🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.4

Radius: 10.7

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 6.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,313,602 km

• M1: 133,142 km (0.109 R)
• M2: 510,428 km (0.108 R)
• M3: 891,005 km (0.109 R)
• M4: 1,234,631 km (0.06 R)
• M5: 1,766,302 km (0.066 R)
• M6: 2,620,207 km (0.078 R)
• M7: 3,014,846 km (0.062 R)
• M8: 4,025,380 km (0.084 R)
• M9: 4,878,087 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 9.8

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.77 AU - 1.15 AU

Year: 649 Days

Day: 13.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,313,602 km

• M1: 122,072 km (0.098 R)
• M2: 793,318 km (0.063 R)
• M3: 1,129,015 km (0.054 R)
• M4: 1,867,281 km (0.084 R)
• M5: 2,299,618 km (0.088 R)
• M6: 2,731,956 km (0.104 R)
• M7: 3,073,488 km (0.086 R)
• M8: 4,394,138 km (0.086 R)
• M9: 5,528,539 km (0.049 R)
• M10: 6,003,213 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.9

Radius: 10.7

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.32 AU - 3.48 AU

Year: 4327 Days

Day: 9.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,313,602 km

• M1: 133,142 km (0.11 R)
• M2: 477,666 km (0.049 R)
• M3: 880,832 km (0.106 R)
• M4: 1,224,907 km (0.111 R)
• M5: 2,470,160 km (0.053 R)
• M6: 2,889,932 km (0.074 R)
• M7: 4,469,087 km (0.112 R)
• M8: 5,633,856 km (0.115 R)
• M9: 6,271,442 km (0.11 R)
• M10: 6,722,779 km (0.049 R)
• M11: 8,631,348 km (0.042 R)
• M12: 9,902,033 km (0.093 R)
• M13: 10,381,643 km (0.118 R)
• M14: 11,199,944 km (0.087 R)
• M15: 12,862,275 km (0.05 R)
• M16: 13,276,213 km (0.047 R)
• M17: 17,349,613 km (0.056 R)
• M18: 18,566,741 km (0.051 R)
• M19: 18,962,727 km (0.083 R)
• M20: 21,457,870 km (0.103 R)
• M21: 23,314,529 km (0.11 R)
• M22: 24,008,364 km (0.095 R)
• M23: 30,245,398 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.2

Radius: 4.4

Gravity: 34.46 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.51 AU - 10.83 AU

Year: 20756 Days

Day: 21.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,313,602 km

• M1: 54,753 km (0.111 R)
• M2: 280,646 km (0.114 R)
• M3: 1,541,905 km (0.074 R)
• M4: 1,824,496 km (0.096 R)
• M5: 2,586,398 km (0.077 R)
• M6: 3,811,604 km (0.093 R)
• M7: 4,096,438 km (0.072 R)
• M8: 6,154,606 km (0.059 R)
• M9: 11,819,129 km (0.106 R)
• M10: 13,405,764 km (0.096 R)
• M11: 14,819,165 km (0.099 R)
• M12: 16,328,907 km (0.076 R)
• M13: 16,826,170 km (0.075 R)
• M14: 17,419,026 km (0.101 R)
• M15: 19,557,678 km (0.072 R)
• M16: 22,570,579 km (0.083 R)
• M17: 25,656,334 km (0.114 R)
• M18: 28,294,792 km (0.102 R)
• M19: 32,000,780 km (0.032 R)
• M20: 33,040,934 km (0.033 R)
• M21: 39,463,170 km (0.051 R)
• M22: 50,231,375 km (0.096 R)
• M23: 57,891,683 km (0.108 R)
• M24: 61,400,052 km (0.103 R)
• M25: 63,612,306 km (0.094 R)
• M26: 72,325,933 km (0.072 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 14,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit