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215156 (1999 XX215)
Classification: Main-belt Asteroid          SPK-ID: 2215156
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307175221550817 5.2106e-08  
a 2.574092129705257 2.0147e-08 au
q 2.237613184711288 1.385e-07 au
i 14.31690483849366 4.7055e-06 deg
node 103.4501743615559 2.134e-05 deg
peri 96.43453460660223 2.7279e-05 deg
M 261.4418417273429 2.0196e-05 deg
tp 2459413.475830841469
(2021-Jul-17.97583084)
8.6288e-05 TDB
period 1508.462634738322
4.13
1.771e-05
4.849e-08
d
yr
n .2386535746458516 2.8019e-09 deg/d
Q 2.910571074699225 2.2781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      7344 days (20.11 yr)  
   first obs. used      1999-12-13  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:20:05  

Additional Information
 Earth MOID = 1.28745 au 
 Jupiter MOID = 2.21762 au 
 T_jup = 3.373 
[ 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 MPO454544  

215156 (1999 XX215)          Discovered 1999-Dec-13 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 1999 XX215 = 2005 JM71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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