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227102 (2005 NH20)
Classification: Main-belt Asteroid          SPK-ID: 2227102
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558722384649032 4.7347e-08  
a 2.297493995189919 1.0194e-08 au
q 1.939378463299993 1.1008e-07 au
i 5.342730638219759 3.9656e-06 deg
node 237.4100633818757 5.3616e-05 deg
peri 81.74332118694893 5.6183e-05 deg
M 139.2258386319604 1.4046e-05 deg
tp 2458708.576753612188
(2019-Aug-13.07675361)
4.9896e-05 TDB
period 1271.979184609195
3.48
8.4655e-06
2.318e-08
d
yr
n .2830234994062477 1.8836e-09 deg/d
Q 2.655609527079845 1.1783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1995-11-16  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:26  

Additional Information
 Earth MOID = .933173 au 
 Jupiter MOID = 2.63635 au 
 T_jup = 3.572 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457612.5 (2016-Aug-12.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564489133360532 4.7193e-08  
q 1.937734549297634 1.0978e-07 au
tp 2457437.599168620803
(2016-Feb-19.09916862)
5.1397e-05 TDB
node 237.4187035236729 5.3615e-05 deg
peri 81.88970673625143 5.6172e-05 deg
i 5.342875804115232 3.9658e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1995-11-16  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:26  

Additional Information
 Jupiter MOID = 2.63635 au 
 T_jup = 3.572 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.227178533555062E-15 -5.165183240142584E-15 -3.762997298404205E-13 5.43647463015887E-15 -1.589639196447555E-13 -1.05207778576648E-14
q -5.165183240142584E-15 1.205231974404822E-14 7.396237069755949E-13 -1.185181864651596E-14 3.265248919875476E-13 2.463231906932448E-14
tp -3.762997298404205E-13 7.396237069755949E-13 2.641633166651903E-9 8.001086103929177E-12 8.833151884637406E-10 2.124581175862217E-12
node 5.43647463015887E-15 -1.185181864651596E-14 8.001086103929177E-12 2.87458183368208E-9 -2.859231759288716E-9 2.318255329645674E-11
peri -1.589639196447555E-13 3.265248919875476E-13 8.833151884637406E-10 -2.859231759288716E-9 3.155248137501246E-9 -2.226085845621136E-11
i -1.05207778576648E-14 2.463231906932448E-14 2.124581175862217E-12 2.318255329645674E-11 -2.226085845621136E-11 1.572724101946585E-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 16.96   n/a MPCxxxxx  

227102 (2005 NH20)          Discovered 2005-Jul-04 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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