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49852 (1999 XA96)
Classification: Main-belt Asteroid          SPK-ID: 2049852
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .247844138263148 3.9444e-08  
a 2.408354265536263 9.1033e-09 au
q 1.811457777962051 9.2453e-08 au
i 4.185511428946112 5.1723e-06 deg
node 10.52198756598264 6.0992e-05 deg
peri 86.19718366637456 6.2016e-05 deg
M 63.2818933579702 1.0746e-05 deg
tp 2458360.530554643825
(2018-Aug-30.03055464)
4.0193e-05 TDB
period 1365.145632409284
3.74
7.7402e-06
2.119e-08
d
yr
n .2637081286079729 1.4952e-09 deg/d
Q 3.005250753110475 1.136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      23543 days (64.46 yr)  
   first obs. used      1954-11-23  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49921  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:41:28  

Additional Information
 Earth MOID = .834075 au 
 Jupiter MOID = 2.19729 au 
 T_jup = 3.475 
[ 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 15.2   n/a MPO474380  
diameter diameter 2.165 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.453   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49852 (1999 XA96)          Discovered 1999-Dec-09 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XA96 = 1989 EA12 = 2002 PF54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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