088795009 0.499510900447121 0.499513277220328 10.912109009655 10.9116201689231 2419249.787423203 0.503940269354905 327.214247771614 15.8026924127548 79.9351984694546 2937140.55971146 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
1934-Aug-12 09:42 < 00:01 Earth 0.491047243932469 0.491046729804924 0.491047758097026 11.4205018322483 11.4200267017316 2427661.904410852 0.309900425816933 265.131587634385 15.1807777809623 -85.5236425046049 3465499.61867294 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
1973-Aug-04 23:46 < 00:01 Earth 0.488594857666796 0.488594439951175 0.488595275389096 11.1328550540939 11.1323652003125 2441899.489998672 0.192107061591056 139.719261118626 15.8006166489006 84.3889464157984 3124793.22870952 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
1996-Aug-15 09:12 < 00:01 Earth 0.499883660507082 0.499883282408721 0.499884038606636 11.5620567541992 11.5615957371603 2450310.883557881 0.080564929667823 70.1455680153812 15.4958587620849 -80.9681156568437 3537613.88851369 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
2023-Jun-12 15:23 < 00:01 Mars 0.0882031751898929 0.0882025740588986 0.0882037763270994 10.3503722482197 10.3500586507303 2460108.141049317 0.0919505908868225 52.9489800304893 15.9885477314718 59.8460885486048 724551.709531034 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
2035-Aug-09 00:04 < 00:01 Earth 0.484835130094515 0.484834816508291 0.484835443681897 11.2848167168788 11.2843297121953 2464548.503018663 0.0942822847073798 73.8262030130659 13.3777655291055 -83.5981577719824 3454548.3601775 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
2074-Jul-31 23:19 < 00:01 Earth 0.499229515473893 0.499228873923997 0.499230157046576 10.9484600595125 10.9479725661203 2478785.471547589 0.291012312915591 192.688854576661 14.8988625226461 81.5251854741513 2964100.1755635 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
2097-Aug-12 01:54 < 00:01 Earth 0.48592742725975 0.485926826673433 0.485928027891698 11.430402752971 11.4299230321984 2487197.579328493 0.314935344795583 270.237709157388 14.5320630534475 -84.431146541427 3492602.18063739 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
2136-Aug-05 18:18 < 00:01 Earth 0.486853457844375 0.486852765690941 0.48685415010026 11.1572720374014 11.1567815073456 2501435.262353111 0.521068069352159 391.868465616575 14.8847811700311 85.438049067993 3170704.72636493 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
2159-Aug-17 02:55 < 00:01 Earth 0.49509655938474 0.4950950224327 0.495098096498631 11.5643043838781 11.563838999637 2509846.621268564 0.51940643986287 461.219179073762 14.6914561510899 -80.6086679536773 3598164.59458354 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
2179-Jul-23 08:49 < 00:01 Mars 0.0830421860394107 0.0830407564056528 0.083043616570465 10.1037886701497 10.1034474532812 2517126.867182702 0.4217602684473 447.642052221173 16.1409737070487 81.0675556901263 765503.892680613 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18
2198-Aug-09 19:53 < 00:01 Earth 0.481167798915562 0.481167487294588 0.48116811056509 11.310063005412 11.309573384253 2524084.328130371 0.732685586660266 598.31620246597 14.7787971986615 89.5396909661578 3317759.2719551 T 23 CATAB v2.0f-lin.ifort 2019-Dec-13 21:18:04 2019-Dec-13 21:18

Alternate Designations
 1980 RB1 = 1959 EH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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