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120644 (1996 RM3)
Classification: Mars-crossing Asteroid          SPK-ID: 2120644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3694324613900067 4.597e-08  
a 2.612400663063545 1.0354e-08 au
q 1.647295055971094 1.2206e-07 au
i 6.910182923491139 5.7001e-06 deg
node 358.0116941045472 3.1635e-05 deg
peri 34.12829843415235 3.2033e-05 deg
M 246.9197138455158 6.9392e-06 deg
tp 2459684.942796970496
(2022-Apr-15.44279697)
3.1932e-05 TDB
period 1542.261810967859
4.22
9.1685e-06
2.51e-08
d
yr
n .2334234028488841 1.3877e-09 deg/d
Q 3.577506270155995 1.4178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      23919 days (65.49 yr)  
   first obs. used      1954-12-21  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53587  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:29  

Additional Information
 Earth MOID = .656943 au 
 Jupiter MOID = 1.91128 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457256.5 (2015-Aug-22.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3689046599830855 4.5879e-08  
q 1.649197886710787 1.2175e-07 au
tp 2456601.093778061684
(2013-Nov-04.59377806)
2.1382e-05 TDB
node 358.0278916250168 3.1625e-05 deg
peri 34.27591611588357 3.2027e-05 deg
i 6.910147244011782 5.6996e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      23919 days (65.49 yr)  
   first obs. used      1954-12-21  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53587  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:29  

Additional Information
 Jupiter MOID = 1.91128 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.104893186579843E-15 -5.578188509163009E-15 -3.971157646540709E-13 5.980007549837067E-15 -9.06808788601388E-14 -4.088187711170331E-15
q -5.578188509163009E-15 1.482273859534636E-14 1.076026047882738E-12 -1.517972860762626E-14 2.468266273417379E-13 1.097106673825862E-14
tp -3.971157646540709E-13 1.076026047882738E-12 4.571721156162687E-10 -2.850001589604132E-12 1.193652622811992E-10 1.86952236296613E-12
node 5.980007549837067E-15 -1.517972860762626E-14 -2.850001589604132E-12 1.000120463801876E-9 -9.928374672584881E-10 3.895088023320726E-11
peri -9.06808788601388E-14 2.468266273417379E-13 1.193652622811992E-10 -9.928374672584881E-10 1.025740952574396E-9 -3.829845233603942E-11
i -4.088187711170331E-15 1.097106673825862E-14 1.86952236296613E-12 3.895088023320726E-11 -3.829845233603942E-11 3.24850340855379E-11

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 15.18   n/a E2021B55  

120644 (1996 RM3)          Discovered 1996-Sep-11 by NEAT at Haleakala
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1996 RM3 = 2002 CG97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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