🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.76 AU - 0.86 AU

Year: 266 Days

Day: 43.6 Hours

Environment

Temp: 95 °C

Axial Tilt: 77.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.8

Radius: 8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.58 AU - 6.64 AU

Year: 6207 Days

Day: 12.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,900,423 km

• M1: 100,081 km (0.113 R)
• M2: 362,625 km (0.083 R)
• M3: 628,909 km (0.078 R)
• M4: 951,891 km (0.085 R)
• M5: 1,512,584 km (0.108 R)
• M6: 1,779,766 km (0.096 R)
• M7: 2,411,069 km (0.118 R)
• M8: 3,003,028 km (0.102 R)
• M9: 3,708,531 km (0.076 R)
• M10: 5,106,523 km (0.114 R)
• M11: 5,937,988 km (0.106 R)
• M12: 7,172,320 km (0.084 R)
• M13: 8,283,683 km (0.052 R)
• M14: 8,642,119 km (0.06 R)
• M15: 9,544,643 km (0.107 R)
• M16: 10,425,775 km (0.047 R)
• M17: 12,119,522 km (0.114 R)
• M18: 12,534,955 km (0.105 R)
• M19: 12,959,963 km (0.098 R)
• M20: 15,177,452 km (0.105 R)
• M21: 15,660,354 km (0.105 R)
• M22: 16,600,427 km (0.119 R)
• M23: 18,170,008 km (0.113 R)
• M24: 18,653,358 km (0.043 R)
• M25: 19,207,469 km (0.074 R)
• M26: 19,836,079 km (0.105 R)
• M27: 21,467,294 km (0.05 R)
• M28: 22,075,859 km (0.061 R)
• M29: 24,405,845 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.2

Radius: 12.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.52 AU - 8.2 AU

Year: 6563 Days

Day: 5.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,900,423 km

• M1: 161,865 km (0.086 R)
• M2: 678,127 km (0.094 R)
• M3: 1,313,619 km (0.112 R)
• M4: 1,744,910 km (0.078 R)
• M5: 2,724,476 km (0.073 R)
• M6: 3,291,752 km (0.054 R)
• M7: 4,345,968 km (0.107 R)
• M8: 5,482,014 km (0.092 R)
• M9: 6,362,697 km (0.077 R)
• M10: 13,938,782 km (0.069 R)
• M11: 16,441,554 km (0.066 R)
• M12: 18,091,170 km (0.098 R)
• M13: 19,291,543 km (0.099 R)
• M14: 19,911,327 km (0.108 R)
• M15: 21,783,993 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.7

Radius: 5

Gravity: 24.35 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 15.54 AU - 18.72 AU

Year: 25896 Days

Day: 17.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,900,423 km

• M1: 79,137 km (0.119 R)
• M2: 338,091 km (0.09 R)
• M3: 788,680 km (0.091 R)
• M4: 986,897 km (0.089 R)
• M5: 1,339,200 km (0.046 R)
• M6: 1,623,885 km (0.103 R)
• M7: 4,181,560 km (0.111 R)
• M8: 8,028,170 km (0.046 R)
• M9: 9,846,981 km (0.119 R)
• M10: 10,594,521 km (0.096 R)
• M11: 29,466,442 km (0.109 R)
• M12: 40,797,733 km (0.028 R)
• M13: 49,535,894 km (0.1 R)
• M14: 50,799,847 km (0.072 R)
• M15: 54,338,435 km (0.051 R)
• M16: 55,489,141 km (0.102 R)
• M17: 64,002,457 km (0.1 R)
• M18: 76,891,062 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 12,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit