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1771 Makover (1968 BD)
Classification: Main-belt Asteroid          SPK-ID: 2001771
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1714261444251302 2.0471e-08  
a 3.132225902183495 1.367e-08 au
q 2.595280492303653 6.848e-08 au
i 11.2301166665936 8.7575e-07 deg
node 86.30925369364617 3.3875e-06 deg
peri 316.1668615530476 5.2679e-06 deg
M 273.6160379459103 7.7323e-06 deg
tp 2459686.357219543134
(2022-Apr-16.85721954)
4.5205e-05 TDB
period 2024.780930122289
5.54
1.3255e-05
3.629e-08
d
yr
n .1777970123307401 1.1639e-09 deg/d
Q 3.669171312063336 1.6013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2647  
   data-arc span      29992 days (82.11 yr)  
   first obs. used      1938-08-31  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:55:00  

Additional Information
 Earth MOID = 1.61769 au 
 Jupiter MOID = 1.75956 au 
 T_jup = 3.161 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456569.5 (2013-Oct-04.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765335318225325 2.0682e-08  
q 2.570407271609506 6.9332e-08 au
tp 2455655.648624707580
(2011-Apr-04.14862471)
3.7075e-05 TDB
node 86.34786670894273 3.386e-06 deg
peri 316.7938461316324 5.1451e-06 deg
i 11.2511931635351 8.7595e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2647  
   data-arc span      29992 days (82.11 yr)  
   first obs. used      1938-08-31  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:55:00  

Additional Information
 Jupiter MOID = 1.75956 au 
 T_jup = 3.161 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.27730029776255E-16 -1.416744456710537E-15 -2.503023838888226E-13 6.071686315292891E-15 -1.87782453704377E-14 8.162674758021145E-16
q -1.416744456710537E-15 4.806917859002342E-15 7.565096993670142E-13 -1.422122555923584E-14 6.108176595852635E-14 -1.104854920417191E-15
tp -2.503023838888226E-13 7.565096993670142E-13 1.374540647183791E-9 5.457325762610933E-11 1.539038460041443E-10 1.622940937593085E-11
node 6.071686315292891E-15 -1.422122555923584E-14 5.457325762610933E-11 1.146468860518691E-11 -8.780707039777777E-13 2.533983126505469E-12
peri -1.87782453704377E-14 6.108176595852635E-14 1.539038460041443E-10 -8.780707039777777E-13 2.647237762378863E-11 4.922507726570741E-13
i 8.162674758021145E-16 -1.104854920417191E-15 1.622940937593085E-11 2.533983126505469E-12 4.922507726570741E-13 7.672929455181966E-13

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 10.44   n/a MPCxxxxx  
diameter diameter 46.886 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.26 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Ferrero, A. (2012) Minor Planet Bull. 39, 65-67.]
geometric albedo albedo 0.072   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1771 Makover (1968 BD)          Discovered 1968-Jan-24 by Chernykh, L. at Nauchnyj
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
1948-Jul-13 18:23 00:01 Jupiter 1.80486406686791 1.80486370789967 1.80486442583883 3.23060335863209 3.08191470962252 2432746.265913998 1.32970372911531 121.378784577656 5.31841502206369 83.3950936088651 13705017.3131045 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 12:56:17 2021-Apr-12 12:56
1958-Nov-02 17:40 00:01 Jupiter 1.85363281925889 1.85363240660557 1.85363323191347 2.47631803022639 2.28434795906571 2436510.235876995 1.14153192713999 89.7036860160166 12.0916140075973 75.770668033194 7597597.52181845 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 12:56:17 2021-Apr-12 12:56
2031-Apr-21 19:50 < 00:01 Jupiter 1.76721431932113 1.76721413915894 1.76721449948361 3.08817094309168 2.92885703341157 2462978.326266068 0.356480218929547 46.1816536247196 5.06535622285648 82.8217986589301 12910573.0463702 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 12:56:17 2021-Apr-12 12:56
2041-Aug-06 14:27 < 00:01 Jupiter 1.90428735261579 1.90428709140715 1.90428761382508 2.41793908919703 2.22639488157977 2466738.102327993 0.636038709602549 71.8797379372778 9.02046350932371 80.0645970564811 7117344.39597159 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 12:56:17 2021-Apr-12 12:56
2103-Oct-13 11:12 00:02 Jupiter 1.97449634920415 1.97449556768421 1.97449713072667 3.54923216336536 3.42623493686592 2489449.966349158 1.8771369015368 124.852995591461 6.6360310519098 74.0377365939782 11861684.7269526 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 12:56:17 2021-Apr-12 12:56
2114-Jan-29 13:34 00:02 Jupiter 1.75401072965563 1.75401055968504 1.75401089962651 2.98419163517127 2.81772736098813 2493211.064958867 2.02071732597843 158.457104360168 8.13813725039736 -88.5966440955929 12224044.7051181 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 12:56:17 2021-Apr-12 12:56
2124-May-09 13:30 00:02 Jupiter 1.9729431926642 1.97294222643923 1.97294415890925 2.42866995492443 2.24494971665834 2496964.062507364 2.446309911441 334.772274427542 6.94051606110372 80.8479557193213 7738056.12861999 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 12:56:17 2021-Apr-12 12:56
2186-Jul-18 06:33 00:04 Jupiter 1.89378598250356 1.89378458349542 1.8937873815259 3.32322343495129 3.18579437016298 2519678.772708710 3.60201787445387 274.563700713007 5.96188834153329 76.7069274980751 12635890.0990041 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 12:56:17 2021-Apr-12 12:56
2196-Nov-07 18:27 00:04 Jupiter 1.75573236174923 1.75573183700553 1.75573288649991 2.89849022299529 2.72697275238032 2523444.268818357 3.68440027609761 207.931884078819 13.1819783096828 -80.9441147160512 11610064.3505792 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 12:56:17 2021-Apr-12 12:56

Alternate Designations
 1968 BD = 1937 LM = 1938 QJ = 1941 FH = 1950 XW = 1952 FU = 1958 HF = 1961 XV = 1966 UC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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