🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.8

Radius: 9

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.39 AU - 0.63 AU

Year: 243 Days

Day: 14.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,705,960 km

• M1: 112,049 km (0.109 R)
• M2: 425,157 km (0.104 R)
• M3: 796,609 km (0.11 R)
• M4: 1,140,684 km (0.097 R)
• M5: 1,713,644 km (0.115 R)
• M6: 2,346,592 km (0.054 R)
• M7: 3,032,050 km (0.107 R)
• M8: 3,562,673 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.5

Radius: 8.9

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.52 AU - 0.6 AU

Year: 279 Days

Day: 9.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,705,960 km

• M1: 110,702 km (0.082 R)
• M2: 428,149 km (0.101 R)
• M3: 749,785 km (0.118 R)
• M4: 1,123,929 km (0.112 R)
• M5: 1,471,445 km (0.082 R)
• M6: 1,856,061 km (0.025 R)
• M7: 2,299,170 km (0.1 R)
• M8: 2,739,137 km (0.1 R)
• M9: 3,493,110 km (0.06 R)
• M10: 3,856,035 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 10.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.7 AU - 0.7 AU

Year: 391 Days

Day: 11.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,705,960 km

• M1: 133,142 km (0.047 R)
• M2: 484,548 km (0.115 R)
• M3: 824,583 km (0.078 R)
• M4: 1,357,002 km (0.097 R)
• M5: 1,915,601 km (0.096 R)
• M6: 2,360,804 km (0.032 R)
• M7: 2,727,319 km (0.09 R)
• M8: 3,185,387 km (0.045 R)
• M9: 3,826,863 km (0.101 R)
• M10: 4,165,852 km (0.097 R)
• M11: 4,621,527 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 9.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.92 AU - 1.3 AU

Year: 780 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,705,960 km

• M1: 118,182 km (0.099 R)
• M2: 435,479 km (0.089 R)
• M3: 730,935 km (0.09 R)
• M4: 1,220,569 km (0.117 R)
• M5: 1,531,284 km (0.105 R)
• M6: 1,863,541 km (0.113 R)
• M7: 2,420,344 km (0.088 R)
• M8: 2,717,745 km (0.085 R)
• M9: 3,471,867 km (0.078 R)
• M10: 4,288,373 km (0.067 R)
• M11: 5,260,160 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.7

Radius: 13.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.46 AU - 2.42 AU

Year: 1802 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,705,960 km

• M1: 166,951 km (0.094 R)
• M2: 659,876 km (0.116 R)
• M3: 1,180,327 km (0.09 R)
• M4: 1,616,106 km (0.089 R)
• M5: 2,073,277 km (0.054 R)
• M6: 2,529,102 km (0.109 R)
• M7: 3,534,698 km (0.116 R)
• M8: 4,033,607 km (0.096 R)
• M9: 5,092,012 km (0.053 R)
• M10: 6,423,134 km (0.101 R)
• M11: 8,719,761 km (0.065 R)
• M12: 9,827,533 km (0.065 R)
• M13: 10,718,388 km (0.109 R)
• M14: 12,247,578 km (0.103 R)
• M15: 12,967,742 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 14.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.4 AU - 3.18 AU

Year: 3108 Days

Day: 9.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,705,960 km

• M1: 185,801 km (0.06 R)
• M2: 681,568 km (0.063 R)
• M3: 1,410,558 km (0.097 R)
• M4: 1,903,633 km (0.059 R)
• M5: 2,623,348 km (0.074 R)
• M6: 3,641,212 km (0.119 R)
• M7: 4,410,145 km (0.102 R)
• M8: 5,801,256 km (0.03 R)
• M9: 6,376,609 km (0.072 R)
• M10: 7,325,509 km (0.118 R)
• M11: 7,819,481 km (0.104 R)
• M12: 8,681,763 km (0.1 R)
• M13: 13,540,402 km (0.054 R)
• M14: 14,830,535 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 13.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.75 AU - 3.35 AU

Year: 3552 Days

Day: 12 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,705,960 km

• M1: 164,258 km (0.049 R)
• M2: 708,196 km (0.087 R)
• M3: 1,352,814 km (0.104 R)
• M4: 1,931,458 km (0.057 R)
• M5: 3,032,947 km (0.099 R)
• M6: 3,674,423 km (0.099 R)
• M7: 4,382,769 km (0.117 R)
• M8: 4,840,987 km (0.048 R)
• M9: 5,305,937 km (0.076 R)
• M10: 6,045,699 km (0.106 R)
• M11: 6,943,884 km (0.095 R)
• M12: 7,569,353 km (0.055 R)
• M13: 8,473,074 km (0.12 R)
• M14: 9,674,046 km (0.105 R)
• M15: 11,748,968 km (0.107 R)
• M16: 12,457,015 km (0.111 R)
• M17: 13,620,437 km (0.051 R)
• M18: 15,630,734 km (0.109 R)
• M19: 16,162,853 km (0.09 R)
• M20: 17,263,295 km (0.077 R)
• M21: 18,120,940 km (0.034 R)
• M22: 20,993,069 km (0.117 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: 477 - 20,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit