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12970 (4012 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2012970
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0644616230137416 3.5833e-08  
a 3.050002209080233 1.7553e-08 au
q 2.853394116487424 1.0861e-07 au
i 10.63198364985939 4.4268e-06 deg
node 40.78237953610122 2.0739e-05 deg
peri 278.659950640814 3.9302e-05 deg
M 52.38061003352662 3.3034e-05 deg
tp 2458717.415096994255
(2019-Aug-21.91509699)		 0.00017855 TDB
period 1945.578049145277
5.33		 1.6795e-05
4.598e-08		 d
yr
n .1850349823581498 1.5973e-09 deg/d
Q 3.246610301673042 1.8684e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1695  
   data-arc span      15746 days (43.11 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48856  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:51:14  

Additional Information
 Earth MOID = 1.8667 au 
 Jupiter MOID = 1.96985 au 
 T_jup = 3.208 
[ 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 13.4   n/a MPO358756  

12970 (4012 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ 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
1940-Oct-19 17:23 00:02 Jupiter 1.98659597070908 1.98659559521541 1.98659634620286 4.62750515963459 4.53443121316398 2429922.224242778 1.87458411913214 64.717070904335 15.1279133879522 -82.9126973731877 3772475.45788593 T 32 CATAB v2.0f-lin.ifort 2020-Dec-18 02:51:18 2020-Dec-18 02:51

Alternate Designations
 4012 T-3 = 1991 GF10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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