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85029 (2755 P-L)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085029
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430345955106916 4.934e-08  
a 3.229298485353089 2.1396e-08 au
q 2.76739708271732 1.6151e-07 au
i 5.4562430446486 4.7162e-06 deg
node 29.48887667020782 5.3764e-05 deg
peri 342.6385946662721 5.5983e-05 deg
M 146.6264357228208 1.7553e-05 deg
tp 2458533.182614042988
(2019-Feb-18.68261404)
9.9553e-05 TDB
period 2119.633184919277
5.80
2.1066e-05
5.768e-08
d
yr
n .1698407076098452 1.6879e-09 deg/d
Q 3.691199887988857 2.4456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      22139 days (60.61 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:50:50  

Additional Information
 Earth MOID = 1.76762 au 
 Jupiter MOID = 1.77392 au 
 T_jup = 3.164 
[ 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 15.02   n/a MPCxxxxx  
rotation period rot_per 136.219 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

85029 (2755 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2755 P-L = 2001 ST61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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