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511684 (2015 BN509)
Classification: Apollo [NEO, PHA]          SPK-ID: 2511684
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 111 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5684122893861202 1.3553e-07  
a 1.006543924387998 3.7762e-09 au
q .434411987958926 1.3488e-07 au
i 4.154003771202003 5.4352e-06 deg
node 120.114041213244 2.5838e-05 deg
peri 143.2015286240205 2.854e-05 deg
M 240.0128270866143 4.3917e-06 deg
tp 2459323.436216898733
(2021-Apr-18.93621690)		 4.0953e-06 TDB
period 368.8480777482063
1.01		 2.0757e-06
5.683e-09		 d
yr
n .9760115931680512 5.4925e-09 deg/d
Q 1.578675860817069 5.9226e-09 au
   Orbit Determination Parameters
   # obs. used (total)      527  
   # delay obs. used      5  
   # Doppler obs. used      2  
   data-arc span      5553 days (15.20 yr)  
   first obs. used      2005-12-03  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:27:22  

Additional Information
 Earth MOID = .0246028 au 
 Jupiter MOID = 3.51316 au 
 T_jup = 5.891 
[ 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 20.82   n/a E2021B69  
diameter diameter 0.315 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 5.6713 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 223-237.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
[Warner, B.D. (2018) Minor Planet Bull. 45, 248-256.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.093   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

511684 (2015 BN509)          Discovered 2015-Jan-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-02-05

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