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2927 Alamosa (1981 TM)
Classification: Main-belt Asteroid          SPK-ID: 2002927
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695861025054946 3.9312e-08  
a 2.531231552666036 1.0471e-08 au
q 2.101969859110472 9.9653e-08 au
i 17.02189743404494 4.1131e-06 deg
node 150.4716611563715 1.2954e-05 deg
peri 189.5601471610494 1.7004e-05 deg
M 162.5627825750516 1.2396e-05 deg
tp 2457936.275540965310
(2017-Jul-01.77554097)
5.0107e-05 TDB
period 1470.944342024238
4.03
9.1274e-06
2.499e-08
d
yr
n .2447407354003527 1.5187e-09 deg/d
Q 2.960493246221601 1.2247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2354  
   data-arc span      30250 days (82.82 yr)  
   first obs. used      1936-07-16  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3995  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 22:33:05  

Additional Information
 Earth MOID = 1.09314 au 
 Jupiter MOID = 2.4323 au 
 T_jup = 3.370 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1   n/a MPO384777  
rotation period rot_per 4.3832 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Odden, C.; French, J.; Briggs, J. (2012) Minor Planet Bull. 39, 236-238.]

2927 Alamosa (1981 TM)          Discovered 1981-Oct-05 by Thomas, N. G. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 TM = 1936 OA = 1975 EN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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