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 ]  
3941 Haydn (1973 UU5)
Classification: Main-belt Asteroid          SPK-ID: 2003941
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0232460453809594 2.9482e-08  
a 2.927963326971813 1.3628e-08 au
q 2.859899758599242 8.8413e-08 au
i 1.669703219519631 5.2192e-06 deg
node 185.2282592991759 0.00012107 deg
peri 283.4765552285504 0.00017124 deg
M 28.47026253910148 0.00012011 deg
tp 2458855.777569555520
(2020-Jan-07.27756956)
0.00061056 TDB
period 1829.982245104271
5.01
1.2777e-05
3.498e-08
d
yr
n .196723220109432 1.3735e-09 deg/d
Q 2.996026895344384 1.3945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2268  
   data-arc span      16901 days (46.27 yr)  
   first obs. used      1973-10-27  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:00:05  

Additional Information
 Earth MOID = 1.8772 au 
 Jupiter MOID = 2.01393 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456496.5 (2013-Jul-23.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02186648850395325 3.0105e-08  
q 2.862490456496819 9.0048e-08 au
tp 2457062.031018463538
(2015-Feb-08.53101846)
0.00064109 TDB
node 185.3678895730699 0.00012152 deg
peri 290.5986917862311 0.00017591 deg
i 1.665022906529348 5.2143e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2268  
   data-arc span      16901 days (46.27 yr)  
   first obs. used      1973-10-27  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:00:05  

Additional Information
 Jupiter MOID = 2.01393 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.063175105151488E-16 -2.681596369453503E-15 2.225028579091018E-12 -2.720823084240491E-15 4.534385172570124E-13 -2.641079887238524E-16
q -2.681596369453503E-15 8.108570581477782E-15 -6.906229013101817E-12 9.545662184272677E-15 -1.416391111800044E-12 9.674545638766251E-16
tp 2.225028579091018E-12 -6.906229013101817E-12 4.10991893749197E-7 -8.404356088380706E-11 8.154596620987065E-8 -1.774850624235824E-12
node -2.720823084240491E-15 9.545662184272677E-15 -8.404356088380706E-11 1.476640609997553E-8 -1.477685433681083E-8 1.596064000754884E-10
peri 4.534385172570124E-13 -1.416391111800044E-12 8.154596620987065E-8 -1.477685433681083E-8 3.094260833486052E-8 -1.599126561331587E-10
i -2.641079887238524E-16 9.674545638766251E-16 -1.774850624235824E-12 1.596064000754884E-10 -1.599126561331587E-10 2.718915071144311E-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 13.1   n/a MPO502191  
diameter diameter 6.006 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.339   0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3941 Haydn (1973 UU5)          Discovered 1973-Oct-27 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1973 UU5 = 1978 TQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-09 17:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin