1131 Porzia information

1131 Porzia
Discovery
Discovered by	K. Reinmuth
Discovery site	Heidelberg Obs.
Discovery date	10 September 1929
Designations
MPC designation	(1131) Porzia
Pronunciation	German: [ˈpɔʁtsi̯aː]
Named after	Porcia Catonis; (in Shakespeare's play); Julius Caesar
Alternative designations	1929 RO · 1939 TJ; 1962 MB
Minor planet category	Mars-crosser
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 0
Observation arc	87.55 yr (31,978 days)
Aphelion	2.8667 AU
Perihelion	1.5893 AU
Semi-major axis	2.2280 AU
Eccentricity	0.2867
Orbital period (sidereal)	3.33 yr (1,215 days)
Mean anomaly	165.22°
Mean motion	0° 17m 47.04s / day
Inclination	3.2292°
Longitude of ascending node	100.71°
Argument of perihelion	248.01°
Physical characteristics
Dimensions	6.53±0.65 km; 7.13 km (calculated)
Synodic rotation period	4.0±0.2 h (dated); 4.6584±0.0005 h; 4.6601±0.0006 h
Geometric albedo	0.20 (assumed); 0.287±0.057
Spectral type	SMASS = S · S
Absolute magnitude (H)	11.94±0.70 · 12.00 · 12.90 · 13.0 · 13.10±0.14

1131 Porzia, provisional designation 1929 RO, is a stony asteroid and sizable Mars-crosser from the innermost regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered on 10 September 1929, by German astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany.^[3] The asteroid was named after Porcia wife of Brutus, who assassinated Julius Caesar.^[2]

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[springer-2] Cite error: The named reference springer was invoked but never defined (see the help page).

[MPC-Porzia-3] Cite error: The named reference MPC-Porzia was invoked but never defined (see the help page).

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1131 Porzia information

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1131 Porzia

Name conflicts in astronomy

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3198 Wallonia

Karl Wilhelm Reinmuth

26858 Misterrogers

4451 Grieve

1011 Laodamia

7369 Gavrilin

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1310 Villigera

3737 Beckman

19982 Barbaradoore

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6170 Levasseur

3581 Alvarez

1132 Hollandia

3343 Nedzel

1316 Kasan

1065 Amundsenia

1130 Skuld

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1474 Beira

4205 David Hughes