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7474 (1992 TC)
Classification: Amor [NEO]          SPK-ID: 2007474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2922689378736609 1.0928e-07  
a 1.5655689138386 1.3573e-08 au
q 1.108001750222971 1.7812e-07 au
i 7.088074535812784 3.8766e-06 deg
node 88.61880373923584 5.964e-05 deg
peri 275.625099083016 7.6174e-05 deg
M 243.8060163209242 9.0365e-05 deg
tp 2459627.433986009612
(2022-Feb-16.93398601)
0.00018259 TDB
period 715.4951773843994
1.96
9.3046e-06
2.547e-08
d
yr
n .5031480454082644 6.5431e-09 deg/d
Q 2.023136077454228 1.754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      11250 days (30.80 yr)  
   first obs. used      1990-08-19  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-27 06:21:38  

Additional Information
 Earth MOID = .167197 au 
 Jupiter MOID = 3.45257 au 
 T_jup = 4.365 
[ 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 18.00   n/a MPO636178  
rotation period rot_per 5.540 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L.; Mottola, S.; et al. (1997) Icarus 130, 275-286.]
SMASSII spectral type spec_B X   n/a Xu et al. (1995) Icarus 115, 1-35  

7474 (1992 TC)          Discovered 1992-Oct-01 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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