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392422 (2010 NB4)
Classification: Main-belt Asteroid          SPK-ID: 2392422
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08822247783815687 8.1888e-08  
a 3.139111462306933 5.3796e-08 au
q 2.862171270892056 2.8348e-07 au
i 11.43811352319056 4.9902e-06 deg
node 117.9425481611353 3.7614e-05 deg
peri 266.0420975718084 5.1827e-05 deg
M 288.3143730639498 4.2819e-05 deg
tp 2459801.018249263877
(2022-Aug-09.51824926)
0.00024855 TDB
period 2031.461200233448
5.56
5.222e-05
1.43e-07
d
yr
n .1772123434888297 4.5554e-09 deg/d
Q 3.416051653721811 5.8542e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5742 days (15.72 yr)  
   first obs. used      2005-09-24  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:34:20  

Additional Information
 Earth MOID = 1.89419 au 
 Jupiter MOID = 2.03076 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458224.5 (2018-Apr-16.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08890277048662007 8.1416e-08  
q 2.855853392895402 2.8073e-07 au
tp 2457781.899124145872
(2017-Jan-28.39912415)
0.00021721 TDB
node 117.940180184162 3.7631e-05 deg
peri 267.5617518876797 5.1904e-05 deg
i 11.43968340302236 4.993e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5742 days (15.72 yr)  
   first obs. used      2005-09-24  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:34:20  

Additional Information
 Jupiter MOID = 2.03076 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.628637593420566E-15 -2.257471061330025E-14 -4.496549119337621E-12 5.214198836008806E-14 -7.05300114313901E-13 4.091489220704436E-15
q -2.257471061330025E-14 7.880849567990914E-14 1.98865244955018E-11 -1.673060906092071E-13 3.202845088677112E-12 -9.334872340448306E-15
tp -4.496549119337621E-12 1.98865244955018E-11 4.718023944787145E-8 1.435533134463949E-11 7.879628303006073E-9 1.589180988339181E-11
node 5.214198836008806E-14 -1.673060906092071E-13 1.435533134463949E-11 1.416119149922773E-9 -1.384460848835025E-9 -2.847444288603647E-11
peri -7.05300114313901E-13 3.202845088677112E-12 7.879628303006073E-9 -1.384460848835025E-9 2.693980555931435E-9 3.075387196490284E-11
i 4.091489220704436E-15 -9.334872340448306E-15 1.589180988339181E-11 -2.847444288603647E-11 3.075387196490284E-11 2.493018903100445E-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 15.71   n/a E2021B25  

392422 (2010 NB4)          Discovered 2005-Sep-24 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17

Alternate Designations
 2010 NB4 = 2008 EC28 = 2011 UO387 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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