🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 14

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 6.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 83.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,370,479 km

• M1: 174,132 km (0.097 R)
• M2: 694,733 km (0.104 R)
• M3: 1,260,063 km (0.057 R)
• M4: 1,720,974 km (0.079 R)
• M5: 2,166,476 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.1

Radius: 14.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.62 AU - 0.8 AU

Year: 413 Days

Day: 10.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 104.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,370,479 km

• M1: 185,950 km (0.048 R)
• M2: 674,537 km (0.118 R)
• M3: 1,745,358 km (0.063 R)
• M4: 2,403,290 km (0.115 R)
• M5: 3,159,208 km (0.075 R)
• M6: 4,356,440 km (0.114 R)
• M7: 4,869,859 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.4

Radius: 14.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.64 AU - 0.8 AU

Year: 422 Days

Day: 13.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,370,479 km

• M1: 184,604 km (0.083 R)
• M2: 884,871 km (0.063 R)
• M3: 1,409,062 km (0.058 R)
• M4: 2,066,545 km (0.116 R)
• M5: 2,836,226 km (0.097 R)
• M6: 3,731,868 km (0.044 R)
• M7: 4,253,217 km (0.112 R)
• M8: 4,908,905 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.6

Radius: 9.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.57 AU - 1.81 AU

Year: 1516 Days

Day: 10.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,370,479 km

• M1: 115,639 km (0.112 R)
• M2: 453,880 km (0.105 R)
• M3: 770,130 km (0.104 R)
• M4: 1,089,820 km (0.045 R)
• M5: 2,020,918 km (0.074 R)
• M6: 3,281,130 km (0.103 R)
• M7: 3,868,451 km (0.072 R)
• M8: 5,213,486 km (0.09 R)
• M9: 6,364,941 km (0.046 R)
• M10: 7,132,677 km (0.064 R)
• M11: 7,908,940 km (0.104 R)
• M12: 9,423,319 km (0.098 R)
• M13: 9,807,786 km (0.031 R)
• M14: 10,295,325 km (0.109 R)
• M15: 10,608,135 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.4

Radius: 14

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.36 AU - 2.74 AU

Year: 2811 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,370,479 km

• M1: 174,132 km (0.09 R)
• M2: 1,401,732 km (0.063 R)
• M3: 1,890,019 km (0.043 R)
• M4: 2,420,194 km (0.03 R)
• M5: 3,101,164 km (0.078 R)
• M6: 3,866,955 km (0.061 R)
• M7: 4,328,166 km (0.091 R)
• M8: 5,312,071 km (0.038 R)
• M9: 5,965,514 km (0.032 R)
• M10: 6,939,995 km (0.1 R)
• M11: 7,657,765 km (0.114 R)
• M12: 8,667,701 km (0.104 R)
• M13: 11,453,662 km (0.113 R)
• M14: 12,145,851 km (0.087 R)
• M15: 13,709,448 km (0.092 R)
• M16: 15,403,644 km (0.114 R)
• M17: 18,259,318 km (0.11 R)
• M18: 19,024,960 km (0.091 R)
• M19: 21,842,037 km (0.057 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 17,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit