🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.75 AU - 0.85 AU

Year: 270 Days

Day: 39.9 Hours

Environment

Temp: 165 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.65 AU - 1.05 AU

Year: 295 Days

Day: 12.5 Hours

Environment

Temp: 78 °C

Axial Tilt: 151 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.86 AU - 1 AU

Year: 338 Days

Day: 40.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 1.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.83 AU - 1.18 AU

Year: 377 Days

Day: 32.8 Hours

Environment

Temp: 30 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.86 AU - 3.32 AU

Year: 2046 Days

Day: 35.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,513,613 km

• M1: 23,337 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.4

Radius: 11.6

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.97 AU - 5.91 AU

Year: 4136 Days

Day: 13.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,513,613 km

• M1: 148,850 km (0.075 R)
• M2: 553,811 km (0.094 R)
• M3: 965,953 km (0.043 R)
• M4: 1,390,213 km (0.053 R)
• M5: 2,077,615 km (0.099 R)
• M6: 2,452,358 km (0.093 R)
• M7: 3,794,999 km (0.109 R)
• M8: 4,627,511 km (0.115 R)
• M9: 5,140,332 km (0.077 R)
• M10: 5,691,002 km (0.061 R)
• M11: 6,250,199 km (0.1 R)
• M12: 7,969,827 km (0.055 R)
• M13: 8,333,798 km (0.061 R)
• M14: 8,900,625 km (0.116 R)
• M15: 9,614,506 km (0.059 R)
• M16: 10,933,211 km (0.118 R)
• M17: 12,808,420 km (0.043 R)
• M18: 13,564,039 km (0.047 R)
• M19: 16,415,225 km (0.06 R)
• M20: 19,122,049 km (0.076 R)
• M21: 19,512,798 km (0.04 R)
• M22: 20,581,226 km (0.101 R)
• M23: 21,407,754 km (0.098 R)
• M24: 23,720,238 km (0.071 R)
• M25: 24,936,768 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.4

Radius: 13.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.16 AU - 6.08 AU

Year: 4364 Days

Day: 9.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,513,613 km

• M1: 173,982 km (0.083 R)
• M2: 624,721 km (0.094 R)
• M3: 1,123,031 km (0.051 R)
• M4: 1,728,753 km (0.099 R)
• M5: 2,264,912 km (0.115 R)
• M6: 3,270,359 km (0.049 R)
• M7: 4,241,100 km (0.099 R)
• M8: 5,480,069 km (0.09 R)
• M9: 6,123,340 km (0.082 R)
• M10: 6,654,562 km (0.047 R)
• M11: 7,318,777 km (0.109 R)
• M12: 8,587,815 km (0.117 R)
• M13: 10,255,383 km (0.105 R)
• M14: 12,324,471 km (0.075 R)
• M15: 13,021,597 km (0.103 R)
• M16: 15,046,853 km (0.083 R)
• M17: 18,275,325 km (0.102 R)
• M18: 20,255,701 km (0.113 R)
• M19: 22,156,941 km (0.068 R)
• M20: 24,328,952 km (0.037 R)
• M21: 25,267,978 km (0.09 R)
• M22: 25,987,993 km (0.115 R)
• M23: 27,301,761 km (0.103 R)
• M24: 29,442,507 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.2

Radius: 8.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.16 AU - 9.02 AU

Year: 8669 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,513,613 km

• M1: 110,702 km (0.045 R)
• M2: 697,276 km (0.062 R)
• M3: 1,395,748 km (0.088 R)
• M4: 1,714,691 km (0.064 R)
• M5: 2,327,892 km (0.117 R)
• M6: 4,944,658 km (0.069 R)
• M7: 7,310,399 km (0.087 R)
• M8: 7,767,421 km (0.104 R)
• M9: 8,696,573 km (0.082 R)
• M10: 11,671,027 km (0.078 R)
• M11: 14,599,406 km (0.093 R)
• M12: 21,473,129 km (0.08 R)
• M13: 24,535,846 km (0.088 R)
• M14: 32,927,239 km (0.091 R)
• M15: 36,319,521 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.4

Radius: 7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 12.55 AU - 12.55 AU

Year: 16749 Days

Day: 15.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,513,613 km

• M1: 129,103 km (0.057 R)
• M2: 569,519 km (0.108 R)
• M3: 1,316,312 km (0.031 R)
• M4: 1,786,348 km (0.098 R)
• M5: 3,370,290 km (0.092 R)
• M6: 4,739,560 km (0.12 R)
• M7: 5,435,040 km (0.109 R)
• M8: 13,576,904 km (0.063 R)
• M9: 23,397,556 km (0.097 R)
• M10: 24,536,295 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 18,483 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit