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JPL Small-Body Database Browser
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49827 (1999 XM77)
Classification: Main-belt Asteroid          SPK-ID: 2049827
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668848416498903 3.4822e-08  
a 2.283023729501598 8.0086e-09 au
q 1.902021675920782 7.8315e-08 au
i 4.196980650502354 3.6526e-06 deg
node 235.2929860281417 5.5745e-05 deg
peri 69.59807263914217 5.7193e-05 deg
M 350.9027268180253 1.2053e-05 deg
tp 2458632.339981059686
(2019-May-28.83998106)
4.2203e-05 TDB
period 1259.981200102733
3.45
6.6298e-06
1.815e-08
d
yr
n .2857185487931465 1.5034e-09 deg/d
Q 2.664025783082415 9.3451e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      10422 days (28.53 yr)  
   first obs. used      1991-05-18  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:24:14  

Additional Information
 Earth MOID = .891092 au 
 Jupiter MOID = 2.56446 au 
 T_jup = 3.582 
[ 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 15.3   n/a MPO344673  

49827 (1999 XM77)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XM77 = 1991 KO2 = 2001 FB56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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