🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.51 AU - 0.63 AU

Year: 278 Days

Day: 18.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,390,284 km

• M1: 22,589 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.4

Radius: 14

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.75 AU - 1.11 AU

Year: 579 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,390,284 km

• M1: 174,132 km (0.117 R)
• M2: 616,493 km (0.053 R)
• M3: 1,064,838 km (0.073 R)
• M4: 1,565,243 km (0.113 R)
• M5: 2,049,940 km (0.111 R)
• M6: 3,022,775 km (0.095 R)
• M7: 3,566,862 km (0.107 R)
• M8: 5,442,819 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 10.4

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.53 AU - 2.43 AU

Year: 1799 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,390,284 km

• M1: 129,402 km (0.069 R)
• M2: 499,657 km (0.035 R)
• M3: 902,075 km (0.113 R)
• M4: 1,260,063 km (0.116 R)
• M5: 1,588,729 km (0.089 R)
• M6: 1,942,977 km (0.078 R)
• M7: 2,648,481 km (0.1 R)
• M8: 2,987,170 km (0.106 R)
• M9: 3,338,875 km (0.112 R)
• M10: 3,701,201 km (0.12 R)
• M11: 6,213,548 km (0.042 R)
• M12: 6,816,577 km (0.091 R)
• M13: 7,765,326 km (0.111 R)
• M14: 8,198,113 km (0.059 R)
• M15: 9,270,580 km (0.093 R)
• M16: 9,659,086 km (0.108 R)
• M17: 10,399,595 km (0.073 R)
• M18: 11,692,420 km (0.062 R)
• M19: 12,730,180 km (0.069 R)
• M20: 13,620,288 km (0.107 R)
• M21: 13,954,041 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 11.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.88 AU - 4.54 AU

Year: 5577 Days

Day: 11.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,390,284 km

• M1: 144,212 km (0.096 R)
• M2: 628,311 km (0.09 R)
• M3: 1,261,110 km (0.066 R)
• M4: 1,980,077 km (0.046 R)
• M5: 2,369,181 km (0.117 R)
• M6: 2,845,651 km (0.093 R)
• M7: 3,224,732 km (0.048 R)
• M8: 3,993,515 km (0.088 R)
• M9: 5,342,888 km (0.049 R)
• M10: 8,260,346 km (0.108 R)
• M11: 8,879,382 km (0.119 R)
• M12: 9,281,949 km (0.111 R)
• M13: 9,908,615 km (0.111 R)
• M14: 10,878,458 km (0.095 R)
• M15: 11,862,214 km (0.074 R)
• M16: 14,831,282 km (0.046 R)
• M17: 18,588,283 km (0.06 R)
• M18: 19,382,499 km (0.077 R)
• M19: 23,773,346 km (0.108 R)
• M20: 26,158,384 km (0.12 R)
• M21: 30,299,702 km (0.086 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: 305 - 18,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit