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85641 (1998 OR5)
Classification: Main-belt Asteroid          SPK-ID: 2085641
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05582673592906346 4.8013e-08  
a 2.542906827349325 2.0212e-08 au
q 2.400944639406682 1.3122e-07 au
i 14.14059571535889 4.237e-06 deg
node 292.3537725372843 2.9946e-05 deg
peri 183.7659092693153 8.4634e-05 deg
M 329.9060922155879 7.8065e-05 deg
tp 2459124.314122394869
(2020-Oct-01.81412240)
0.0003208 TDB
period 1481.133137692426
4.06
1.7659e-05
4.835e-08
d
yr
n .2430571505279211 2.8978e-09 deg/d
Q 2.684869015291969 2.134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      7888 days (21.60 yr)  
   first obs. used      1998-06-21  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:36:05  

Additional Information
 Earth MOID = 1.41751 au 
 Jupiter MOID = 2.41953 au 
 T_jup = 3.400 
[ 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 15.7   n/a MPO359340  
rotation period rot_per 0.9 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

85641 (1998 OR5)          Discovered 1998-Jul-29 by ODAS at Caussols
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 OR5 = 2002 PN13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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