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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130008463461513 3.4025e-08  
a 2.369406973727506 8.871e-09 au
q 2.101661980357824 8.0218e-08 au
i 5.057140144566013 4.2564e-06 deg
node 109.4623662550696 4.2657e-05 deg
peri 83.4927029639738 4.6771e-05 deg
M 83.6000850918504 1.9729e-05 deg
tp 2458691.141438861807
(2019-Jul-26.64143886)
7.2398e-05 TDB
period 1332.164696810888
3.65
7.4814e-06
2.048e-08
d
yr
n .2702368564951583 1.5176e-09 deg/d
Q 2.637151967097187 9.8735e-09 au
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      8622 days (23.61 yr)  
   first obs. used      1996-12-20  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:56  

Additional Information
 Earth MOID = 1.10839 au 
 Jupiter MOID = 2.32941 au 
 T_jup = 3.532 
[ show covariance matrix ]

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 15.8   n/a MPO432398  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1966-Feb-22 08:05 < 00:01 Amphi 0.0211096322406535 0.021103659885951 0.021115604898174 4.31572305828453 4.31572299518316 2439178.836907047 0.440114877715167 323.682842401572 37.6460741648696 23.2797989158793 34325.6239763651 T 18 CATAB v2.0f-lin.ifort 2020-Aug-25 07:56:07 2020-Aug-25 07:56
2027-Aug-24 03:35 < 00:01 Thisb 0.0101337293542759 0.0101321278546635 0.0101353314428845 5.28748454688338 5.2874844196338 2461641.648971168 0.391152723113798 158.797573450431 36.8306253458373 -62.6995768065656 36822.6572431328 T 18 CATAB v2.0f-lin.ifort 2020-Aug-25 07:56:07 2020-Aug-25 07:56
2068-Mar-21 14:35 < 00:01 Amphi 0.0186180937529463 0.0186151781471966 0.0186210128102811 4.27595126900005 4.27595119678876 2476462.107887232 0.440049714095086 438.272702945338 37.3549874722186 71.2257911845732 70589.4707712158 T 18 CATAB v2.0f-lin.ifort 2020-Aug-25 07:56:07 2020-Aug-25 07:56
2170-Apr-17 21:28 < 00:01 Amphi 0.0250415715682949 0.0250356208529377 0.0250475431752091 4.28666008890224 4.28666003534818 2513743.394628559 0.433227718727357 1186.98472188928 37.3512153822999 75.6119964877265 97107.432597354 T 18 CATAB v2.0f-lin.ifort 2020-Aug-25 07:56:07 2020-Aug-25 07:56

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