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JPL Small-Body Database Browser
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52314 (1991 XD)
Classification: Inner Main-belt Asteroid          SPK-ID: 2052314
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1015517412234138 4.4708e-08  
a 1.937185919609407 5.3777e-09 au
q 1.740461316399592 8.6532e-08 au
i 22.71134913745131 5.8129e-06 deg
node 65.34232799936197 1.0011e-05 deg
peri 11.5667932775241 2.4412e-05 deg
M 59.87532136122154 2.1673e-05 deg
tp 2458436.704962780578
(2018-Nov-14.20496278)
5.9212e-05 TDB
period 984.816649972614
2.70
4.1008e-06
1.123e-08
d
yr
n .3655502778207608 1.5222e-09 deg/d
Q 2.133910522819223 5.9238e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1387  
   data-arc span      14566 days (39.88 yr)  
   first obs. used      1979-06-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4248  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:46:57  

Additional Information
 Earth MOID = .756687 au 
 Jupiter MOID = 3.17213 au 
 T_jup = 3.806 
[ 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 14.2   n/a MPO359095  
rotation period rot_per 7.683 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2008) Minor Planet Bull. 35, 67-71.]
[Warner, Brian D. (2014) Minor Planet Bull. 41, 235-241.]

52314 (1991 XD)          Discovered 1991-Dec-07 by Helin, E. F. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 XD = 1998 HQ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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