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175890 (1999 XB5)
Classification: Main-belt Asteroid          SPK-ID: 2175890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796675185356902 5.8236e-08  
a 2.408060042265083 1.2402e-08 au
q 1.975409869986366 1.3627e-07 au
i 3.338738425031526 4.2172e-06 deg
node 112.2791802539328 7.5818e-05 deg
peri 285.0162900615019 7.6762e-05 deg
M 244.7391884614788 1.472e-05 deg
tp 2459637.497111379875
(2022-Feb-26.99711138)
5.8139e-05 TDB
period 1364.895474852504
3.74
1.0544e-05
2.887e-08
d
yr
n .2637564609399141 2.0375e-09 deg/d
Q 2.8407102145438 1.463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      7541 days (20.65 yr)  
   first obs. used      1999-10-30  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:15  

Additional Information
 Earth MOID = .984857 au 
 Jupiter MOID = 2.58091 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457363.5 (2015-Dec-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787882775388154 5.8041e-08  
q 1.978565335465899 1.3546e-07 au
tp 2456908.784567463175
(2014-Sep-08.28456746)
4.6095e-05 TDB
node 112.3134184916296 7.5791e-05 deg
peri 285.2761451688758 7.6746e-05 deg
i 3.33851322190546 4.2168e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      7541 days (20.65 yr)  
   first obs. used      1999-10-30  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:15  

Additional Information
 Jupiter MOID = 2.58091 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.368747667010173E-15 -7.843649313604456E-15 9.39291357290167E-13 -2.671146308596908E-14 1.282409180907906E-13 5.043641013274747E-17
q -7.843649313604456E-15 1.834908359075358E-14 -2.068820511574844E-12 6.175070707239156E-14 -2.623514135567943E-13 -8.599905221601736E-17
tp 9.39291357290167E-13 -2.068820511574844E-12 2.124750944286772E-9 -2.009460383112789E-11 5.672733862332759E-10 -3.226944753600299E-13
node -2.671146308596908E-14 6.175070707239156E-14 -2.009460383112789E-11 5.744208827224687E-9 -5.738557137477085E-9 -5.251433193895218E-11
peri 1.282409180907906E-13 -2.623514135567943E-13 5.672733862332759E-10 -5.738557137477085E-9 5.889986154983259E-9 5.235201752943559E-11
i 5.043641013274747E-17 -8.599905221601736E-17 -3.226944753600299E-13 -5.251433193895218E-11 5.235201752943559E-11 1.778165485485413E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.48   n/a MPCxxxxx  

175890 (1999 XB5)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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