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 ]  
49100 (1998 RT74)
Classification: Main-belt Asteroid          SPK-ID: 2049100
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115708564837876 4.1614e-08  
a 2.429587012235026 8.2254e-09 au
q 2.158515908378078 1.0096e-07 au
i 1.801291893966723 3.7523e-06 deg
node 313.9448503128184 0.00011326 deg
peri 196.8938485427401 0.00011419 deg
M 130.0442031337701 1.3997e-05 deg
tp 2458500.827314029459
(2019-Jan-17.32731403)
5.3629e-05 TDB
period 1383.238642051264
3.79
7.0244e-06
1.923e-08
d
yr
n .2602587789668315 1.3217e-09 deg/d
Q 2.700658116091975 9.1431e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1637  
   data-arc span      11990 days (32.83 yr)  
   first obs. used      1987-12-23  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49864  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:34:17  

Additional Information
 Earth MOID = 1.16943 au 
 Jupiter MOID = 2.29388 au 
 T_jup = 3.499 
[ 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 15.0   n/a MPO280005  
diameter diameter 7.864 km 0.375 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.038   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

49100 (1998 RT74)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RT74 = 1987 YV3 = 1996 AB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 08:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin