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JPL Small-Body Database Browser
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376836 (2001 QD61)
Classification: Mars-crossing Asteroid          SPK-ID: 2376836
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3717971102165217 6.973e-08  
a 2.607245734460311 2.0726e-08 au
q 1.637879304763615 1.7436e-07 au
i 29.40831468037466 1.0339e-05 deg
node 134.8513038765397 1.3041e-05 deg
peri 253.6788003304174 1.9239e-05 deg
M 148.7461504249663 1.6042e-05 deg
tp 2458365.147695571039
(2018-Sep-03.64769557)
6.4127e-05 TDB
period 1537.69915349712
4.21
1.8335e-05
5.02e-08
d
yr
n .2341160162449646 2.7916e-09 deg/d
Q 3.576612164157008 2.8431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6400 days (17.52 yr)  
   first obs. used      2001-08-05  
   last obs. used      2019-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:56:41  

Additional Information
 Earth MOID = .824891 au 
 Jupiter MOID = 2.51761 au 
 T_jup = 3.141 
[ 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 16.5   n/a MPO471860  

376836 (2001 QD61)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2001 QD61 = 2005 NF61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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