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85490 (1997 SE5)
Classification: Amor [NEO]          SPK-ID: 2085490
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 118 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6608080162154782 4.0488e-08  
a 3.760390213144008 7.219e-08 au
q 1.275494216200217 1.5687e-07 au
i 2.576088766173315 5.7427e-06 deg
node 247.7812495974534 0.00014611 deg
peri 93.95748665909363 0.00014621 deg
M 59.88487250400875 1.884e-05 deg
tp 2458557.440119589800
(2019-Mar-14.94011959)
0.00013259 TDB
period 2663.46992618202
7.29
7.6698e-05
2.1e-07
d
yr
n .1351620292240528 3.8922e-09 deg/d
Q 6.2452862100878 1.1989e-07 au
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      13820 days (37.84 yr)  
   first obs. used      1982-04-20  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-24 06:58:13  

Additional Information
 Earth MOID = .272225 au 
 Jupiter MOID = .29821 au 
 T_jup = 2.659 
[ 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 14.6   n/a MPO449531  
rotation period rot_per 9.0583 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Hicks, M.; Buratti, B.J.; Newburn, R.L.; Rabinowitz, D.L. (2000) Icarus 143, 354-359.]
SMASSII spectral type spec_B T   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

85490 (1997 SE5)          Discovered 1997-Sep-28 by NEAT at Haleakala
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 SE5 = 1990 WA16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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