🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 12.4

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 14 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,185,573 km

• M1: 158,723 km (0.116 R)
• M2: 697,425 km (0.036 R)
• M3: 1,549,236 km (0.113 R)
• M4: 2,517,583 km (0.077 R)
• M5: 3,236,550 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.1

Radius: 14.5

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.63 AU - 0.89 AU

Year: 442 Days

Day: 11 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 21,185,573 km

• M1: 180,415 km (0.043 R)
• M2: 847,173 km (0.045 R)
• M3: 1,453,942 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 11.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.78 AU - 1.04 AU

Year: 579 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 21,185,573 km

• M1: 145,559 km (0.111 R)
• M2: 1,134,700 km (0.062 R)
• M3: 1,691,354 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 13.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.83 AU - 2.09 AU

Year: 1830 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,185,573 km

• M1: 281,394 km (0.108 R)
• M2: 1,172,399 km (0.118 R)
• M3: 2,118,605 km (0.101 R)
• M4: 3,082,015 km (0.089 R)
• M5: 3,589,451 km (0.072 R)
• M6: 6,062,454 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.1

Radius: 11.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.52 AU - 2.72 AU

Year: 2828 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,185,573 km

• M1: 142,716 km (0.06 R)
• M2: 515,514 km (0.117 R)
• M3: 921,972 km (0.109 R)
• M4: 1,381,985 km (0.107 R)
• M5: 1,875,658 km (0.106 R)
• M6: 2,272,691 km (0.104 R)
• M7: 3,041,624 km (0.082 R)
• M8: 3,430,279 km (0.086 R)
• M9: 3,887,301 km (0.096 R)
• M10: 4,462,056 km (0.046 R)
• M11: 5,071,667 km (0.065 R)
• M12: 6,840,512 km (0.112 R)
• M13: 7,624,106 km (0.115 R)
• M14: 8,496,710 km (0.087 R)
• M15: 9,630,213 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.8

Radius: 12.4

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.45 AU - 4.97 AU

Year: 5760 Days

Day: 6.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 21,185,573 km

• M1: 154,235 km (0.047 R)
• M2: 562,189 km (0.082 R)
• M3: 1,087,277 km (0.115 R)
• M4: 1,801,009 km (0.073 R)
• M5: 3,523,927 km (0.111 R)
• M6: 4,065,771 km (0.1 R)
• M7: 4,457,418 km (0.102 R)
• M8: 5,461,519 km (0.109 R)
• M9: 5,848,230 km (0.087 R)
• M10: 7,766,074 km (0.056 R)
• M11: 11,648,139 km (0.069 R)
• M12: 12,241,594 km (0.096 R)
• M13: 13,275,764 km (0.053 R)
• M14: 13,705,259 km (0.111 R)
• M15: 14,144,179 km (0.103 R)
• M16: 16,790,267 km (0.101 R)
• M17: 18,000,962 km (0.118 R)
• M18: 18,461,275 km (0.119 R)
• M19: 22,889,372 km (0.112 R)
• M20: 23,664,438 km (0.11 R)
• M21: 24,058,330 km (0.108 R)
• M22: 25,513,318 km (0.059 R)
• M23: 26,940,482 km (0.09 R)
• M24: 27,543,362 km (0.059 R)
• M25: 28,420,155 km (0.08 R)
• M26: 31,162,583 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 11.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.56 AU - 5.44 AU

Year: 7456 Days

Day: 11.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,185,573 km

• M1: 143,764 km (0.084 R)
• M2: 539,001 km (0.077 R)
• M3: 1,029,832 km (0.113 R)
• M4: 1,430,006 km (0.076 R)
• M5: 2,218,088 km (0.097 R)
• M6: 3,720,948 km (0.068 R)
• M7: 4,597,891 km (0.054 R)
• M8: 8,295,352 km (0.107 R)
• M9: 9,749,592 km (0.098 R)
• M10: 10,400,044 km (0.095 R)
• M11: 11,038,528 km (0.1 R)
• M12: 11,830,349 km (0.106 R)
• M13: 12,659,570 km (0.068 R)
• M14: 13,480,563 km (0.082 R)
• M15: 16,210,126 km (0.111 R)
• M16: 18,818,365 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 13,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit