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160941 (2002 AM9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2160941
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05287446271904294 4.7568e-08  
a 3.223075223844664 3.3269e-08 au
q 3.052656853080819 1.4912e-07 au
i 14.54225494048319 6.4124e-06 deg
node 302.1394490294899 2.5526e-05 deg
peri 156.8025998160689 7.788e-05 deg
M 119.1592999183426 7.5373e-05 deg
tp 2458500.932650604404
(2019-Jan-17.43265060)
0.00043811 TDB
period 2113.50894101424
5.79
3.2723e-05
8.959e-08
d
yr
n .1703328493265051 2.6373e-09 deg/d
Q 3.39349359460851 3.5028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      2000-12-01  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:27  

Additional Information
 Earth MOID = 2.07393 au 
 Jupiter MOID = 1.72527 au 
 T_jup = 3.136 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457201.5 (2015-Jun-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05412617827763498 4.798e-08  
q 3.049077807477959 1.504e-07 au
tp 2456391.783741188939
(2013-Apr-09.28374119)
0.0004146 TDB
node 302.1624021387047 2.5523e-05 deg
peri 157.8654709317849 7.5967e-05 deg
i 14.54307556023812 6.4123e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      2000-12-01  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:27  

Additional Information
 Jupiter MOID = 1.72527 au 
 T_jup = 3.136 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.302084031965786E-15 -7.066855613914085E-15 6.391505820991324E-12 -1.855602098891028E-15 1.120026645178709E-12 7.53980877031302E-16
q -7.066855613914085E-15 2.261991088007528E-14 -1.640659555876411E-11 7.445342283732345E-15 -2.831911585254051E-12 -1.39903290925284E-15
tp 6.391505820991324E-12 -1.640659555876411E-11 1.718965380503618E-7 -6.043462166446669E-11 2.972663115961783E-8 3.542965517792103E-11
node -1.855602098891028E-15 7.445342283732345E-15 -6.043462166446669E-11 6.514367699319156E-10 -6.403000295790507E-10 6.572822094461434E-11
peri 1.120026645178709E-12 -2.831911585254051E-12 2.972663115961783E-8 -6.403000295790507E-10 5.771015355317846E-9 -5.758931700374512E-11
i 7.53980877031302E-16 -1.39903290925284E-15 3.542965517792103E-11 6.572822094461434E-11 -5.758931700374512E-11 4.11175128806548E-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 14.72   n/a E2021B55  
diameter diameter 5.546 km 0.584 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160941 (2002 AM9)          Discovered 2002-Jan-11 by Yeung, W. K. Y. at Desert Eagle
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ 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
2057-Nov-23 00:38 00:02 Jupiter 1.92276879782288 1.92276796616613 1.92276962949165 4.00837559638566 3.89692575559777 2472690.526305052 2.33324224446161 479.378997430269 34.6250475711922 86.3407394097758 2407105.1457246 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:27 2021-Apr-13 20:03
2069-Apr-16 15:22 00:03 Jupiter 1.84522034632785 1.84521959455394 1.84522109810365 4.47492029714648 4.37113712050519 2476853.140433765 2.7754323300785 271.768237821786 36.8658328535349 86.4734547186494 2128850.73835316 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:27 2021-Apr-13 20:03
2080-Sep-25 04:01 00:03 Jupiter 1.81104412359138 1.81104356223782 1.81104468494637 4.78953631109316 4.69086998280174 2481032.667369261 3.29671551921524 284.197671980049 27.0258801795196 88.610289592513 2257780.79881479 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:27 2021-Apr-13 20:03
2092-Mar-12 04:19 00:04 Jupiter 1.82526575206378 1.82526485330551 1.82526665084965 4.99596707964524 4.90220137917835 2485218.680143088 3.93401017363519 410.034656387812 19.9868343441597 84.7096481364349 2771378.13181183 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:27 2021-Apr-13 20:03
2103-Aug-27 07:22 00:05 Jupiter 1.891383177058 1.89138136319626 1.89138499097275 5.12002474955432 5.03179777032031 2489402.806939720 4.69215902580426 524.263975471892 18.0069836777352 80.3834203965517 3242782.47800804 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:27 2021-Apr-13 20:03
2115-Feb-02 11:55 00:06 Jupiter 1.99748531152815 1.99748244892506 1.99748817419517 5.15644892873526 5.07354675783096 2493579.996857213 5.55905868721474 590.988151156044 17.8794234156157 76.0914223395164 3670512.24833318 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 20:03:27 2021-Apr-13 20:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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