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 ]  
20397 (1998 MR35)
Classification: Main-belt Asteroid          SPK-ID: 2020397
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07886171422563429 3.3924e-08  
a 2.897157089798458 1.2969e-08 au
q 2.668682315316002 9.8203e-08 au
i 3.056526337238724 3.9343e-06 deg
node 53.79539287995176 7.0852e-05 deg
peri 285.2455420676296 7.5294e-05 deg
M 121.7340659013949 2.5838e-05 deg
tp 2458391.431526776000
(2018-Sep-29.93152678)
0.00012934 TDB
period 1801.177416831253
4.93
1.2094e-05
3.311e-08
d
yr
n .1998692614264147 1.3421e-09 deg/d
Q 3.125631864280915 1.3992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2044  
   data-arc span      11311 days (30.97 yr)  
   first obs. used      1989-11-03  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:03:04  

Additional Information
 Earth MOID = 1.66181 au 
 Jupiter MOID = 2.17684 au 
 T_jup = 3.282 
[ 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 13.4   n/a MPO333007  
diameter diameter 5.710 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.259   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20397 (1998 MR35)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 MR35 = 1989 VA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 05:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin