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 ]  
85442 (1997 GW1)
Classification: Main-belt Asteroid          SPK-ID: 2085442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08639795287739555 5.1812e-08  
a 2.432464857212473 1.1876e-08 au
q 2.222304873103109 1.3216e-07 au
i 2.437006087768919 5.3443e-06 deg
node 199.4368863352786 8.0777e-05 deg
peri 142.8732880528679 8.4096e-05 deg
M 243.4792364823569 2.4606e-05 deg
tp 2459449.006880272760
(2021-Aug-22.50688027)
9.5633e-05 TDB
period 1385.697038225686
3.79
1.0148e-05
2.778e-08
d
yr
n .2597970480336463 1.9026e-09 deg/d
Q 2.642624841321836 1.2902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      10402 days (28.48 yr)  
   first obs. used      1991-11-05  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:58  

Additional Information
 Earth MOID = 1.2147 au 
 Jupiter MOID = 2.65309 au 
 T_jup = 3.500 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO426529  
diameter diameter 2.608 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.049   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

85442 (1997 GW1)          Discovered 1997-Apr-07 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 GW1 = 2002 RV23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 03:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin