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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 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 
[ 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 15.6   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2040-Feb-28 01:29 < 00:01 Vesta 0.0318876375317427 0.0318842276095442 0.0318910482796818 5.15097614982383 5.15097542541667 2466212.561659270 0.340017517458503 313.133678041862 41.1887618999285 57.968349350289 98260.7756056971 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 23:30:26 2020-Nov-12 23:30

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