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 ]  
44620 (1999 RS43)
Classification: Main-belt Asteroid          SPK-ID: 2044620
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163934959292389 4.3542e-08  
a 2.176120097718628 5.9427e-09 au
q 1.819377938083776 9.5759e-08 au
i 4.399327335516405 4.7914e-06 deg
node 181.9920435258474 3.8954e-05 deg
peri 181.2293329841284 4.0073e-05 deg
M 178.9397172693909 8.9952e-06 deg
tp 2458417.690043060868
(2018-Oct-26.19004306)
2.9027e-05 TDB
period 1172.526634666688
3.21
4.803e-06
1.315e-08
d
yr
n .3070292728167635 1.2577e-09 deg/d
Q 2.532862257353481 6.9169e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1346  
   data-arc span      7958 days (21.79 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 07:49:06  

Additional Information
 Earth MOID = .816895 au 
 Jupiter MOID = 2.92322 au 
 T_jup = 3.663 
[ 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 15.6   n/a MPO452782  

44620 (1999 RS43)          Discovered 1999-Sep-12 by Korlevic, K. at Visnjan
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RS43 = 1998 HX81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-10 17:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin