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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2155958226117999 3.7593e-08  
a 2.164885293504232 5.8159e-09 au
q 1.698145067790999 7.9984e-08 au
i 2.821049206869048 3.1413e-06 deg
node 135.2721296668333 8.2632e-05 deg
peri 222.45779272 8.3178e-05 deg
M 215.2376922375119 1.1804e-05 deg
tp 2459468.346903395635
(2021-Sep-10.84690340)
3.9372e-05 TDB
period 1163.458139246881
3.19
4.6884e-06
1.284e-08
d
yr
n .3094223916238464 1.2469e-09 deg/d
Q 2.631625519217465 7.0698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1274  
   data-arc span      8532 days (23.36 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:30:22  

Additional Information
 Earth MOID = .695348 au 
 Jupiter MOID = 2.81467 au 
 T_jup = 3.662 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456852.5 (2014-Jul-14.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2158129680236807 3.7592e-08  
q 1.697861506813507 8.0018e-08 au
tp 2457139.730214645939
(2015-Apr-27.23021465)
3.3715e-05 TDB
node 135.3142138011728 8.2565e-05 deg
peri 222.17514797627 8.3109e-05 deg
i 2.821496116707638 3.1434e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1274  
   data-arc span      8532 days (23.36 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:30:22  

Additional Information
 Jupiter MOID = 2.81467 au 
 T_jup = 3.662 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.413168781708576E-15 -3.003651984773118E-15 6.159074138544658E-13 -1.747245661901649E-14 1.581956355975708E-13 -4.490181428721269E-16
q -3.003651984773118E-15 6.402858233557975E-15 -1.256030318442698E-12 3.625889636573629E-14 -3.222437510295534E-13 8.909519622611742E-16
tp 6.159074138544658E-13 -1.256030318442698E-12 1.136695435013675E-9 -2.69477629677816E-11 3.389062568563475E-10 -1.156365952858786E-12
node -1.747245661901649E-14 3.625889636573629E-14 -2.69477629677816E-11 6.816906856275948E-9 -6.815373101478469E-9 2.549591051491683E-11
peri 1.581956355975708E-13 -3.222437510295534E-13 3.389062568563475E-10 -6.815373101478469E-9 6.907036847348646E-9 -2.578325045040621E-11
i -4.490181428721269E-16 8.909519622611742E-16 -1.156365952858786E-12 2.549591051491683E-11 -2.578325045040621E-11 9.880774929733226E-12

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. 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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