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27973 (1997 TR25)
Classification: Main-belt Asteroid          SPK-ID: 2027973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2824218769286168 3.3707e-08  
a 2.562150301440071 1.0106e-08 au
q 1.838543004334145 8.7759e-08 au
i 7.048855559444805 4.4466e-06 deg
node 33.99527121447674 3.4153e-05 deg
peri 13.4713818656043 3.593e-05 deg
M 88.18974874068455 1.3435e-05 deg
tp 2458233.538133907743
(2018-Apr-25.03813391)
5.4141e-05 TDB
period 1497.977641161689
4.10
8.8631e-06
2.427e-08
d
yr
n .2403240142628686 1.4219e-09 deg/d
Q 3.285757598545997 1.2961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1966  
   data-arc span      14673 days (40.17 yr)  
   first obs. used      1979-03-08  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:29:19  

Additional Information
 Earth MOID = .848552 au 
 Jupiter MOID = 2.12797 au 
 T_jup = 3.367 
[ 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 13.2   n/a MPO431821  
rotation period rot_per 6.497 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Sheridan, E.E. (2002) Minor Planet Bull. 29, 32-33.]

27973 (1997 TR25)          Discovered 1997-Oct-12 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 TR25 = 1999 FC29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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