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JPL Small-Body Database Browser
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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726750997687801 4.2172e-08  
a 3.12888239074027 1.4985e-08 au
q 2.588602311754415 1.3106e-07 au
i 11.24504036879227 4.1838e-06 deg
node 86.33209022273655 2.2295e-05 deg
peri 316.4308358401933 2.5017e-05 deg
M 237.8348773922471 1.3651e-05 deg
tp 2459686.504587421940
(2022-Apr-17.00458742)		 7.9636e-05 TDB
period 2021.539750464143
5.53		 1.4523e-05
3.976e-08		 d
yr
n .1780820782363267 1.2793e-09 deg/d
Q 3.669162469726126 1.7573e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2472  
   data-arc span      29826 days (81.66 yr)  
   first obs. used      1938-08-31  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:30:02  

Additional Information
 Earth MOID = 1.61187 au 
 Jupiter MOID = 1.75786 au 
 T_jup = 3.161 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456398.5 (2013-Apr-16.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767424917834544 4.2041e-08  
q 2.569239160034513 1.3016e-07 au
tp 2455655.716743093045
(2011-Apr-04.21674309)		 6.4975e-05 TDB
node 86.34830025548963 2.2316e-05 deg
peri 316.7605962825574 2.4902e-05 deg
i 11.25115627331601 4.1876e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2472  
   data-arc span      29826 days (81.66 yr)  
   first obs. used      1938-08-31  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:30:02  

Additional Information
 Jupiter MOID = 1.75786 au 
 T_jup = 3.161 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.767427690436266E-15 -5.446397411180313E-15 1.682760433202066E-13 1.767204060226912E-15 -7.576597784984764E-15 1.527052426378772E-15
q -5.446397411180313E-15 1.694137290080237E-14 -3.330514438934346E-13 -2.899628689103769E-15 6.135924263256964E-14 -4.858333121191166E-15
tp 1.682760433202066E-13 -3.330514438934346E-13 4.221735435882035E-9 -4.205718796735223E-12 7.466191976469391E-10 -8.76234169455256E-13
node 1.767204060226912E-15 -2.899628689103769E-15 -4.205718796735223E-12 4.98014518459795E-10 -4.884152186299052E-10 -1.393169839362477E-11
peri -7.576597784984764E-15 6.135924263256964E-14 7.466191976469391E-10 -4.884152186299052E-10 6.200935792412347E-10 1.343671552603958E-11
i 1.527052426378772E-15 -4.858333121191166E-15 -8.76234169455256E-13 -1.393169839362477E-11 1.343671552603958E-11 1.753576984830715E-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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