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JPL Small-Body Database Browser
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80068 (1999 JM94)
Classification: Main-belt Asteroid          SPK-ID: 2080068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1704522105839687 4.0765e-08  
a 3.10985508082984 2.4032e-08 au
q 2.579773407706607 1.2695e-07 au
i 16.66483864807311 5.2814e-06 deg
node 172.2819146228236 1.4691e-05 deg
peri 67.87847611860637 2.1037e-05 deg
M 226.3989259375407 1.6765e-05 deg
tp 2459343.888952518389
(2021-May-09.38895252)
9.8095e-05 TDB
period 2003.127780106814
5.48
2.322e-05
6.357e-08
d
yr
n .1797189393383598 2.0832e-09 deg/d
Q 3.639936753953073 2.8129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      7514 days (20.57 yr)  
   first obs. used      1999-05-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55442  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:45:47  

Additional Information
 Earth MOID = 1.6241 au 
 Jupiter MOID = 1.55359 au 
 T_jup = 3.133 
[ 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 14.0   n/a MPO337860  
diameter diameter 4.092 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.319   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80068 (1999 JM94)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 JM94 = 2000 QT176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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