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212927 (2008 AL95)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212927
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09497209927105672 5.0633e-08  
a 3.218497726344098 3.4536e-08 au
q 2.912830240774076 1.6333e-07 au
i .3354724522844275 5.9165e-06 deg
node 23.12831770341043 0.0010325 deg
peri 181.9911035398954 0.0010331 deg
M 341.5667181511926 3.3225e-05 deg
tp 2459108.488721546911
(2020-Sep-15.98872155)
0.00019423 TDB
period 2109.008047278518
5.77
3.3946e-05
9.294e-08
d
yr
n .1706963614788228 2.7475e-09 deg/d
Q 3.52416521191412 3.7816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      7079 days (19.38 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:51:18  

Additional Information
 Earth MOID = 1.90875 au 
 Jupiter MOID = 1.43678 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457134.5 (2015-Apr-22.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09537623530289467 5.096e-08  
q 2.911297886860001 1.6423e-07 au
tp 2456992.905007395374
(2014-Dec-01.40500740)
0.00020273 TDB
node 23.14155347587258 0.0010303 deg
peri 181.1098973530766 0.0010308 deg
i .3361752520901407 5.9176e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      7079 days (19.38 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:51:18  

Additional Information
 Jupiter MOID = 1.43678 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.596874632725165E-15 -8.220361629476439E-15 -3.797632151428123E-12 -8.915370239631546E-14 -5.654852897856994E-13 1.688778625592131E-16
q -8.220361629476439E-15 2.697235308279026E-14 9.828109252658199E-12 3.407403298916963E-13 1.349761497633337E-12 -6.100526843277804E-16
tp -3.797632151428123E-12 9.828109252658199E-12 4.1099058593594E-8 2.304902455137431E-10 7.073229091708893E-9 -6.487355734458214E-13
node -8.915370239631546E-14 3.407403298916963E-13 2.304902455137431E-10 1.061416554075049E-6 -1.061353057834012E-6 -2.344767082994425E-9
peri -5.654852897856994E-13 1.349761497633337E-12 7.073229091708893E-9 -1.061353057834012E-6 1.062603197770924E-6 2.344608214119035E-9
i 1.688778625592131E-16 -6.100526843277804E-16 -6.487355734458214E-13 -2.344767082994425E-9 2.344608214119035E-9 3.501824906280323E-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 15.7   n/a MPO422828  

212927 (2008 AL95)          Discovered 2008-Jan-14 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ 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
2001-Aug-15 06:08 < 00:01 Jupiter 1.83779204398182 1.83779130808275 1.83779277988069 2.80783780190174 2.63859249541975 2452136.755736079 0.750815991379836 64.6508686553302 23.0001352563385 89.9377821677293 2002860.09744286 T 14 CATAB v2.0f-lin.ifort 2020-May-21 08:51:40 2020-May-21 08:51
2012-Sep-16 18:05 < 00:01 Jupiter 1.60059220168463 1.60059165148719 1.6005927518816 1.95021465480427 1.6567893020646 2456187.253312602 0.405835880819655 78.5163912811796 21.3402648708362 -89.3744224004259 1921414.83927925 T 14 CATAB v2.0f-lin.ifort 2020-May-21 08:51:40 2020-May-21 08:51
2023-Nov-16 01:24 < 00:01 Jupiter 1.45947030592002 1.45946983693397 1.45947077490517 1.50448745457446 1.05012216841333 2460264.558267037 0.757246692110957 148.582264660831 112.275045596708 26.3848702187292 1737710.12219335 T 14 CATAB v2.0f-lin.ifort 2020-May-21 08:51:40 2020-May-21 08:51
2035-Jan-31 09:40 00:02 Jupiter 1.4405942572142 1.44059362251431 1.44059489191509 1.47066712583925 0.993441954701909 2464358.902613468 1.53777149431612 249.316012081252 128.585847333849 41.201672628861 1677488.49519711 T 14 CATAB v2.0f-lin.ifort 2020-May-21 08:51:40 2020-May-21 08:51
2046-Apr-02 14:48 00:03 Jupiter 1.55242794668184 1.55242651254167 1.55242938082643 1.87124723675161 1.55252802004624 2468438.116965277 2.53649080383755 206.360093859354 31.9712818026779 76.1925144246263 1900834.01036773 T 14 CATAB v2.0f-lin.ifort 2020-May-21 08:51:40 2020-May-21 08:51
2057-May-05 03:44 00:03 Jupiter 1.7720591153462 1.77205681426016 1.77206141643285 2.72845818575199 2.54725511272851 2472488.655672162 3.44410094021003 140.298512236432 24.2280624491888 -63.8940686553283 1428053.09754951 T 14 CATAB v2.0f-lin.ifort 2020-May-21 08:51:40 2020-May-21 08:51
2168-Feb-07 02:44 00:07 Jupiter 1.87176244862929 1.87175797504427 1.87176692220823 2.85441963356711 2.69121868501454 2512942.613599125 7.09966311902744 154.565382366131 55.8474500734001 -17.7966757241239 426113.746655394 T 14 CATAB v2.0f-lin.ifort 2020-May-21 08:51:40 2020-May-21 08:51
2179-Mar-11 21:12 00:07 Jupiter 1.63011415027231 1.63011039778639 1.63011790274479 2.00171944224309 1.72269035881977 2516993.383362915 7.18392686266897 105.861613651494 25.6094886699492 -80.9035823683346 441665.042341382 T 14 CATAB v2.0f-lin.ifort 2020-May-21 08:51:40 2020-May-21 08:51
2190-May-09 23:23 00:07 Jupiter 1.47570031514488 1.47569833773195 1.47570229254927 1.5351064529536 1.09935970255236 2521070.474390068 7.18233298328795 319.002498836283 117.669903801944 -18.999604015491 711330.132954687 T 14 CATAB v2.0f-lin.ifort 2020-May-21 08:51:40 2020-May-21 08:51

Alternate Designations
 2008 AL95 = 2006 UR201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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