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JPL Small-Body Database Browser
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49836 (1999 XD85)
Classification: Main-belt Asteroid          SPK-ID: 2049836
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109977353944273 3.306e-08  
a 2.378246281718051 1.0132e-08 au
q 2.11426633023713 7.5913e-08 au
i 3.349014566572215 3.551e-06 deg
node 120.0753258825307 8.3476e-05 deg
peri 357.388746085804 8.7416e-05 deg
M 193.2369472892753 2.5777e-05 deg
tp 2459621.056033232609
(2022-Feb-10.55603323)
9.7102e-05 TDB
period 1339.626304102624
3.67
8.5605e-06
2.344e-08
d
yr
n .268731659640823 1.7173e-09 deg/d
Q 2.642226233198972 1.1256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      9169 days (25.10 yr)  
   first obs. used      1994-07-11  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54815  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:17:14  

Additional Information
 Earth MOID = 1.13047 au 
 Jupiter MOID = 2.42319 au 
 T_jup = 3.529 
[ 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 15.4   n/a MPO337656  

49836 (1999 XD85)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XD85 = 1994 NP6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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