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96 Aegle (A868 DA)
Classification: Main-belt Asteroid          SPK-ID: 2000096
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411779454602782 3.7266e-08  
a 3.048360536274346 1.1289e-08 au
q 2.617999258740942 1.1739e-07 au
i 15.98222402401744 4.6899e-06 deg
node 321.4899514134879 1.0808e-05 deg
peri 208.4618429547608 1.7973e-05 deg
M 178.4786350868287 1.6125e-05 deg
tp 2458036.711681606759
(2017-Oct-10.21168161)
8.5925e-05 TDB
period 1944.007440738052
5.32
1.0799e-05
2.957e-08
d
yr
n .1851844763841666 1.0287e-09 deg/d
Q 3.478721813807749 1.2883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2843  
   data-arc span      55771 days (152.69 yr)  
   first obs. used      1868-02-20  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:33:27  

Additional Information
 Earth MOID = 1.63683 au 
 Jupiter MOID = 1.58231 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454888.5 (2009-Feb-26.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337883462946396 3.7002e-08  
q 2.652218760920899 1.1541e-07 au
tp 2454133.924521940840
(2007-Feb-02.42452194)
9.1061e-05 TDB
node 321.7013931836205 1.0789e-05 deg
peri 207.9691659015228 1.8634e-05 deg
i 15.972147826336 4.6867e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2843  
   data-arc span      55771 days (152.69 yr)  
   first obs. used      1868-02-20  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:33:27  

Additional Information
 Jupiter MOID = 1.58231 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.369175914144652E-15 -4.255480464294471E-15 -8.444252509201261E-13 -8.072178217448033E-15 -1.701019609062241E-13 5.657678955495311E-16
q -4.255480464294471E-15 1.331866460586948E-14 2.402636330558823E-12 2.508058596732579E-14 4.965781085477294E-13 -2.81832518492684E-15
tp -8.444252509201261E-13 2.402636330558823E-12 8.292069344709732E-9 1.035262584151655E-11 1.387911836135091E-9 2.534791451421248E-12
node -8.072178217448033E-15 2.508058596732579E-14 1.035262584151655E-11 1.163943510187611E-10 -1.100168003137158E-10 -3.04877724305322E-12
peri -1.701019609062241E-13 4.965781085477294E-13 1.387911836135091E-9 -1.100168003137158E-10 3.472319623907373E-10 3.308679804220973E-12
i 5.657678955495311E-16 -2.81832518492684E-15 2.534791451421248E-12 -3.04877724305322E-12 3.308679804220973E-12 2.196527178964931E-11

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 7.7   n/a MPO492749 IRAS observations used: 14
diameter diameter 177.774 km 1.543 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 13.868 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2005) Minor Planet Bull. 32, 2-3.]
[Pilcher, F. (2017) Minor Planet Bull. 44, 249-251.]
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.775   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.98, mean=13.26, max.=13.55) deg.
U-B UB 0.337   0.017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.98, mean=13.26, max.=13.55) deg.
Tholen spectral type spec_T T   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B T   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

96 Aegle (A868 DA)          Discovered 1868-Feb-17 by Coggia, J. at Marseille
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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