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2885 Palva (1939 TC)
Classification: Main-belt Asteroid          SPK-ID: 2002885
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938950951835338 3.0829e-08  
a 2.237908034863842 5.1602e-09 au
q 1.803988643431922 6.9944e-08 au
i 2.867554519068977 3.5389e-06 deg
node 349.0827102564275 5.9128e-05 deg
peri 44.55138609902174 5.9772e-05 deg
M 81.86128271929257 8.9718e-06 deg
tp 2458922.440444006194
(2020-Mar-13.94044401)
3.0039e-05 TDB
period 1222.817879619894
3.35
4.2294e-06
1.158e-08
d
yr
n .2944019759605607 1.0182e-09 deg/d
Q 2.671827426295763 6.1607e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2346  
   data-arc span      29745 days (81.44 yr)  
   first obs. used      1939-10-07  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:25:12  

Additional Information
 Earth MOID = .810331 au 
 Jupiter MOID = 2.76849 au 
 T_jup = 3.610 
[ 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 14.0   n/a MPO344321  

2885 Palva (1939 TC)          Discovered 1939-Oct-07 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
2043-Oct-02 14:56 < 00:01 Iris 0.0431478900568959 0.0431448436442726 0.0431509365376272 2.85722271644851 2.85722266981809 2467525.122472815 0.509330624405186 174.576721139385 20.9817838649457 -29.8483845831584 156267.388996091 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 14:25:43 2021-Apr-12 14:25
2082-Jun-08 07:13 00:04 Thisb 0.0359984335984747 0.0359970265706221 0.0359998408977405 3.01426099369161 3.01426093085535 2481653.800818542 3.4951125164621 180.95267187513 25.1313830869214 -68.5733981933595 199573.755043125 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 14:25:43 2021-Apr-12 14:25

Alternate Designations
 1939 TC = 1959 SF = 1969 RK = 1969 RT1 = 1976 YR = 1979 OO13 = 1981 EA20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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