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 ]  
85662 (1998 QL41)
Classification: Main-belt Asteroid          SPK-ID: 2085662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .275472428447811 3.8508e-08  
a 2.66003401117845 1.5463e-08 au
q 1.927267982365351 1.0036e-07 au
i 12.19771672523 9.199e-06 deg
node 336.5047334951764 2.0195e-05 deg
peri 71.23045448834226 2.7261e-05 deg
M 323.4900007058968 1.5876e-05 deg
tp 2459161.208384336888
(2020-Nov-07.70838434)
7.019e-05 TDB
period 1584.634880303166
4.34
1.3817e-05
3.783e-08
d
yr
n .2271816709797062 1.9809e-09 deg/d
Q 3.392800039991549 1.9722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      8039 days (22.01 yr)  
   first obs. used      1998-08-01  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:56:33  

Additional Information
 Earth MOID = .975322 au 
 Jupiter MOID = 2.2239 au 
 T_jup = 3.300 
[ 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 14.8   n/a MPO439615  

85662 (1998 QL41)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 QL41 = 2000 DC57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 12:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin