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216625 (2002 XA77)
Classification: Main-belt Asteroid          SPK-ID: 2216625
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647509750255269 4.4382e-08  
a 2.463060625515268 1.8066e-08 au
q 2.057268985914644 1.1667e-07 au
i 12.25475683836412 6.1318e-06 deg
node 277.8538962976775 2.5085e-05 deg
peri 120.3001008419791 3.5497e-05 deg
M 267.9252105384991 2.8165e-05 deg
tp 2459561.618146829422
(2021-Dec-13.11814683)
0.0001132 TDB
period 1411.92321610412
3.87
1.5534e-05
4.253e-08
d
yr
n .2549713723054557 2.8053e-09 deg/d
Q 2.868852265115893 2.1043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      7890 days (21.60 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53047  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:36  

Additional Information
 Earth MOID = 1.0953 au 
 Jupiter MOID = 2.57345 au 
 T_jup = 3.439 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.38   n/a E2021B55  

216625 (2002 XA77)          Discovered 2002-Dec-11 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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