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 ]  
13548 (1992 ER1)
Classification: Main-belt Asteroid          SPK-ID: 2013548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490490660646167 3.5481e-08  
a 2.693517929922463 1.3025e-08 au
q 2.29205159803922 9.3978e-08 au
i 12.63372989617176 3.9872e-06 deg
node 140.453075842943 1.8546e-05 deg
peri 354.1560658059649 2.4005e-05 deg
M 170.576437141126 1.7543e-05 deg
tp 2458235.441276740445
(2018-Apr-26.94127674)
7.604e-05 TDB
period 1614.649391144046
4.42
1.1712e-05
3.207e-08
d
yr
n .2229586199793659 1.6172e-09 deg/d
Q 3.094984261805706 1.4966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1585  
   data-arc span      10373 days (28.40 yr)  
   first obs. used      1992-03-08  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:44:34  

Additional Information
 Earth MOID = 1.30629 au 
 Jupiter MOID = 1.94145 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457059.5 (2015-Feb-06.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484870628572836 3.5214e-08  
q 2.292199328078471 9.3072e-08 au
tp 2456617.654747103726
(2013-Nov-21.15474710)
7.1822e-05 TDB
node 140.5871505790462 1.86e-05 deg
peri 353.2505985217273 2.4146e-05 deg
i 12.6144371207535 3.9825e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1585  
   data-arc span      10373 days (28.40 yr)  
   first obs. used      1992-03-08  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:44:34  

Additional Information
 Jupiter MOID = 1.94145 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.240001874168704E-15 -3.25566869456728E-15 4.60399249931791E-13 3.326850068233182E-15 8.507883269406531E-14 1.626589574862863E-16
q -3.25566869456728E-15 8.662431527368393E-15 -9.568391604736978E-13 -8.532606452128902E-15 -1.651389167752386E-13 -5.273986877914073E-16
tp 4.60399249931791E-13 -9.568391604736978E-13 5.158466960143623E-9 -6.862567580100306E-12 1.125672616651046E-9 -3.372292044440108E-12
node 3.326850068233182E-15 -8.532606452128902E-15 -6.862567580100306E-12 3.45957411434577E-10 -3.387307176247936E-10 3.021932841538273E-12
peri 8.507883269406531E-14 -1.651389167752386E-13 1.125672616651046E-9 -3.387307176247936E-10 5.830398966231968E-10 -3.678879732268581E-12
i 1.626589574862863E-16 -5.273986877914073E-16 -3.372292044440108E-12 3.021932841538273E-12 -3.678879732268581E-12 1.58603412131166E-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 13.7   n/a MPO492902  
diameter diameter 5.255 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13548 (1992 ER1)          Discovered 1992-Mar-08 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000222/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-Sep-28 02:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin