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 ]  
30858 (1992 AU1)
Classification: Main-belt Asteroid          SPK-ID: 2030858
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2533000780494287 1.6582e-08  
a 2.272735647843076 7.6655e-09 au
q 1.697051530858705 3.6825e-08 au
i 24.66674692958301 7.9121e-07 deg
node 87.61755190778827 1.1213e-06 deg
peri 45.97270278411637 2.3844e-06 deg
M 150.4922350707429 2.5886e-06 deg
tp 2458677.341357449819
(2019-Jul-12.84135745)
6.7584e-06 TDB
period 1251.473946343691
3.43
6.3314e-06
1.733e-08
d
yr
n .2876608027292752 1.4553e-09 deg/d
Q 2.848419764827446 9.6071e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1494  
   data-arc span      10508 days (28.77 yr)  
   first obs. used      1991-12-09  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42942  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:41:16  

Additional Information
 Earth MOID = .771339 au 
 Jupiter MOID = 2.44982 au 
 T_jup = 3.451 
[ 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 14.27   n/a E2021B10  
diameter diameter 4.214 km 0.263 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30858 (1992 AU1)          Discovered 1992-Jan-09 by Helin, E. F. at Palomar
Reference: 20011130/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-Jun-24 10:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin