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 ]  
101954 (1999 RY33)
Classification: Main-belt Asteroid          SPK-ID: 2101954
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3429907758566311 5.0623e-08  
a 3.171667871897411 2.7875e-08 au
q 2.083815047755768 1.6489e-07 au
i 24.5205548457267 8.6941e-06 deg
node 189.7294175000289 1.528e-05 deg
peri 100.165525031818 2.0242e-05 deg
M 254.250558378871 1.4693e-05 deg
tp 2459606.545964039597
(2022-Jan-27.04596404)
8.9927e-05 TDB
period 2063.146090510067
5.65
2.7198e-05
7.446e-08
d
yr
n .1744907942563573 2.3003e-09 deg/d
Q 4.259520696039054 3.7435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      8060 days (22.07 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:04:13  

Additional Information
 Earth MOID = 1.22223 au 
 Jupiter MOID = 1.91857 au 
 T_jup = 2.975 
[ 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 15.3   n/a MPO432546  
diameter diameter 5.175 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.194 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 0.032   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

101954 (1999 RY33)          Discovered 1999-Sep-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2000-Dec-11 19:28 < 00:01 Jupiter 1.98909021467502 1.98908906216925 1.98909136718079 6.49732198918418 6.43144810725422 2451890.311080414 0.750824707674401 127.3983909624 54.9859083378264 88.1213838774994 1351687.77386908 T 11 CATAB v2.0f-lin.ifort 2020-May-20 18:04:19 2020-May-20 18:04
2011-Dec-27 14:04 < 00:01 Jupiter 1.90140412407972 1.901403209318 1.90140503884209 7.07575136752788 7.01251118971865 2455923.085927602 0.327868382587362 105.91364562547 36.3107459325178 -74.9352636089348 1954784.95051763 T 11 CATAB v2.0f-lin.ifort 2020-May-20 18:04:19 2020-May-20 18:04
2119-Apr-05 06:01 00:03 Jupiter 1.94746228047021 1.94746048047345 1.94746408050128 6.59324669914275 6.52694637221209 2495102.750824772 3.11421684187035 500.002072713415 48.674749067435 81.2851801036946 1566440.93053198 T 11 CATAB v2.0f-lin.ifort 2020-May-20 18:04:19 2020-May-20 18:04

Alternate Designations
 1999 RY33 = 2004 FN64 
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-23 09:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin