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 ]  
1722 Goffin (1938 EG)
Classification: Main-belt Asteroid          SPK-ID: 2001722
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 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05017500902815188 1.7633e-08  
a 2.513711599231394 6.4901e-09 au
q 2.387586097045789 4.6296e-08 au
i 5.46559648666495 5.6173e-07 deg
node 168.0223567206636 6.8732e-06 deg
peri 284.8579381105325 1.8179e-05 deg
M 337.1217281207542 1.8251e-05 deg
tp 2459293.010774428815
(2021-Mar-19.51077443)
7.3843e-05 TDB
period 1455.699056736234
3.99
5.6377e-06
1.544e-08
d
yr
n .2473038629338278 9.5777e-10 deg/d
Q 2.639837101416999 6.8158e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3238  
   data-arc span      30345 days (83.08 yr)  
   first obs. used      1938-02-23  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:42:32  

Additional Information
 Earth MOID = 1.41112 au 
 Jupiter MOID = 2.43452 au 
 T_jup = 3.452 
[ 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 12.10   n/a E2021B10  
diameter diameter 10.290 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 29.19 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1984) http://www.asu.cas.cz/~ppravec/neo.htm]
[Ditteon, R.; Adam, A.; Doyel, M.; Gibson, J.; et al. (2018) Minor Planet Bull. 45, 13-16.]
geometric albedo albedo 0.224   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.890   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.11 deg.

1722 Goffin (1938 EG)          Discovered 1938-Feb-23 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1938 EG = 1942 DJ = 1950 HK = 1952 SW = 1952 UQ = 1960 WB = 1964 UF = 1964 VD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-23 04:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin