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 ]  
85728 (1998 SR75)
Classification: Main-belt Asteroid          SPK-ID: 2085728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571934326053034 5.5153e-08  
a 2.136956562540314 5.5113e-09 au
q 1.801041025146172 1.1668e-07 au
i 2.369400983951353 5.8488e-06 deg
node 193.6535005402551 9.7326e-05 deg
peri 168.4595482772523 9.8534e-05 deg
M 40.37768296699223 1.5194e-05 deg
tp 2459072.523313481554
(2020-Aug-11.02331348)
4.8091e-05 TDB
period 1141.016615151068
3.12
4.4141e-06
1.209e-08
d
yr
n .315508113746737 1.2206e-09 deg/d
Q 2.472872099934456 6.3777e-09 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      10270 days (28.12 yr)  
   first obs. used      1992-11-26  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51565  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:14:41  

Additional Information
 Earth MOID = .796721 au 
 Jupiter MOID = 2.98069 au 
 T_jup = 3.700 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.84   n/a E2021B10  

85728 (1998 SR75)          Discovered 1998-Sep-17 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-24 07:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin