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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
65337 (2002 MD4)
Classification: Main-belt Asteroid          SPK-ID: 2065337
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137511475136344 3.3137e-08  
a 2.682031229265949 1.3946e-08 au
q 2.376947099269544 9.2121e-08 au
i 1.340264376338948 5.1274e-06 deg
node 13.30144356776303 0.00016041 deg
peri 276.6851877787319 0.00016218 deg
M 25.79668488286694 2.52e-05 deg
tp 2458885.537666541325
(2020-Feb-06.03766654)
0.00011199 TDB
period 1604.33172840011
4.39
1.2513e-05
3.426e-08
d
yr
n .2243924954092901 1.7502e-09 deg/d
Q 2.987115359262354 1.5532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      8980 days (24.59 yr)  
   first obs. used      1994-12-02  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:37:56  

Additional Information
 Earth MOID = 1.36113 au 
 Jupiter MOID = 2.16142 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456711.5 (2014-Feb-23.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126631759547988 3.3088e-08  
q 2.379845010451018 9.1663e-08 au
tp 2457284.275888639971
(2015-Sep-18.77588864)
0.00010999 TDB
node 13.40167065423133 0.00016024 deg
peri 277.2559601228868 0.00016205 deg
i 1.341227622318298 5.1288e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      8980 days (24.59 yr)  
   first obs. used      1994-12-02  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:37:56  

Additional Information
 Jupiter MOID = 2.16142 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.094805804756321E-15 -3.007397716847557E-15 6.146573401634204E-14 -3.264627589394428E-16 1.915019933669583E-14 -8.153247011959207E-17
q -3.007397716847557E-15 8.402018710133442E-15 1.075970924853617E-13 1.332852868600555E-16 -3.914033424970155E-15 4.011523983046254E-16
tp 6.146573401634204E-14 1.075970924853617E-13 1.209787137733446E-8 -1.877030597857456E-11 2.6678552022876E-9 -3.841661640340299E-13
node -3.264627589394428E-16 1.332852868600555E-16 -1.877030597857456E-11 2.56765615114912E-8 -2.567305036581167E-8 5.713756390545198E-11
peri 1.915019933669583E-14 -3.914033424970155E-15 2.6678552022876E-9 -2.567305036581167E-8 2.626022750128875E-8 -5.72012868582421E-11
i -8.153247011959207E-17 4.011523983046254E-16 -3.841661640340299E-13 5.713756390545198E-11 -5.72012868582421E-11 2.630438209119457E-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 15.1   n/a MPO436237  
diameter diameter 2.449 km 0.711 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.170   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65337 (2002 MD4)          Discovered 2002-Jun-17 by NEAT at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 MD4 = 2001 DT71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-02 19:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin