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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 110 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1413274224817503 1.7886e-08  
a 3.048459765736118 9.9988e-09 au
q 2.617628804505312 5.9624e-08 au
i 15.98257767565123 6.5675e-07 deg
node 321.4908067283604 5.4869e-06 deg
peri 208.3375384040266 1.168e-05 deg
M 251.9765102506879 1.3961e-05 deg
tp 2459979.857560156046
(2023-Feb-04.35756016)
7.6802e-05 TDB
period 1944.102362768871
5.32
9.5649e-06
2.619e-08
d
yr
n .1851754346346625 9.1105e-10 deg/d
Q 3.479290726966924 1.1412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3146  
   data-arc span      56048 days (153.45 yr)  
   first obs. used      1868-02-20  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:11:53  

Additional Information
 Earth MOID = 1.63718 au 
 Jupiter MOID = 1.58041 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457296.5 (2015-Oct-01.0) TDB
Reference: JPL 110 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391902371226456 1.8023e-08  
q 2.626927759417706 6.0138e-08 au
tp 2458037.836916730275
(2017-Oct-11.33691673)
7.3064e-05 TDB
node 321.6300705277446 5.4893e-06 deg
peri 208.7378080126579 1.1761e-05 deg
i 15.9684799627943 6.5854e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3146  
   data-arc span      56048 days (153.45 yr)  
   first obs. used      1868-02-20  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:11:53  

Additional Information
 Jupiter MOID = 1.58041 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.248156573269461E-16 -1.075751474468678E-15 -4.161091002722064E-13 -1.244383192863348E-14 -2.71804591528022E-14 4.084001392323147E-16
q -1.075751474468678E-15 3.61655242591681E-15 1.516716040312946E-12 3.920549152466263E-14 1.087014119348422E-13 -1.076048092315733E-15
tp -4.161091002722064E-13 1.516716040312946E-12 5.338395069254215E-9 1.082072181914039E-11 7.593154955174304E-10 1.634135548173969E-12
node -1.244383192863348E-14 3.920549152466263E-14 1.082072181914039E-11 3.013208444645984E-11 -2.753775477708394E-11 2.644862200276939E-12
peri -2.71804591528022E-14 1.087014119348422E-13 7.593154955174304E-10 -2.753775477708394E-11 1.383302211867733E-10 -2.396692441473151E-12
i 4.084001392323147E-16 -1.076048092315733E-15 1.634135548173969E-12 2.644862200276939E-12 -2.396692441473151E-12 4.336780083538458E-13

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 7.76   n/a E2021B10 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. 2020-October); 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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