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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130008531125257 3.2652e-08  
a 2.369406972322552 8.6492e-09 au
q 2.101661963079337 7.6411e-08 au
i 5.057140475678359 4.1897e-06 deg
node 109.4623646353199 4.0034e-05 deg
peri 83.49270626525499 4.428e-05 deg
M 83.60008442566655 1.9704e-05 deg
tp 2458691.141441602146
(2019-Jul-26.64144160)
7.2287e-05 TDB
period 1332.164695626016
3.65
7.2943e-06
1.997e-08
d
yr
n .2702368567355161 1.4797e-09 deg/d
Q 2.637151981565768 9.6266e-09 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      8702 days (23.82 yr)  
   first obs. used      1996-12-20  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:01  

Additional Information
 Earth MOID = 1.10839 au 
 Jupiter MOID = 2.32941 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457218.5 (2015-Jul-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11319731652546 3.2632e-08  
q 2.100751351391176 7.6412e-08 au
tp 2457358.318434815493
(2015-Dec-01.81843482)
6.9788e-05 TDB
node 109.4895396566484 4.004e-05 deg
peri 83.07293874393828 4.4278e-05 deg
i 5.057055568860219 4.1896e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      8702 days (23.82 yr)  
   first obs. used      1996-12-20  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:01  

Additional Information
 Jupiter MOID = 2.32941 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.064856500096797E-15 -2.481146476255995E-15 -3.168543844167556E-14 -3.213568449584108E-15 -2.332259872302678E-14 4.888907074909517E-17
q -2.481146476255995E-15 5.838724921815977E-15 2.308116449095534E-13 6.812007939711488E-15 9.45599284044276E-14 1.739499625313911E-17
tp -3.168543844167556E-14 2.308116449095534E-13 4.870380745924066E-9 -1.135797009929533E-11 1.328672459111919E-9 -6.009332881225715E-13
node -3.213568449584108E-15 6.812007939711488E-15 -1.135797009929533E-11 1.603184169187467E-9 -1.599685772373332E-9 1.240673095866805E-11
peri -2.332259872302678E-14 9.45599284044276E-14 1.328672459111919E-9 -1.599685772373332E-9 1.960574017207299E-9 -1.251760146492242E-11
i 4.888907074909517E-17 1.739499625313911E-17 -6.009332881225715E-13 1.240673095866805E-11 -1.251760146492242E-11 1.755312553946194E-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

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