Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
2348 Michkovitch (1939 AA)
Classification: Main-belt Asteroid          SPK-ID: 2002348
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1725026324839545 3.4592e-08  
a 2.39668040891991 7.9949e-09 au
q 1.983246729158505 8.4746e-08 au
i 4.670756998860169 3.9598e-06 deg
node 186.3468309228314 4.0479e-05 deg
peri 295.526038970145 4.1742e-05 deg
M 326.0160117959425 1.0825e-05 deg
tp 2459128.433846939117
(2020-Oct-05.93384694)
4.0952e-05 TDB
period 1355.231899844626
3.71
6.7812e-06
1.857e-08
d
yr
n .2656371946685088 1.3292e-09 deg/d
Q 2.810114088681315 9.374e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2519  
   data-arc span      29857 days (81.74 yr)  
   first obs. used      1939-01-26  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:10:22  

Additional Information
 Earth MOID = 1.00415 au 
 Jupiter MOID = 2.27937 au 
 T_jup = 3.504 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456713.5 (2014-Feb-25.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715944255534079 3.4642e-08  
q 1.985466076563174 8.4791e-08 au
tp 2456417.448372864712
(2013-May-04.94837286)
3.9146e-05 TDB
node 186.3914673227971 4.0451e-05 deg
peri 295.4807310864326 4.1732e-05 deg
i 4.67118046068171 3.9614e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2519  
   data-arc span      29857 days (81.74 yr)  
   first obs. used      1939-01-26  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:10:22  

Additional Information
 Jupiter MOID = 2.27937 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.200092194263194E-15 -2.928847343562987E-15 2.162179991889641E-13 -9.060077819994067E-17 8.209236183662423E-14 -4.07978222497381E-16
q -2.928847343562987E-15 7.189551715292988E-15 -5.227905988052239E-13 2.587017307113128E-17 -1.97603349789888E-13 1.10674835081954E-15
tp 2.162179991889641E-13 -5.227905988052239E-13 1.532438120467847E-9 1.101176713212777E-12 4.097523215235448E-10 -1.405840707100426E-13
node -9.060077819994067E-17 2.587017307113128E-17 1.101176713212777E-12 1.636307590791769E-9 -1.630151374466938E-9 -2.005444209386141E-11
peri 8.209236183662423E-14 -1.97603349789888E-13 4.097523215235448E-10 -1.630151374466938E-9 1.741559365603808E-9 1.995786571047269E-11
i -4.07978222497381E-16 1.10674835081954E-15 -1.405840707100426E-13 -2.005444209386141E-11 1.995786571047269E-11 1.569286138122663E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO416733  
diameter diameter 4.595 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 28. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
geometric albedo albedo 0.917   0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2348 Michkovitch (1939 AA)          Discovered 1939-Jan-10 by Protitch, M. B. at Belgrade
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1939 AA = 1958 GR = 1965 DA = 1975 XA5 = 1978 QH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 05:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin