🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 11.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.57 AU - 0.89 AU

Year: 423 Days

Day: 8.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,365,743 km

• M1: 143,016 km (0.095 R)
• M2: 551,567 km (0.08 R)
• M3: 988,393 km (0.118 R)
• M4: 1,352,215 km (0.099 R)
• M5: 2,131,171 km (0.04 R)
• M6: 2,681,542 km (0.116 R)
• M7: 3,454,664 km (0.064 R)
• M8: 3,923,803 km (0.098 R)
• M9: 4,344,771 km (0.055 R)

Asteroid Belt

Center: 1.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.8

Radius: 14.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.63 AU - 1.67 AU

Year: 1438 Days

Day: 11.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,365,743 km

• M1: 185,202 km (0.069 R)
• M2: 787,782 km (0.092 R)
• M3: 1,298,210 km (0.092 R)
• M4: 2,616,168 km (0.09 R)
• M5: 3,109,242 km (0.103 R)
• M6: 4,066,669 km (0.114 R)
• M7: 4,581,435 km (0.082 R)
• M8: 6,352,973 km (0.078 R)
• M9: 6,960,041 km (0.106 R)
• M10: 7,605,556 km (0.096 R)
• M11: 8,727,091 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 14.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.4 AU - 1.98 AU

Year: 1490 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,365,743 km

• M1: 179,069 km (0.087 R)
• M2: 677,529 km (0.054 R)
• M3: 1,388,268 km (0.051 R)
• M4: 1,962,275 km (0.079 R)
• M5: 2,508,307 km (0.063 R)
• M6: 3,232,511 km (0.066 R)
• M7: 4,185,449 km (0.073 R)
• M8: 5,166,362 km (0.06 R)
• M9: 6,052,580 km (0.106 R)
• M10: 7,667,788 km (0.089 R)
• M11: 8,305,225 km (0.111 R)
• M12: 9,327,577 km (0.07 R)
• M13: 10,293,979 km (0.06 R)
• M14: 11,399,807 km (0.076 R)
• M15: 13,103,427 km (0.074 R)
• M16: 14,315,619 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.6

Radius: 4.7

Gravity: 30.13 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.55 AU - 6.85 AU

Year: 9230 Days

Day: 17.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 37,365,743 km

• M1: 58,792 km (0.104 R)
• M2: 445,652 km (0.119 R)
• M3: 866,770 km (0.113 R)
• M4: 1,321,248 km (0.111 R)
• M5: 1,630,168 km (0.112 R)
• M6: 2,226,166 km (0.098 R)
• M7: 2,486,167 km (0.095 R)
• M8: 2,724,776 km (0.116 R)
• M9: 4,019,396 km (0.109 R)
• M10: 5,847,182 km (0.11 R)
• M11: 6,305,849 km (0.119 R)
• M12: 7,175,611 km (0.053 R)
• M13: 7,867,801 km (0.102 R)
• M14: 8,079,631 km (0.092 R)
• M15: 8,603,523 km (0.111 R)
• M16: 8,919,474 km (0.102 R)
• M17: 12,805,428 km (0.101 R)
• M18: 13,396,489 km (0.114 R)
• M19: 15,475,750 km (0.101 R)
• M20: 16,350,748 km (0.111 R)
• M21: 16,557,193 km (0.071 R)
• M22: 17,978,822 km (0.06 R)
• M23: 18,198,731 km (0.084 R)
• M24: 19,945,884 km (0.085 R)
• M25: 20,981,101 km (0.082 R)
• M26: 22,899,694 km (0.101 R)
• M27: 25,666,507 km (0.118 R)
• M28: 26,226,452 km (0.086 R)
• M29: 31,959,640 km (0.114 R)
• M30: 37,510,918 km (0.061 R)
• M31: 38,353,005 km (0.081 R)
• M32: 41,335,687 km (0.107 R)
• M33: 44,603,353 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.9

Radius: 4.2

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.37 AU - 7.67 AU

Year: 12615 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,365,743 km

• M1: 56,847 km (0.068 R)
• M2: 292,314 km (0.098 R)
• M3: 656,435 km (0.059 R)
• M4: 1,049,728 km (0.061 R)
• M5: 1,518,867 km (0.119 R)
• M6: 1,721,572 km (0.118 R)
• M7: 2,719,091 km (0.081 R)
• M8: 4,716,372 km (0.109 R)
• M9: 5,544,695 km (0.093 R)
• M10: 7,108,891 km (0.108 R)
• M11: 8,480,105 km (0.033 R)
• M12: 9,249,636 km (0.034 R)
• M13: 9,382,330 km (0.11 R)
• M14: 10,926,628 km (0.06 R)
• M15: 11,274,743 km (0.096 R)
• M16: 11,527,862 km (0.067 R)
• M17: 14,448,910 km (0.095 R)
• M18: 14,928,671 km (0.084 R)
• M19: 21,853,706 km (0.096 R)
• M20: 28,449,625 km (0.066 R)
• M21: 29,584,176 km (0.076 R)
• M22: 35,494,937 km (0.101 R)
• M23: 36,477,346 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 18,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit