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97334 (1999 XY256)
Classification: Main-belt Asteroid          SPK-ID: 2097334
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03215571402439016 6.7669e-08  
a 3.008937223335567 2.1694e-08 au
q 2.912182698464646 2.042e-07 au
i 10.45753641033436 7.0161e-06 deg
node 39.43730894545502 2.5637e-05 deg
peri 146.3922531314111 6.3048e-05 deg
M 256.9294526502473 5.8492e-05 deg
tp 2459746.320947394679
(2022-Jun-15.82094739)
0.00031164 TDB
period 1906.41794493736
5.22
2.0618e-05
5.645e-08
d
yr
n .1888358221532732 2.0423e-09 deg/d
Q 3.105691748206488 2.2392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      935  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1999-10-13  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:16:24  

Additional Information
 Earth MOID = 1.91438 au 
 Jupiter MOID = 1.85894 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457215.5 (2015-Jul-12.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03187251633737831 6.8347e-08  
q 2.911750527699443 2.0586e-07 au
tp 2457868.286657508637
(2017-Apr-24.78665751)
0.00030063 TDB
node 39.47506984972181 2.5649e-05 deg
peri 151.8024126177856 6.2066e-05 deg
i 10.45774633202923 7.0201e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      935  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1999-10-13  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:16:24  

Additional Information
 Jupiter MOID = 1.85894 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.671351130755394E-15 -1.399663877321096E-14 -1.281857124835101E-14 -4.112306231796601E-15 3.461192966751316E-14 -2.774569590970506E-15
q -1.399663877321096E-14 4.237783392647699E-14 1.616626238639044E-12 8.864330503861074E-15 1.664188526819815E-13 1.056389068761611E-14
tp -1.281857124835101E-14 1.616626238639044E-12 9.037771754271308E-8 -3.994521659892094E-11 1.701665456222258E-8 1.795448303561711E-11
node -4.112306231796601E-15 8.864330503861074E-15 -3.994521659892094E-11 6.578852224580565E-10 -6.540955749680077E-10 -1.044390352239127E-10
peri 3.461192966751316E-14 1.664188526819815E-13 1.701665456222258E-8 -6.540955749680077E-10 3.852142230713413E-9 1.05944894164241E-10
i -2.774569590970506E-15 1.056389068761611E-14 1.795448303561711E-11 -1.044390352239127E-10 1.05944894164241E-10 4.928171693042097E-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 14.32   n/a E2021B10  
diameter diameter 5.043 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97334 (1999 XY256)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1905-Aug-27 17:36 00:04 Jupiter 1.97318696479783 1.97318556004428 1.97318836955509 4.18082727049019 4.07685960320657 2417085.233511518 3.52355136218755 162.335537065483 20.3436509974423 -66.3521463255496 2625667.09973492 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:16:27 2021-Apr-13 15:16
1952-Apr-09 14:03 00:02 Jupiter 1.8745843550161 1.87458369539204 1.87458501464048 4.02858122907731 3.91481490149034 2434112.085230555 2.04174286232923 134.759984044598 25.3352739729188 -83.6881374087328 2132197.3569465 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:16:27 2021-Apr-13 15:16
1998-Nov-16 11:15 < 00:01 Jupiter 1.91326264504958 1.91326204333538 1.91326324676383 3.76343763095601 3.64390459612145 2451133.968999796 0.594319401386704 109.651844661712 23.59723764063 -85.0496106820709 2126754.42965728 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:16:27 2021-Apr-13 15:16
2036-Apr-06 10:20 < 00:01 Jupiter 1.99101160969184 1.99101113800313 1.99101208138067 4.1332140791256 4.02897161110259 2464789.930548212 0.685263298537512 57.7765589593158 15.6566344250761 -76.4037830360259 2852200.10479489 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:16:27 2021-Apr-13 15:16
2082-Nov-17 17:31 00:02 Jupiter 1.87953498257378 1.87953438012406 1.87953558502402 4.05259498474021 3.93982428461131 2481816.230183696 2.13994195907481 118.872355139665 21.5348222744988 -82.1377265037535 2261832.10766702 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:16:27 2021-Apr-13 15:16
2129-Jun-28 21:42 00:04 Jupiter 1.89450225938092 1.89450126405983 1.89450325471514 3.84491095190884 3.72681502134591 2498840.404418829 3.70764258253401 318.085300312266 23.6140901345276 -82.0446785795052 2094578.31248557 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:16:27 2021-Apr-13 15:16

Alternate Designations
 1999 XY256 = 2001 CY30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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