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30888 Okitsumisaki (1993 BG2)
Classification: Main-belt Asteroid          SPK-ID: 2030888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2367440980000119 3.0932e-08  
a 2.86873404520281 1.2108e-08 au
q 2.189578191269345 9.1337e-08 au
i 4.106212332858455 4.4191e-06 deg
node 323.0373109126578 4.3467e-05 deg
peri 118.3281795269705 4.4424e-05 deg
M 333.1454245817524 1.019e-05 deg
tp 2459528.888312906215
(2021-Nov-10.38831291)
5.0654e-05 TDB
period 1774.736405396778
4.86
1.1236e-05
3.076e-08
d
yr
n .20284702500342 1.2842e-09 deg/d
Q 3.547889899136274 1.4974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1493  
   data-arc span      10227 days (28.00 yr)  
   first obs. used      1993-01-19  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:50:20  

Additional Information
 Earth MOID = 1.20897 au 
 Jupiter MOID = 1.72675 au 
 T_jup = 3.253 
[ 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 13.97   n/a E2021B10  
diameter diameter 9.203 km 0.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.975 h n/a LCDB (Rev. 2020-October); 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 0.069   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30888 Okitsumisaki           Discovered 1993 Jan. 19 by T. Seki at Geisei.
Okitsumisaki in western Kochi prefecture is a small promontory jutting into the Pacific Ocean. It is a well-known scenic spot with popular swimming beaches.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

[ 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
1912-Mar-01 11:37 00:02 Jupiter 1.87840392016827 1.8784028787231 1.87840496161312 1.26238506825467 0.831722687234041 2419462.984366508 2.01549061781322 360.207875606657 125.299854245765 24.1649820617224 1768332.3478564 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 19:50:26 2021-Jul-08 19:50
1937-Jan-16 19:59 00:01 Jupiter 1.73410452659483 1.73410418690689 1.73410486628582 1.44264232187985 1.05086528314196 2428550.332389181 1.44798410319864 284.267703292055 64.4684856320805 49.8536467592745 3584581.5655224 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 19:50:26 2021-Jul-08 19:50
1961-Dec-05 11:13 00:01 Jupiter 1.90872550113406 1.90872475427504 1.90872624799276 2.47122350441429 2.28460473956013 2437638.967271199 1.0190306961237 55.3042477602747 14.794434686136 79.7259608407636 1537254.65791167 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 19:50:26 2021-Jul-08 19:50
2019-Jun-05 05:13 < 00:01 Jupiter 1.78280767255505 1.78280737392916 1.78280797118175 1.2336985851285 0.756174796863362 2458639.717559050 0.194302323918243 368.026626118041 124.67614183692 25.2144003673023 2827963.74092369 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 19:50:26 2021-Jul-08 19:50
2044-Apr-16 13:08 < 00:01 Jupiter 1.75861667409154 1.75861628793936 1.75861706024402 1.74772505150528 1.44611899693096 2467722.047251678 0.59405225654164 128.023128388065 31.5470195732282 63.0737786562262 3141060.65233085 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 19:50:26 2021-Jul-08 19:50
2101-Oct-13 16:47 00:02 Jupiter 1.96062928788489 1.96062830003715 1.96063027573108 1.51585307441276 1.19740522330373 2488720.199391573 1.7077566149602 92.1100625317835 62.1850145568455 10.2502362521846 1343086.18069525 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 19:50:26 2021-Jul-08 19:50
2126-Sep-04 04:45 00:02 Jupiter 1.72555342829059 1.72555300204058 1.72555385454059 1.38580879161081 0.968878677260623 2497811.697831125 2.08285072990841 333.01785449798 76.0317346165173 44.3205328060294 3704658.91338901 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 19:50:26 2021-Jul-08 19:50
2151-Jul-19 16:25 00:03 Jupiter 1.8245184594108 1.82451730894081 1.82451960987954 2.11635172975838 1.88426532292107 2506896.183983204 2.64037488615484 83.0001275194249 23.0754359270988 79.060508407659 925991.675561685 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 19:50:26 2021-Jul-08 19:50

Alternate Designations
 1993 BG2 = 2001 QR235 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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