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 ]  
74775 (1999 RB237)
Classification: Main-belt Asteroid          SPK-ID: 2074775
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817277233348978 3.6994e-08  
a 2.327611514629912 8.0487e-09 au
q 1.904619973268125 8.7047e-08 au
i 5.793118972620411 4.0606e-06 deg
node 96.42448833225774 4.2402e-05 deg
peri 208.0023400738793 4.4023e-05 deg
M 339.0427545725725 1.0971e-05 deg
tp 2459076.008504865600
(2020-Aug-14.50850487)
3.9552e-05 TDB
period 1297.07226294351
3.55
6.7278e-06
1.842e-08
d
yr
n .2775481446060949 1.4396e-09 deg/d
Q 2.750603055991699 9.5114e-09 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      10157 days (27.81 yr)  
   first obs. used      1992-12-02  
   last obs. used      2020-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:26  

Additional Information
 Earth MOID = .891547 au 
 Jupiter MOID = 2.48151 au 
 T_jup = 3.544 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456947.5 (2014-Oct-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817787252781234 3.708e-08  
q 1.903993126585019 8.7122e-08 au
tp 2456480.950654893636
(2013-Jul-07.45065489)
4.0707e-05 TDB
node 96.49824813236404 4.2338e-05 deg
peri 207.6378052911911 4.3955e-05 deg
i 5.797526263952236 4.0643e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      10157 days (27.81 yr)  
   first obs. used      1992-12-02  
   last obs. used      2020-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:26  

Additional Information
 Jupiter MOID = 2.48151 au 
 T_jup = 3.544 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.374894455320879E-15 -3.221316540384891E-15 1.470042872566E-13 3.19388655247005E-14 3.024731578373504E-14 -1.425894694674501E-15
q -3.221316540384891E-15 7.590244387493179E-15 -4.079615027749085E-13 -7.609284376501429E-14 -8.322108438243062E-14 3.449033166659424E-15
tp 1.470042872566E-13 -4.079615027749085E-13 1.65703034338968E-9 2.234304941938473E-12 4.982291438977315E-10 1.470281848582007E-12
node 3.19388655247005E-14 -7.609284376501429E-14 2.234304941938473E-12 1.792515981208496E-9 -1.781650793122753E-9 1.054856133119715E-11
peri 3.024731578373504E-14 -8.322108438243062E-14 4.982291438977315E-10 -1.781650793122753E-9 1.932071954756711E-9 -1.00685479531795E-11
i -1.425894694674501E-15 3.449033166659424E-15 1.470281848582007E-12 1.054856133119715E-11 -1.00685479531795E-11 1.651873491497603E-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 15.9   n/a MPO436306  

74775 (1999 RB237)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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-17 04:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin