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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487975484127712 4.3781e-08  
a 3.108627630331855 2.135e-08 au
q 2.646071460010273 1.3632e-07 au
i 5.812285054582994 4.9651e-06 deg
node 147.608977346716 3.7064e-05 deg
peri 183.1460830665211 3.9102e-05 deg
M 188.3798929539079 1.2796e-05 deg
tp 2459954.870812502315
(2023-Jan-10.37081250)
7.4686e-05 TDB
period 2001.941954322169
5.48
2.0624e-05
5.647e-08
d
yr
n .1798253936497831 1.8526e-09 deg/d
Q 3.571183800653438 2.4527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      7991 days (21.88 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54148  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:42:04  

Additional Information
 Earth MOID = 1.63529 au 
 Jupiter MOID = 1.79048 au 
 T_jup = 3.195 
[ 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 11:01 00:03 Jupiter 1.83572834454261 1.83572748377309 1.83572920531568 2.36439238310316 2.16044725032298 2426923.959264181 2.60831210759394 162.96360092334 13.6660491373134 -82.2737530066342 2285425.44528324 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:42:09 2020-Feb-23 20:42
1942-Aug-21 17:31 00:02 Jupiter 1.81641850732919 1.81641797551031 1.81641903914787 2.34305224327578 2.13477506166949 2430593.229658901 2.37021722234087 55.1526633801596 9.00816520756413 84.304380525996 2119668.87339135 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:42:09 2020-Feb-23 20:42
2003-Nov-15 04:18 < 00:01 Jupiter 1.84589077972732 1.84589030367422 1.84589125578043 2.3884536086924 2.18791502186393 2452958.679497214 0.43806217390933 51.6007074470225 13.2425156182114 -77.7048496258589 2371655.32683556 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:42:09 2020-Feb-23 20:42
2013-Dec-04 19:21 < 00:01 Jupiter 1.81862634913215 1.8186259725084 1.81862672575589 2.35444264518485 2.1475342012798 2456631.306538154 0.2346379631384 55.6359618249178 9.78905499301068 85.9526556559119 3202224.36012578 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:42:09 2020-Feb-23 20:42
2075-Feb-25 22:21 00:02 Jupiter 1.85532643892927 1.85532587264163 1.85532700521796 2.40630975886632 2.20845093061759 2478994.431575561 1.83393359835327 115.907048125318 13.7776286245349 -83.3012932795662 2399798.05268257 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:42:09 2020-Feb-23 20:42
2085-Mar-19 03:21 00:02 Jupiter 1.82068939335989 1.82068881660959 1.8206899701102 2.36911410134203 2.1638530660467 2482668.639254050 2.25131571254925 60.2432667968909 11.385141068219 85.3263008389727 2303742.49028424 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:42:09 2020-Feb-23 20:42
2146-Jun-09 12:13 00:04 Jupiter 1.8623672772286 1.8623662462952 1.86236830817143 2.41452203638191 2.21817435401695 2505030.009283002 4.02903518064185 244.445628561228 13.5352063843359 -82.658953035832 2402050.45061696 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:42:09 2020-Feb-23 20:42
2156-Jul-03 00:13 00:05 Jupiter 1.82001578591554 1.82001489161499 1.82001668021639 2.37940632306502 2.17503759739255 2508706.509235848 4.51863983541204 88.3953914378091 13.0094347097632 82.7276206061906 2115070.75244885 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:42:09 2020-Feb-23 20:42

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