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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
74789 (1999 SY5)
Classification: Mars-crossing Asteroid          SPK-ID: 2074789
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3206401267579788 4.8163e-08  
a 2.328423910892313 1.0562e-08 au
q 1.581837772957493 1.0953e-07 au
i 23.21840262929487 5.1764e-06 deg
node 130.3891145657793 1.2118e-05 deg
peri 272.3996908704804 1.4823e-05 deg
M 176.7639897598685 1.1802e-05 deg
tp 2457963.289685187787
(2017-Jul-28.78968519)
3.9941e-05 TDB
period 1297.751389545052
3.55
8.8303e-06
2.418e-08
d
yr
n .2774029008177012 1.8875e-09 deg/d
Q 3.075010048827133 1.3949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      9601 days (26.29 yr)  
   first obs. used      1993-01-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:42:03  

Additional Information
 Earth MOID = .774769 au 
 Jupiter MOID = 2.73249 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456847.5 (2014-Jul-09.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3207518149901783 4.8222e-08  
q 1.581844270234672 1.0972e-07 au
tp 2456666.720660199189
(2014-Jan-09.22066020)
3.5804e-05 TDB
node 130.4157189149978 1.2115e-05 deg
peri 272.5359329143857 1.4804e-05 deg
i 23.22152128584973 5.1769e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      9601 days (26.29 yr)  
   first obs. used      1993-01-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:42:03  

Additional Information
 Jupiter MOID = 2.73249 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.325403081502473E-15 -5.281188748422103E-15 6.648457781024574E-13 -7.76536738102282E-15 8.683493097076267E-14 7.729968597291609E-15
q -5.281188748422103E-15 1.203758064337843E-14 -1.457118783953335E-12 1.551192035420323E-14 -1.803836378622076E-13 -1.770114949138541E-14
tp 6.648457781024574E-13 -1.457118783953335E-12 1.281892049597288E-9 -1.52317779178689E-11 3.223125387446581E-10 2.906668436583822E-13
node -7.76536738102282E-15 1.551192035420323E-14 -1.52317779178689E-11 1.467677249748227E-10 -1.376373984327879E-10 -2.191965922543253E-12
peri 8.683493097076267E-14 -1.803836378622076E-13 3.223125387446581E-10 -1.376373984327879E-10 2.191558894666793E-10 1.881128053507145E-12
i 7.729968597291609E-15 -1.770114949138541E-14 2.906668436583822E-13 -2.191965922543253E-12 1.881128053507145E-12 2.680034835321412E-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 14.4   n/a MPO474634  

74789 (1999 SY5)          Discovered 1999-Sep-30 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-Jan-24 08:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin