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49641 (1999 JX25)
Classification: Main-belt Asteroid          SPK-ID: 2049641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09731240238148571 3.8468e-08  
a 3.115491378512034 2.1985e-08 au
q 2.812315427870221 1.2494e-07 au
i 14.82153711671611 5.8486e-06 deg
node 43.56381610135736 1.8861e-05 deg
peri 65.55791453576617 4.0019e-05 deg
M 40.52183747969109 3.3349e-05 deg
tp 2458774.413366478986
(2019-Oct-17.91336648)
0.00018615 TDB
period 2008.575946447567
5.50
2.1261e-05
5.821e-08
d
yr
n .1792314602973852 1.8972e-09 deg/d
Q 3.418667329153847 2.4125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      8429 days (23.08 yr)  
   first obs. used      1996-12-05  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:45:02  

Additional Information
 Earth MOID = 1.86663 au 
 Jupiter MOID = 1.87518 au 
 T_jup = 3.159 
[ 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 13.6   n/a MPO459190  
diameter diameter 10.437 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49641 (1999 JX25)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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