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49880 (1999 XP135)
Classification: Main-belt Asteroid          SPK-ID: 2049880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156610744706837 3.6541e-08  
a 2.165581335555443 5.5588e-09 au
q 1.698549737875897 7.7922e-08 au
i 2.821270620601855 3.093e-06 deg
node 135.2693458151569 8.0767e-05 deg
peri 222.3515013692231 8.1283e-05 deg
M 337.8573741491475 1.1358e-05 deg
tp 2459468.095676564970
(2021-Sep-10.59567657)
3.6899e-05 TDB
period 1164.019287369069
3.19
4.4819e-06
1.227e-08
d
yr
n .3092732258875853 1.1908e-09 deg/d
Q 2.632612933234987 6.7576e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      8929 days (24.45 yr)  
   first obs. used      1997-01-14  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:59:10  

Additional Information
 Earth MOID = .694886 au 
 Jupiter MOID = 2.8146 au 
 T_jup = 3.661 
[ 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 15.62   n/a E2021B10  
rotation period rot_per 11.111 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Childers, D.; Church, A. (2007) Minor Planet Bull. 34, 124-125.]

49880 (1999 XP135)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XP135 = 1998 HN96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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