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66977 (1999 XX82)
Classification: Main-belt Asteroid          SPK-ID: 2066977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572943090480697 3.6147e-08  
a 3.055983660989442 1.7457e-08 au
q 2.575294822571918 1.1685e-07 au
i 8.940788492533676 4.024e-06 deg
node 256.8586916896791 2.7007e-05 deg
peri 212.4609467572625 3.1068e-05 deg
M 318.1009246861646 1.4921e-05 deg
tp 2459427.605110128609
(2021-Aug-01.10511013)
8.1442e-05 TDB
period 1951.304152511982
5.34
1.672e-05
4.578e-08
d
yr
n .184491997076191 1.5808e-09 deg/d
Q 3.536672499406967 2.0203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1430  
   data-arc span      8232 days (22.54 yr)  
   first obs. used      1998-08-19  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:27  

Additional Information
 Earth MOID = 1.59709 au 
 Jupiter MOID = 1.6665 au 
 T_jup = 3.198 
[ 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 13.89   n/a E2021B10  

66977 (1999 XX82)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XX82 = 1998 QY76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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