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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 126 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6609881575523592 3.9183e-08  
a 3.761454070602975 7.0829e-08 au
q 1.275177474757293 1.5281e-07 au
i 2.575173489547332 5.1129e-06 deg
node 247.7374398775047 0.00013848 deg
peri 94.01768133745533 0.00013845 deg
M 113.327567341235 1.9212e-05 deg
tp 2458557.687029422853
(2019-Mar-15.18702942)
0.00012864 TDB
period 2664.600295341363
7.30
7.5262e-05
2.061e-07
d
yr
n .1351046911724073 3.8161e-09 deg/d
Q 6.247730666448657 1.1765e-07 au
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      14213 days (38.91 yr)  
   first obs. used      1982-04-20  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55463  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:17  

Additional Information
 Earth MOID = .271122 au 
 Jupiter MOID = .298169 au 
 T_jup = 2.658 
[ 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 14.69   n/a MPCxxxxx  
rotation period rot_per 9.0583 h n/a LCDB (Rev. 2020-October); 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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