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187956 (2001 OA49)
Classification: Main-belt Asteroid          SPK-ID: 2187956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2026473483077425 3.1909e-08  
a 2.414621304103781 9.3523e-09 au
q 1.925304699659766 7.5703e-08 au
i 10.94994848150012 4.9391e-06 deg
node 313.4008914390304 2.5583e-05 deg
peri 328.1206571569496 3.037e-05 deg
M 93.4116667152077 1.6999e-05 deg
tp 2458844.892764158745
(2019-Dec-27.39276416)
6.3907e-05 TDB
period 1370.477686616528
3.75
7.9622e-06
2.18e-08
d
yr
n .2626821315776237 1.5261e-09 deg/d
Q 2.903937908547795 1.1248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      12517 days (34.27 yr)  
   first obs. used      1986-10-04  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:30  

Additional Information
 Earth MOID = .916159 au 
 Jupiter MOID = 2.30748 au 
 T_jup = 3.465 
[ 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 15.59   n/a MPCxxxxx  

187956 (2001 OA49)          Discovered 2001-Jul-16 by NEAT at Haleakala
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

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