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 ]  
4304 Geichenko (1973 SW4)
Classification: Main-belt Asteroid          SPK-ID: 2004304
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1486346896046158 1.609e-08  
a 2.452575879590933 7.9078e-09 au
q 2.088038024996167 3.8951e-08 au
i 3.066105376881247 4.4982e-07 deg
node 312.4582698310523 1.4654e-05 deg
peri 62.57402461809285 1.42e-05 deg
M 112.122285403527 4.4602e-06 deg
tp 2458763.560259177716
(2019-Oct-07.06025918)
1.6719e-05 TDB
period 1402.917414052944
3.84
6.7851e-06
1.858e-08
d
yr
n .2566081199034957 1.2411e-09 deg/d
Q 2.817113734185699 9.0832e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2281  
   data-arc span      18791 days (51.45 yr)  
   first obs. used      1969-10-09  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45015  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:32:47  

Additional Information
 Earth MOID = 1.08954 au 
 Jupiter MOID = 2.6611 au 
 T_jup = 3.477 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.18   n/a MPCxxxxx  
diameter diameter 8.432 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4304 Geichenko (1973 SW4)          Discovered 1973-Sep-27 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1973 SW4 = 1969 TY2 = 1973 UJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-12 11:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin