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JPL Small-Body Database Browser
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85331 (1995 QA13)
Classification: Main-belt Asteroid          SPK-ID: 2085331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03348466718454914 5.4707e-08  
a 3.191622747591389 3.2822e-08 au
q 3.084752322109655 1.7025e-07 au
i 6.025748386936066 6.1695e-06 deg
node 206.5258292774378 5.1439e-05 deg
peri 5.27629285411112 0.00010004 deg
M 205.7555735869113 8.6929e-05 deg
tp 2459492.824327989620
(2021-Oct-05.32432799)
0.00050373 TDB
period 2082.647428802031
5.70
3.2126e-05
8.796e-08
d
yr
n .1728569104022937 2.6664e-09 deg/d
Q 3.298493173073123 3.3921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      8557 days (23.43 yr)  
   first obs. used      1995-08-22  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62437  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:35:52  

Additional Information
 Earth MOID = 2.07874 au 
 Jupiter MOID = 1.66606 au 
 T_jup = 3.187 
[ 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 14.8   n/a MPO432397  

85331 (1995 QA13)          Discovered 1995-Aug-22 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1995 QA13 = 2001 TU98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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