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 ]  
101943 (1999 RS24)
Classification: Main-belt Asteroid          SPK-ID: 2101943
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2532650832288689 3.236e-08  
a 2.38787426869073 1.0475e-08 au
q 1.783109093290698 7.898e-08 au
i 10.29608370967129 4.3252e-06 deg
node 193.183586525601 1.9856e-05 deg
peri 118.7583993536804 2.1961e-05 deg
M 249.4051519973602 1.2543e-05 deg
tp 2459414.545439729208
(2021-Jul-19.04543973)
4.8802e-05 TDB
period 1347.769457569643
3.69
8.8683e-06
2.428e-08
d
yr
n .2671079968299384 1.7576e-09 deg/d
Q 2.992639444090762 1.3128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      7605 days (20.82 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58726  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:37  

Additional Information
 Earth MOID = .796791 au 
 Jupiter MOID = 2.40376 au 
 T_jup = 3.469 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457026.5 (2015-Jan-04.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .25438290113701 3.2476e-08  
q 1.779956528041309 7.9322e-08 au
tp 2456717.400163609381
(2014-Feb-28.90016361)
3.8275e-05 TDB
node 193.2526727193705 1.9891e-05 deg
peri 118.4911004818222 2.195e-05 deg
i 10.28772794246568 4.3232e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      7605 days (20.82 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58726  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:37  

Additional Information
 Jupiter MOID = 2.40376 au 
 T_jup = 3.469 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.054671720495441E-15 -2.563978183048481E-15 4.858167593085158E-14 5.350212713067023E-15 1.411075674964668E-14 8.520522945944544E-16
q -2.563978183048481E-15 6.29204880106497E-15 8.628399668173888E-15 -1.335674304250679E-14 -2.87902135583967E-15 -1.581951372001427E-15
tp 4.858167593085158E-14 8.628399668173888E-15 1.465008070754276E-9 -6.303973594523975E-12 3.664663398473017E-10 2.641496530853878E-12
node 5.350212713067023E-15 -1.335674304250679E-14 -6.303973594523975E-12 3.956320205770707E-10 -3.903970390897435E-10 -4.264452660211005E-12
peri 1.411075674964668E-14 -2.87902135583967E-15 3.664663398473017E-10 -3.903970390897435E-10 4.818136698016747E-10 4.831952915147245E-12
i 8.520522945944544E-16 -1.581951372001427E-15 2.641496530853878E-12 -4.264452660211005E-12 4.831952915147245E-12 1.869017025303187E-11

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 MPO417515  
diameter diameter 2.699 km 0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.782 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.166   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101943 (1999 RS24)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-20 09:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin