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312275 (2008 AN108)
Classification: Main-belt Asteroid          SPK-ID: 2312275
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1971996987878246 8.6694e-08  
a 2.596588897247126 1.9577e-08 au
q 2.084542348834183 2.2616e-07 au
i 6.342378890606394 5.4038e-06 deg
node 287.251087784504 7.3685e-05 deg
peri 108.6252882689423 7.5805e-05 deg
M 94.52997346280453 1.4611e-05 deg
tp 2458799.198987274934
(2019-Nov-11.69898727)
6.2067e-05 TDB
period 1528.28102335043
4.18
1.7284e-05
4.732e-08
d
yr
n .2355587712597365 2.664e-09 deg/d
Q 3.108635445660069 2.3438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      6704 days (18.35 yr)  
   first obs. used      2002-08-16  
   last obs. used      2020-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 15:20:28  

Additional Information
 Earth MOID = 1.10108 au 
 Jupiter MOID = 2.3597 au 
 T_jup = 3.381 
[ 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 16.8   n/a MPO503318  

312275 (2008 AN108)          Discovered 2008-Jan-15 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
2017-Mar-27 15:18 < 00:01 Thisb 0.0497478232559677 0.0497449080436189 0.0497507384683829 4.30514747354307 4.30514744170749 2457840.137406486 0.984818526896792 207.942132193621 145.27406299666 -88.9051828678425 51198.603328233 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 15:20:29 2021-Feb-24 15:20
2069-Jul-04 23:11 00:01 Thisb 0.0098153973301066 0.00977221525587664 0.00985859932781418 4.16275561640697 4.16275544953401 2476932.465875431 1.09560177012518 2262.80835549418 80.0254493443502 17.9604915150661 5687.27081960329 T 14 CATAB v2.0f-lin.ifort 2021-Feb-24 15:20:29 2021-Feb-24 15:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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