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 ]  
74649 (1999 RF73)
Classification: Main-belt Asteroid          SPK-ID: 2074649
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 .1012323935292156 4.1409e-08  
a 2.231381350373936 8.4661e-09 au
q 2.005493275399129 9.5224e-08 au
i 3.143132694427751 4.5421e-06 deg
node 235.1175138856273 7.4839e-05 deg
peri 201.9844014378271 7.8582e-05 deg
M 359.8821630291752 2.4436e-05 deg
tp 2459000.898509055356
(2020-May-31.39850906)
8.264e-05 TDB
period 1217.472402115288
3.33
6.9288e-06
1.897e-08
d
yr
n .2956945877167489 1.6828e-09 deg/d
Q 2.457269425348743 9.3231e-09 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      9477 days (25.95 yr)  
   first obs. used      1994-01-10  
   last obs. used      2019-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57173  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:53  

Additional Information
 Earth MOID = 1.02112 au 
 Jupiter MOID = 2.73509 au 
 T_jup = 3.633 
[ 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 16.4   n/a MPO436305  
rotation period rot_per 0.97 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

74649 (1999 RF73)          Discovered 1999-Sep-07 by LINEAR at Socorro
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 2020-Dec-04 20:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin