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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457174.5 (2015-Jun-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948246130852355 3.0983e-08  
q 1.801278411771883 7.0343e-08 au
tp 2457698.473129011860
(2016-Nov-05.97312901)
2.8051e-05 TDB
node 349.2262837737611 5.9041e-05 deg
peri 44.13461195088959 5.9675e-05 deg
i 2.870751803112675 3.5416e-06 deg
  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
 Jupiter MOID = 2.76849 au 
 T_jup = 3.610 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.599498899836605E-16 -2.17578269838381E-15 -2.266112791917707E-13 1.241662734383786E-14 -8.676196220301564E-14 -8.425241528107243E-16
q -2.17578269838381E-15 4.94808586375159E-15 5.461899289127699E-13 -2.85892711671801E-14 2.038139221554486E-13 1.934611855025561E-15
tp -2.266112791917707E-13 5.461899289127699E-13 7.868501322983346E-10 -6.947934633141384E-12 2.490861014840809E-10 3.617555507803592E-13
node 1.241662734383786E-14 -2.85892711671801E-14 -6.947934633141384E-12 3.485790211289322E-9 -3.482968933009305E-9 7.077174770375345E-12
peri -8.676196220301564E-14 2.038139221554486E-13 2.490861014840809E-10 -3.482968933009305E-9 3.561075931882715E-9 -6.972799233090826E-12
i -8.425241528107243E-16 1.934611855025561E-15 3.617555507803592E-13 7.077174770375345E-12 -6.972799233090826E-12 1.254291319296293E-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 14.0   n/a MPO344321  

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

[ show close-approach data ]
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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