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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

[ show close-approach data ]
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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