🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.5

Radius: 13.8

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.61 AU - 0.71 AU

Year: 364 Days

Day: 13.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,507,833 km

• M1: 171,589 km (0.067 R)
• M2: 682,615 km (0.064 R)
• M3: 1,155,045 km (0.097 R)
• M4: 1,588,729 km (0.092 R)
• M5: 2,653,567 km (0.117 R)
• M6: 3,178,506 km (0.103 R)
• M7: 3,611,442 km (0.063 R)
• M8: 4,044,079 km (0.102 R)
• M9: 4,729,387 km (0.111 R)
• M10: 5,217,824 km (0.1 R)
• M11: 5,756,825 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.7

Radius: 12.5

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.44 AU - 2.04 AU

Year: 1557 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,507,833 km

• M1: 155,432 km (0.11 R)
• M2: 787,034 km (0.076 R)
• M3: 1,335,610 km (0.084 R)
• M4: 1,834,668 km (0.087 R)
• M5: 2,850,139 km (0.105 R)
• M6: 4,193,827 km (0.104 R)
• M7: 4,725,049 km (0.101 R)
• M8: 5,842,694 km (0.087 R)
• M9: 6,399,947 km (0.078 R)
• M10: 7,549,905 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.4

Radius: 8.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.97 AU - 2.07 AU

Year: 1947 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,507,833 km

• M1: 102,175 km (0.061 R)
• M2: 428,747 km (0.069 R)
• M3: 1,652,308 km (0.055 R)
• M4: 2,632,324 km (0.094 R)
• M5: 3,636,575 km (0.07 R)
• M6: 4,155,829 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 14.8

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.73 AU - 5.15 AU

Year: 6345 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,507,833 km

• M1: 184,005 km (0.114 R)
• M2: 734,226 km (0.112 R)
• M3: 1,572,573 km (0.045 R)
• M4: 4,250,076 km (0.1 R)
• M5: 4,883,922 km (0.031 R)
• M6: 8,885,216 km (0.106 R)
• M7: 9,836,808 km (0.1 R)
• M8: 10,759,827 km (0.106 R)
• M9: 13,486,547 km (0.061 R)
• M10: 15,159,650 km (0.107 R)
• M11: 16,202,646 km (0.1 R)
• M12: 17,889,661 km (0.089 R)
• M13: 20,269,315 km (0.12 R)
• M14: 21,383,520 km (0.083 R)
• M15: 22,695,194 km (0.072 R)
• M16: 25,992,780 km (0.083 R)
• M17: 26,952,899 km (0.067 R)
• M18: 32,012,598 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.4

Radius: 7.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.35 AU - 6.59 AU

Year: 11162 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,507,833 km

• M1: 93,050 km (0.051 R)
• M2: 477,516 km (0.083 R)
• M3: 891,454 km (0.051 R)
• M4: 1,828,984 km (0.075 R)
• M5: 2,123,542 km (0.066 R)
• M6: 3,543,076 km (0.104 R)
• M7: 3,791,259 km (0.11 R)
• M8: 4,198,015 km (0.094 R)
• M9: 4,659,974 km (0.066 R)
• M10: 5,014,221 km (0.057 R)
• M11: 5,445,213 km (0.065 R)
• M12: 6,283,111 km (0.109 R)
• M13: 11,258,885 km (0.113 R)
• M14: 11,501,683 km (0.111 R)
• M15: 12,251,318 km (0.073 R)
• M16: 13,354,752 km (0.094 R)
• M17: 17,903,424 km (0.11 R)
• M18: 18,301,205 km (0.112 R)
• M19: 19,183,533 km (0.057 R)
• M20: 22,303,696 km (0.106 R)
• M21: 22,919,441 km (0.035 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.3

Radius: 7.8

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.53 AU - 9.73 AU

Year: 17195 Days

Day: 22.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,507,833 km

• M1: 97,089 km (0.119 R)
• M2: 671,096 km (0.094 R)
• M3: 1,129,165 km (0.079 R)
• M4: 1,637,797 km (0.097 R)
• M5: 2,290,792 km (0.061 R)
• M6: 2,892,026 km (0.109 R)
• M7: 4,191,583 km (0.082 R)
• M8: 5,192,392 km (0.101 R)
• M9: 6,916,807 km (0.095 R)
• M10: 8,743,098 km (0.071 R)
• M11: 9,297,059 km (0.104 R)
• M12: 15,671,125 km (0.095 R)
• M13: 16,337,583 km (0.082 R)
• M14: 18,045,692 km (0.075 R)
• M15: 19,784,169 km (0.06 R)
• M16: 20,041,328 km (0.037 R)
• M17: 21,271,022 km (0.112 R)
• M18: 23,208,763 km (0.111 R)
• M19: 27,009,148 km (0.085 R)
• M20: 28,182,294 km (0.077 R)
• M21: 31,437,095 km (0.119 R)
• M22: 40,722,036 km (0.112 R)
• M23: 46,359,483 km (0.114 R)
• M24: 51,034,416 km (0.112 R)
• M25: 54,152,185 km (0.12 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: 550 - 11,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit