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4192 Breysacher (1981 DH)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004192
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1676633434042323 1.4023e-08  
a 3.208498341186305 1.4636e-08 au
q 2.670550781996075 4.9314e-08 au
i .5482952472162552 6.3338e-07 deg
node 208.0567014722658 4.4458e-05 deg
peri 128.5281247293176 4.4935e-05 deg
M 158.6411701981381 9.0598e-06 deg
tp 2458275.451380256125
(2018-Jun-05.95138026)
5.0018e-05 TDB
period 2099.187132141461
5.75
1.4363e-05
3.932e-08
d
yr
n .171494953683691 1.1734e-09 deg/d
Q 3.746445900376534 1.709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3074  
   data-arc span      24396 days (66.79 yr)  
   first obs. used      1954-06-05  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43136  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:28:11  

Additional Information
 Earth MOID = 1.65928 au 
 Jupiter MOID = 1.64063 au 
 T_jup = 3.170 
[ 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 11.96   n/a E2021B10  
diameter diameter 21.245 km 0.386 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.394 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 0.082   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4192 Breysacher (1981 DH)          Discovered 1981-Feb-28 by Debehogne and Sanctis at La Silla
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
1993-Feb-20 20:46 < 00:01 Jupiter 1.87310606321976 1.87310574420624 1.87310638223327 2.17408299141105 1.95505310328184 2449039.365083079 0.539455153357512 19.1156650211307 1.33159886059809 -81.0934514425793 6131325.29246377 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29
2004-Feb-29 16:19 < 00:01 Jupiter 1.70012972980486 1.70012955671996 1.70012990288966 1.59838653446633 1.24836632451329 2453065.180000477 0.267868256530774 24.0150901767938 13.2752586162016 -37.4910926614892 6531999.19489668 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29
2015-Mar-23 00:33 < 00:01 Jupiter 1.62172335181301 1.6217232138611 1.62172348976493 1.46204246310527 1.04545329791527 2457104.522737886 0.066831958817351 47.6160659264734 12.5539207666412 -30.736788990477 11136546.4212334 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29
2026-Apr-05 16:08 < 00:01 Jupiter 1.66311841267021 1.66311825725645 1.66311856808387 1.77987791879798 1.46607293509562 2461136.172268892 0.293030671303984 13.358989239278 8.28853190130484 -44.3018362407136 7426770.6448065 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29
2037-Mar-25 18:28 < 00:01 Jupiter 1.81664444380894 1.81664420490347 1.81664468271442 2.63780900124212 2.45469408943401 2465143.269548703 0.554828705138975 9.91354868869875 4.46367924739271 -76.3523776086098 5736320.14305231 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29
2135-Nov-07 20:22 00:02 Jupiter 1.89249050612348 1.89248975743824 1.89249125480904 2.25646575453443 2.04853536353967 2501163.348723227 1.8884401915115 62.3583147411341 1.64430665183719 -85.4515736624661 6594360.169238 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29
2146-Nov-15 19:37 00:02 Jupiter 1.7219068672244 1.7219062782565 1.72190745619229 1.64503996168892 1.31237848346967 2505189.317559239 2.04426202701799 77.8618745117036 18.5431496399964 55.9964629092905 4545532.28897348 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29
2157-Dec-06 17:01 00:02 Jupiter 1.63938645237762 1.63938624922729 1.6393866555286 1.46095835821814 1.04931332540775 2509228.208724493 2.2732937252753 116.69445231491 36.6644682776026 -82.998129515094 5968708.30182895 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29
2168-Dec-21 14:21 00:03 Jupiter 1.67003478096809 1.67003428562142 1.67003527631579 1.72456490070884 1.39990964215283 2513261.097594791 2.66301904960201 116.496565639655 9.66691942459395 -57.9001971646098 7897187.23699154 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29
2179-Dec-15 01:59 00:03 Jupiter 1.81309262297007 1.81309154697977 1.81309369895954 2.52055991596024 2.32784927698268 2517271.582911723 3.11327517611115 17.8201362124689 5.23337380526894 -55.2943054312683 1849693.92516882 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:29:23 2021-May-03 21:29

Alternate Designations
 1981 DH = 1949 PD = 1949 PX = 1954 LB = 1972 TK5 = 1978 SA6 = 1980 BZ3 = 1989 QC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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