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 ]  
74637 (1999 RS56)
Classification: Main-belt Asteroid          SPK-ID: 2074637
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433032587736739 3.592e-08  
a 2.281261636097099 9.0695e-09 au
q 1.954349409529021 8.1538e-08 au
i 3.686728068666483 3.9578e-06 deg
node 176.3876564882425 6.1082e-05 deg
peri 235.4225588375701 6.3055e-05 deg
M 304.8339127109412 1.791e-05 deg
tp 2459193.354933812695
(2020-Dec-09.85493381)
6.3119e-05 TDB
period 1258.522755271427
3.45
7.5052e-06
2.055e-08
d
yr
n .2860496550357234 1.7059e-09 deg/d
Q 2.608173862665176 1.0369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      987  
   data-arc span      8141 days (22.29 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:13:21  

Additional Information
 Earth MOID = .967694 au 
 Jupiter MOID = 2.73762 au 
 T_jup = 3.589 
[ 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 15.5   n/a MPO280228  

74637 (1999 RS56)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RS56 = 2001 BA48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-21 04:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin