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85425 (1997 AM3)
Classification: Main-belt Asteroid          SPK-ID: 2085425
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135349223488583 3.1633e-08  
a 2.368412497317772 8.4998e-09 au
q 2.099514968344733 7.4453e-08 au
i 5.057008478919514 4.1768e-06 deg
node 109.4610617040898 3.9169e-05 deg
peri 83.35335588241148 4.335e-05 deg
M 137.7644156174183 1.924e-05 deg
tp 2458691.029553405678
(2019-Jul-26.52955341)
7.0198e-05 TDB
period 1331.326089919308
3.64
7.1668e-06
1.962e-08
d
yr
n .2704070796222582 1.4557e-09 deg/d
Q 2.637310026290811 9.4648e-09 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      8702 days (23.82 yr)  
   first obs. used      1996-12-20  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:58  

Additional Information
 Earth MOID = 1.10561 au 
 Jupiter MOID = 2.32816 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457253.5 (2015-Aug-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113153302042021 3.1613e-08  
q 2.100819057529186 7.4387e-08 au
tp 2457358.266004461403
(2015-Dec-01.76600446)
6.8368e-05 TDB
node 109.4877211970668 3.9163e-05 deg
peri 83.05527060681715 4.3375e-05 deg
i 5.056878507179974 4.1766e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      8702 days (23.82 yr)  
   first obs. used      1996-12-20  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:58  

Additional Information
 Jupiter MOID = 2.32816 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.993884699910535E-16 -2.339792974346666E-15 -1.460499697752533E-13 -2.31954821202379E-15 -4.988579587697784E-14 3.047529598986271E-17
q -2.339792974346666E-15 5.533423271737753E-15 4.783632836382122E-13 4.83320054299768E-15 1.52104137939805E-13 5.283445524308537E-17
tp -1.460499697752533E-13 4.783632836382122E-13 4.674190884113502E-9 -1.021979038004122E-11 1.283612396596521E-9 -6.137841147316182E-13
node -2.31954821202379E-15 4.83320054299768E-15 -1.021979038004122E-11 1.533763661060847E-9 -1.530299223852704E-9 1.51432227495617E-11
peri -4.988579587697784E-14 1.52104137939805E-13 1.283612396596521E-9 -1.530299223852704E-9 1.881392862140017E-9 -1.524514030977366E-11
i 3.047529598986271E-17 5.283445524308537E-17 -6.137841147316182E-13 1.51432227495617E-11 -1.524514030977366E-11 1.744411210952373E-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 15.88   n/a E2021B10  

85425 (1997 AM3)          Discovered 1997-Jan-03 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 AM3 = 2001 FD63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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