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229781 Arthurmcdonald (2008 PS1)
Classification: Main-belt Asteroid          SPK-ID: 2229781
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08190585122262525 5.3586e-08  
a 3.159387155382457 3.4467e-08 au
q 2.900614861079029 1.5473e-07 au
i 14.05000993276866 3.3678e-06 deg
node 308.4504817891953 2.9579e-05 deg
peri 340.2794004516534 5.5675e-05 deg
M 107.5968730607887 4.9724e-05 deg
tp 2458587.444421603047
(2019-Apr-13.94442160)
0.00028029 TDB
period 2051.174926786345
5.62
3.3566e-05
9.19e-08
d
yr
n .1755091656487952 2.8721e-09 deg/d
Q 3.418159449685886 3.729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2002-07-12  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52461  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:48:59  

Additional Information
 Earth MOID = 1.88641 au 
 Jupiter MOID = 1.83239 au 
 T_jup = 3.154 
[ 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 15.51   n/a MPCxxxxx  
diameter diameter 5.466 km 1.753 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

229781 Arthurmcdonald (2008 PS1)          Discovered 2008-Aug-03 by Casulli, V. S. at Vallemare Borbona
Reference: 20091231/Numbers.arcLast Updated: 2010-01-04

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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
1943-Aug-26 05:49 00:03 Jupiter 1.93252513881377 1.93252351917166 1.93252675845951 4.71957013453698 4.62576973332573 2430962.742246353 3.37752723164332 219.456556535389 59.3899199328962 76.0200722294962 2451806.54947177 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:49:00 2021-Apr-14 00:49
1954-Jun-05 13:50 00:03 Jupiter 1.87064404019931 1.87064342131962 1.8706446590824 4.19374758158355 4.08435114084086 2434899.076172459 3.00857158995837 324.11704435879 26.3816518899252 -86.6264842633718 3803063.8948102 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:49:00 2021-Apr-14 00:49
2050-Sep-02 08:51 00:02 Jupiter 1.97797338893616 1.97797280351501 1.97797397435741 4.72098042303205 4.62938454267041 2470051.868862271 1.67957716523293 170.552703707496 28.7667752102384 88.7894918883638 4281806.26725961 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:49:00 2021-Apr-14 00:49
2061-Jun-17 18:45 00:02 Jupiter 1.85067415028009 1.85067350722449 1.85067479334736 4.41610244301942 4.3112172689195 2473993.281214057 2.3021582535221 292.285198124984 17.3394307568196 -84.5745800090035 4538007.56369038 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:49:00 2021-Apr-14 00:49
2072-Feb-19 21:25 00:03 Jupiter 1.97898055475695 1.97897926078931 1.97898184872865 3.40893632864312 3.28097971024047 2477892.392234168 3.4277078478263 176.182515627976 28.7039524402289 -65.3394139499896 3434578.27458233 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:49:00 2021-Apr-14 00:49
2168-Jul-01 20:21 00:07 Jupiter 1.85120927742228 1.85120864430956 1.85120991059014 4.56290214894249 4.46149909530859 2513088.347699138 7.31864230763377 802.346065632539 23.0141285570547 88.8188804060235 4239434.5835962 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:49:00 2021-Apr-14 00:49
2179-Mar-26 09:44 00:09 Jupiter 1.9279228105791 1.92791990667131 1.92792571457467 3.84080835937297 3.72466369180258 2517007.905325310 9.0432479956878 687.050443092956 25.4480404660765 -75.8779954793178 3943904.91801319 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:49:00 2021-Apr-14 00:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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