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JPL Small-Body Database Browser
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80376 (1999 XQ157)
Classification: Main-belt Asteroid          SPK-ID: 2080376
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04604863491353506 4.7225e-08  
a 2.270157106898844 1.2389e-08 au
q 2.165619471086892 1.0896e-07 au
i 6.076128272697868 5.6712e-06 deg
node 231.6668170630043 4.5373e-05 deg
peri 271.8329411908507 8.1064e-05 deg
M 184.8800766725595 6.967e-05 deg
tp 2459208.236548550135
(2020-Dec-24.73654855)
0.00024376 TDB
period 1249.344753703224
3.42
1.0227e-05
2.8e-08
d
yr
n .2881510479256523 2.3588e-09 deg/d
Q 2.374694742710795 1.296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      7294 days (19.97 yr)  
   first obs. used      1999-12-08  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53462  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 07:42:55  

Additional Information
 Earth MOID = 1.18786 au 
 Jupiter MOID = 2.63354 au 
 T_jup = 3.604 
[ 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 16.2   n/a MPO502639  

80376 (1999 XQ157)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XQ157 = 2002 TT89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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