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49429 (1998 XZ95)
Classification: Main-belt Asteroid          SPK-ID: 2049429
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3399567732322973 4.9462e-08  
a 2.583980639124232 1.7796e-08 au
q 1.705538918952829 1.3644e-07 au
i 4.140085286110515 5.012e-06 deg
node 129.880982981425 5.0992e-05 deg
peri 243.2162622774526 5.1685e-05 deg
M 12.28554498871916 1.3731e-05 deg
tp 2458548.724507857437
(2019-Mar-06.22450786)
5.74e-05 TDB
period 1517.163234389481
4.15
1.5673e-05
4.291e-08
d
yr
n .237284948540733 2.4513e-09 deg/d
Q 3.462422359295635 2.3846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      13906 days (38.07 yr)  
   first obs. used      1981-09-28  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60038  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:41:14  

Additional Information
 Earth MOID = .710075 au 
 Jupiter MOID = 2.00551 au 
 T_jup = 3.336 
[ 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 15.0   n/a MPO417159  
diameter diameter 2.101 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.400   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

49429 (1998 XZ95)          Discovered 1998-Dec-02 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XZ95 = 1981 SX6 = 1985 QF4 = 1996 FW14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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