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49886 (1999 XX151)
Classification: Main-belt Asteroid          SPK-ID: 2049886
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521590508531532 3.1067e-08  
a 2.372095603775494 7.1117e-09 au
q 2.011159788172078 7.2723e-08 au
i 1.591897469165339 3.1032e-06 deg
node 318.4518789495979 0.00011112 deg
peri 202.5183454481195 0.00011158 deg
M 168.4687655129659 1.1708e-05 deg
tp 2458376.027090882277
(2018-Sep-14.52709088)
4.1922e-05 TDB
period 1334.432804786463
3.65
6.0011e-06
1.643e-08
d
yr
n .2697775404716669 1.2132e-09 deg/d
Q 2.733031419378911 8.1938e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2149  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:51:09  

Additional Information
 Earth MOID = 1.01973 au 
 Jupiter MOID = 2.24908 au 
 T_jup = 3.528 
[ 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 14.3   n/a MPO296503  

49886 (1999 XX151)          Discovered 1999-Dec-07 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XX151 = 1998 QV48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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