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JPL Small-Body Database Browser
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85969 (1999 GP2)
Classification: Main-belt Asteroid          SPK-ID: 2085969
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483842025516438 4.4202e-08  
a 3.109593445886907 2.2947e-08 au
q 2.64817890215916 1.3885e-07 au
i 5.810757609172363 5.0556e-06 deg
node 147.6140124916485 4.1601e-05 deg
peri 183.1282964075027 4.4182e-05 deg
M 116.504075400041 1.3739e-05 deg
tp 2457952.324722830935
(2017-Jul-17.82472283)
7.6315e-05 TDB
period 2002.874997974373
5.48
2.217e-05
6.07e-08
d
yr
n .1797416216009933 1.9896e-09 deg/d
Q 3.571007989614654 2.6352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:21:19  

Additional Information
 Earth MOID = 1.63648 au 
 Jupiter MOID = 1.78744 au 
 T_jup = 3.194 
[ 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 14.9   n/a MPO244837  
diameter diameter 5.510 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85969 (1999 GP2)          Discovered 1999-Apr-08 by Bickel, W. at Bergisch Gladbach
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
1932-Aug-04 11:02 00:03 Jupiter 1.83572848646065 1.83572761765201 1.83572935527305 2.36439260423115 2.16044750883629 2426923.959553507 2.70783763157415 169.063341263057 13.7353706995457 -82.3924908626493 2215045.37801942 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 07:21:23 2019-Jul-13 07:21
1942-Aug-21 17:31 00:02 Jupiter 1.81641829320988 1.81641775226322 1.81641883415644 2.34305159196452 2.13477432106429 2430593.229926156 2.45606779438216 56.9633043054522 10.0733689118963 83.5997621120953 2113720.65189643 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 07:21:23 2019-Jul-13 07:21
2003-Nov-15 04:19 < 00:01 Jupiter 1.84589086090191 1.84589037952669 1.84589134227702 2.38845358220475 2.1879150021715 2452958.679589010 0.438587109561221 55.9793712293233 13.3077727349607 -78.2533225070989 2323383.93363544 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 07:21:23 2019-Jul-13 07:21
2013-Dec-04 19:22 < 00:01 Jupiter 1.81862618875513 1.81862575838637 1.81862661912378 2.35444224004385 2.1475337379793 2456631.306619838 0.269784144525178 57.7154735369471 11.0177025294884 85.0726982239873 2894122.89397702 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 07:21:23 2019-Jul-13 07:21
2075-Feb-25 22:21 00:02 Jupiter 1.85532645840969 1.85532583341127 1.85532708340959 2.40630957262407 2.20845072986011 2478994.431494548 1.98524103936437 127.58303076484 13.8975109264673 -82.9713369767754 2297291.24408658 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 07:21:23 2019-Jul-13 07:21
2085-Mar-19 03:20 00:02 Jupiter 1.82068928409569 1.82068861912841 1.82068994906287 2.36911390898974 2.16385284254557 2482668.639146347 2.4259582475236 62.7597893535213 12.6289225597713 84.0768620465711 2022522.9356221 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 07:21:23 2019-Jul-13 07:21
2146-Jun-09 12:13 00:04 Jupiter 1.86236723304683 1.86236610388933 1.86236836221534 2.41452166455057 2.21817394440775 2505030.009012151 4.29961835851727 262.645324230791 13.7453605825607 -82.500476118075 2293159.07418644 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 07:21:23 2019-Jul-13 07:21
2156-Jul-03 00:13 00:05 Jupiter 1.820015725822 1.82001472519591 1.8200167264484 2.3794063207708 2.17503758781786 2508706.508934121 4.81723287982889 92.9525611053511 13.8644727275642 81.7870177619601 1899989.53309052 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 07:21:23 2019-Jul-13 07:21

Alternate Designations
 1999 GP2 = 2001 SA66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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