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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 | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2155958272768157 3.806e-08  
a 2.164885294377219 5.9494e-09 au
q 1.69814505837655 8.0861e-08 au
i 2.821048492847076 3.4061e-06 deg
node 135.272149341511 8.7476e-05 deg
peri 222.457770477368 8.8041e-05 deg
M 215.2376934943493 1.1937e-05 deg
tp 2459468.346899616741
(2021-Sep-10.84689962)
3.9734e-05 TDB
period 1163.458139950625
3.19
4.796e-06
1.313e-08
d
yr
n .3094223914366852 1.2755e-09 deg/d
Q 2.631625530377888 7.2321e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      8420 days (23.05 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:36:22  

Additional Information
 Earth MOID = .695348 au 
 Jupiter MOID = 2.81467 au 
 T_jup = 3.662 
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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 15.6   n/a MPO452848  
rotation period rot_per 11.111 h n/a LCDB (Rev. 2019-August); 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

[ show close-approach data ]
Alternate Designations
 1999 XP135 = 1998 HN96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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