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137671 (1999 XP35)
Classification: Amor [NEO]          SPK-ID: 2137671
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841897890429298 7.824e-08  
a 1.434674780693709 3.9717e-09 au
q 1.170422335492523 1.1356e-07 au
i 21.1034466662358 1.0537e-05 deg
node 263.4643528077688 1.1298e-05 deg
peri 198.2697869051744 1.8636e-05 deg
M 188.6554964236337 2.0789e-05 deg
tp 2459695.242010866422
(2022-Apr-25.74201087)
3.7302e-05 TDB
period 627.6660276060702
1.72
2.6064e-06
7.136e-09
d
yr
n .57355342517588 2.3817e-09 deg/d
Q 1.698927225894895 4.7033e-09 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      16476 days (45.11 yr)  
   first obs. used      1976-05-02  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41785  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-22 06:23:43  

Additional Information
 Earth MOID = .194267 au 
 Jupiter MOID = 3.49838 au 
 T_jup = 4.590 
[ 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 18.57   n/a MPO637683  

137671 (1999 XP35)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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