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410777 (2009 FD)
Classification: Apollo [NEO]          SPK-ID: 2410777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 102 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4929809655314607 1.0011e-08  
a 1.163974245734497 6.4483e-09 au
q .5901570982185509 1.2214e-08 au
i 3.12652601982151 2.189e-06 deg
node 9.273256608190325 1.0712e-05 deg
peri 281.5619344302692 1.0636e-05 deg
M 231.4263911712653 9.8456e-06 deg
tp 2459560.318451629052
(2021-Dec-11.81845163)
1.3901e-05 TDB
period 458.6838864032777
1.26
3.8116e-06
1.044e-08
d
yr
n .7848542551230715 6.522e-09 deg/d
Q 1.737791393250443 9.6271e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 8.38747840917812E-14 1.461E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      501  
   # delay obs. used      5  
   # Doppler obs. used      3  
   data-arc span      4283 days (11.73 yr)  
   first obs. used      2009-02-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35042  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 12:51:44  

Additional Information
 Earth MOID = .00199157 au 
 Jupiter MOID = 3.46517 au 
 T_jup = 5.292 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 102 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4929209308094932 1.0089e-08  
q .5898320215839215 1.1573e-08 au
tp 2457267.336632953807
(2015-Sep-01.83663295)
5.1041e-07 TDB
node 9.475839448087873 1.0665e-05 deg
peri 281.3124289719522 1.06e-05 deg
i 3.136377284120897 2.1938e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 8.38747840917812E-14 1.461E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      501  
   # delay obs. used      5  
   # Doppler obs. used      3  
   data-arc span      4283 days (11.73 yr)  
   first obs. used      2009-02-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35042  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 12:51:44  

Additional Information
 Jupiter MOID = 3.46517 au 
 T_jup = 5.292 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
Orbit Covariance (7×7)
  e q tp node peri i A2
e 1.017825393085733E-16 -1.163118880925679E-16 4.814386222602344E-15 -4.730131416810656E-14 4.125792473870269E-14 6.34007455000216E-15 -2.40918676641518E-23
q -1.163118880925679E-16 1.339256306655077E-16 -5.437383090857964E-15 5.423736369357471E-14 -4.709440541225986E-14 -7.209073628526548E-15 4.185135866243597E-23
tp 4.814386222602344E-15 -5.437383090857964E-15 2.605193682394482E-13 -1.473896024515053E-12 1.26259099401216E-12 5.12875409306391E-13 -2.126807365617796E-22
node -4.730131416810656E-14 5.423736369357471E-14 -1.473896024515053E-12 1.137442842808826E-10 -1.125797053815904E-10 -3.568407995003977E-13 3.930726569491949E-21
peri 4.125792473870269E-14 -4.709440541225986E-14 1.26259099401216E-12 -1.125797053815904E-10 1.123625756660977E-10 1.408080081885359E-12 1.844049555907149E-21
i 6.34007455000216E-15 -7.209073628526548E-15 5.12875409306391E-13 -3.568407995003977E-13 1.408080081885359E-12 4.812589571982436E-12 1.105781970249584E-21
A2 -2.40918676641518E-23 4.185135866243597E-23 -2.126807365617796E-22 3.930726569491949E-21 1.844049555907149E-21 1.105781970249584E-21 2.134855193393838E-28

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 22.1   n/a MPO190679  
diameter diameter 0.472 km n/a Mainzer, A. et al. (2013) Astrophys. J.  
rotation period rot_per 4.0 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.01   n/a Mainzer, A. et al. (2013) Astrophys. J.  

410777 (2009 FD)          Discovered 2009-Feb-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

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