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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726750989049906 4.1651e-08  
a 3.128882390596079 1.4925e-08 au
q 2.588602314337817 1.2959e-07 au
i 11.24504038486068 4.1828e-06 deg
node 86.33208972734805 2.2037e-05 deg
peri 316.4308364326744 2.4781e-05 deg
M 237.834877391049 1.3651e-05 deg
tp 2459686.504587381246
(2022-Apr-17.00458738)
7.9633e-05 TDB
period 2021.539750324402
5.53
1.4464e-05
3.96e-08
d
yr
n .1780820782486369 1.2742e-09 deg/d
Q 3.66916246685434 1.7502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2509  
   data-arc span      29875 days (81.79 yr)  
   first obs. used      1938-08-31  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:36:25  

Additional Information
 Earth MOID = 1.61187 au 
 Jupiter MOID = 1.75786 au 
 T_jup = 3.161 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456423.5 (2013-May-11.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767108900374521 4.1536e-08  
q 2.569424840763634 1.2878e-07 au
tp 2455655.717885769983
(2011-Apr-04.21788577)
6.4949e-05 TDB
node 86.34812773723105 2.2058e-05 deg
peri 316.7680046692386 2.4665e-05 deg
i 11.25116467627189 4.1866e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2509  
   data-arc span      29875 days (81.79 yr)  
   first obs. used      1938-08-31  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:36:25  

Additional Information
 Jupiter MOID = 1.75786 au 
 T_jup = 3.161 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.725221938402337E-15 -5.323429994174145E-15 1.831122317511384E-13 1.808283617717625E-15 -2.450258836057076E-15 1.483298184468249E-15
q -5.323429994174145E-15 1.658320559258705E-14 -3.761692435854838E-13 -3.074548569775164E-15 4.649635939725244E-14 -4.730421012306198E-15
tp 1.831122317511384E-13 -3.761692435854838E-13 4.218386111857548E-9 -3.804402828474521E-12 7.447168839043808E-10 -8.712295158135193E-13
node 1.808283617717625E-15 -3.074548569775164E-15 -3.804402828474521E-12 4.865666095249693E-10 -4.771298930132055E-10 -1.36375366230083E-11
peri -2.450258836057076E-15 4.649635939725244E-14 7.447168839043808E-10 -4.771298930132055E-10 6.083857640161178E-10 1.315203384858547E-11
i 1.483298184468249E-15 -4.730421012306198E-15 -8.712295158135193E-13 -1.36375366230083E-11 1.315203384858547E-11 1.752774491463359E-11

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 10.4   n/a MPO439080  
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. 2019-August); 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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