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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169850780523197 3.8893e-08  
a 2.530909441013852 9.9747e-09 au
q 2.101032497024121 9.8831e-08 au
i 17.02359215228118 4.0779e-06 deg
node 150.473506443078 1.2735e-05 deg
peri 189.5259018032781 1.6723e-05 deg
M 260.5268653403024 1.2388e-05 deg
tp 2459406.865321381319
(2021-Jul-11.36532138)
5.1202e-05 TDB
period 1470.663573614576
4.03
8.6942e-06
2.38e-08
d
yr
n .2447874595242725 1.4471e-09 deg/d
Q 2.960786385003583 1.1669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2467  
   data-arc span      30518 days (83.55 yr)  
   first obs. used      1936-07-16  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:34:29  

Additional Information
 Earth MOID = 1.0931 au 
 Jupiter MOID = 2.4354 au 
 T_jup = 3.370 
[ show covariance matrix ]

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-August); 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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