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21277 (1996 TO5)
Classification: Amor [NEO]          SPK-ID: 2021277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 174 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5205350178723372 3.4439e-08  
a 2.376786449343685 9.3662e-09 au
q 1.139585872455841 8.3631e-08 au
i 20.952125007463 6.2409e-06 deg
node 167.3804990856381 1.202e-05 deg
peri 250.1460081834928 1.4239e-05 deg
M 243.2497832585304 9.6153e-06 deg
tp 2459830.549105708204
(2022-Sep-08.04910571)
3.7578e-05 TDB
period 1338.393044708162
3.66
7.9113e-06
2.166e-08
d
yr
n .2689792818510188 1.5899e-09 deg/d
Q 3.613987026231529 1.4242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      11483 days (31.44 yr)  
   first obs. used      1990-02-04  
   last obs. used      2021-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-15 05:50:50  

Additional Information
 Earth MOID = .312564 au 
 Jupiter MOID = 2.26873 au 
 T_jup = 3.267 
[ 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 16.09   n/a E2021B10  
rotation period rot_per 7.70 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 144-152.]

21277 (1996 TO5)          Discovered 1996-Oct-09 by JPL/GEODSS NEAT at Haleakala
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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