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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156574614937847 3.753e-08  
a 2.165001174247995 5.6733e-09 au
q 1.698102516878609 7.9853e-08 au
i 2.821085366366512 3.0939e-06 deg
node 135.2712327907872 8.1684e-05 deg
peri 222.4340315737846 8.2229e-05 deg
M 277.1568637162894 1.1808e-05 deg
tp 2459468.256278102771
(2021-Sep-10.75627810)
3.8841e-05 TDB
period 1163.551555881292
3.19
4.5736e-06
1.252e-08
d
yr
n .3093975494083976 1.2161e-09 deg/d
Q 2.631899831617381 6.8968e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1286  
   data-arc span      8532 days (23.36 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57371  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:22:02  

Additional Information
 Earth MOID = .693621 au 
 Jupiter MOID = 2.81515 au 
 T_jup = 3.662 
[ 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 15.62   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

[ 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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