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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571596162343749 3.9836e-08  
a 3.055289342298492 2.1337e-08 au
q 2.575121241777885 1.2378e-07 au
i 8.941222531298044 4.3289e-06 deg
node 256.8557963236195 3.4326e-05 deg
peri 212.5234253297238 3.8138e-05 deg
M 281.1281266455071 1.7251e-05 deg
tp 2459427.862685792557
(2021-Aug-01.36268579)
9.5641e-05 TDB
period 1950.639186593587
5.34
2.0434e-05
5.595e-08
d
yr
n .1845548897377942 1.9333e-09 deg/d
Q 3.535457442819099 2.469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      7741 days (21.19 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55481  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:52:30  

Additional Information
 Earth MOID = 1.59708 au 
 Jupiter MOID = 1.6676 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 13.8   n/a MPO359208  

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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