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190973 (2001 XR77)
Classification: Main-belt Asteroid          SPK-ID: 2190973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02862268055152946 5.9891e-08  
a 2.14942939864686 1.3943e-08 au
q 2.087906967601325 1.3297e-07 au
i 3.305442991952431 6.8836e-06 deg
node 119.6736143559136 7.1391e-05 deg
peri 340.6510379264665 0.00014212 deg
M 344.2147409021042 0.00011668 deg
tp 2459250.969896925429
(2021-Feb-05.46989693)
0.00037282 TDB
period 1151.020884768152
3.15
1.12e-05
3.066e-08
d
yr
n .3127658279393549 3.0433e-09 deg/d
Q 2.210951829692395 1.4342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7001 days (19.17 yr)  
   first obs. used      2001-12-11  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57575  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:52  

Additional Information
 Earth MOID = 1.10493 au 
 Jupiter MOID = 2.8014 au 
 T_jup = 3.704 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456770.5 (2014-Apr-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02811256667115853 5.9813e-08  
q 2.088681024707801 1.3269e-07 au
tp 2456948.557203105004
(2014-Oct-18.05720311)
0.00039115 TDB
node 119.7037116154662 7.144e-05 deg
peri 340.563744733543 0.00014398 deg
i 3.304499814299687 6.8813e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7001 days (19.17 yr)  
   first obs. used      2001-12-11  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57575  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:52  

Additional Information
 Jupiter MOID = 2.8014 au 
 T_jup = 3.704 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.577547793546236E-15 -7.897592596111674E-15 1.455914674141275E-11 -4.261924468640307E-14 4.671236437360803E-12 1.111692555477807E-15
q -7.897592596111674E-15 1.760612330487171E-14 -3.415879896703602E-11 9.365817581148456E-14 -1.095900813434747E-11 -2.649063263610811E-15
tp 1.455914674141275E-11 -3.415879896703602E-11 1.529974068625353E-7 -2.268260036737859E-10 4.890561685571614E-8 9.127568943621049E-12
node -4.261924468640307E-14 9.365817581148456E-14 -2.268260036737859E-10 5.103644616665346E-9 -5.166604390132818E-9 1.456508682958649E-10
peri 4.671236437360803E-12 -1.095900813434747E-11 4.890561685571614E-8 -5.166604390132818E-9 2.072958024101068E-8 -1.425073058377907E-10
i 1.111692555477807E-15 -2.649063263610811E-15 9.127568943621049E-12 1.456508682958649E-10 -1.425073058377907E-10 4.735167684917235E-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 17.59   n/a MPCxxxxx  

190973 (2001 XR77)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2001 XR77 = 2006 HW47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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