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1492 Oppolzer (1938 FL)
Classification: Main-belt Asteroid          SPK-ID: 2001492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161706988336167 9.9305e-09  
a 2.173162696537053 3.9043e-09 au
q 1.920704867401197 2.1564e-08 au
i 6.058702568832302 7.3001e-07 deg
node 137.7744081365138 4.8408e-06 deg
peri 81.21227565318078 9.0422e-06 deg
M 332.3207591838939 6.6435e-06 deg
tp 2459486.468082117187
(2021-Sep-28.96808212)
2.1669e-05 TDB
period 1170.137207785736
3.20
3.1534e-06
8.634e-09
d
yr
n .3076562283505471 8.2911e-10 deg/d
Q 2.42562052567291 4.3579e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3554  
   data-arc span      24527 days (67.15 yr)  
   first obs. used      1954-05-06  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4283  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:26:57  

Additional Information
 Earth MOID = .925059 au 
 Jupiter MOID = 2.55435 au 
 T_jup = 3.671 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.01   n/a MPCxxxxx  
diameter diameter 12.27 km 1.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 3.76945 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Montigiani, N.; Mannucci, M.; Ferrini, L. (2015) Minor Planet Bull. 42, 245.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2015) http://www.asu.cas.cz/~ppravec/neo.htm]
[Salvaggio, F.; Franco, L.; Marchini, A.; Papini, R. (2015) Minor Planet Bull. 42, 283-284.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.0890   0.026 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

1492 Oppolzer (1938 FL)          Discovered 1938-Mar-23 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1938 FL = 1971 VR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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