🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.8

Radius: 13.7

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.71 AU - 0.91 AU

Year: 494 Days

Day: 12.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 86.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,795,976 km

• M1: 170,392 km (0.079 R)
• M2: 641,326 km (0.056 R)
• M3: 1,185,862 km (0.108 R)
• M4: 1,970,054 km (0.089 R)
• M5: 2,416,754 km (0.072 R)
• M6: 3,222,039 km (0.085 R)
• M7: 3,737,553 km (0.119 R)
• M8: 4,515,462 km (0.034 R)
• M9: 5,398,987 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 14.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.8 AU - 1.08 AU

Year: 618 Days

Day: 6.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 36,795,976 km

• M1: 182,809 km (0.11 R)
• M2: 662,868 km (0.091 R)
• M3: 1,168,659 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.4

Radius: 10.3

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.23 AU - 3.13 AU

Year: 2976 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,795,976 km

• M1: 128,205 km (0.066 R)
• M2: 470,336 km (0.103 R)
• M3: 910,303 km (0.091 R)
• M4: 1,356,254 km (0.06 R)
• M5: 1,718,880 km (0.108 R)
• M6: 2,066,994 km (0.045 R)
• M7: 3,670,085 km (0.107 R)
• M8: 4,329,213 km (0.065 R)
• M9: 4,757,511 km (0.036 R)
• M10: 5,343,337 km (0.073 R)
• M11: 6,166,723 km (0.051 R)
• M12: 6,941,491 km (0.068 R)
• M13: 7,807,962 km (0.071 R)
• M14: 8,836,597 km (0.112 R)
• M15: 9,431,547 km (0.05 R)
• M16: 10,288,743 km (0.096 R)
• M17: 13,374,648 km (0.103 R)
• M18: 13,866,675 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.2

Radius: 10.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.04 AU - 3.46 AU

Year: 3974 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,795,976 km

• M1: 128,056 km (0.111 R)
• M2: 975,827 km (0.075 R)
• M3: 1,406,519 km (0.117 R)
• M4: 1,860,848 km (0.112 R)
• M5: 2,742,727 km (0.109 R)
• M6: 3,439,554 km (0.104 R)
• M7: 4,052,606 km (0.092 R)
• M8: 4,907,409 km (0.117 R)
• M9: 5,470,196 km (0.096 R)
• M10: 7,034,989 km (0.118 R)
• M11: 7,684,095 km (0.09 R)
• M12: 8,266,778 km (0.052 R)
• M13: 8,623,270 km (0.092 R)
• M14: 9,443,515 km (0.084 R)
• M15: 10,561,909 km (0.064 R)
• M16: 11,282,671 km (0.03 R)
• M17: 12,355,737 km (0.109 R)
• M18: 14,141,188 km (0.078 R)
• M19: 14,497,530 km (0.086 R)
• M20: 15,656,315 km (0.099 R)
• M21: 17,625,771 km (0.112 R)
• M22: 19,754,848 km (0.097 R)
• M23: 21,846,675 km (0.04 R)
• M24: 22,737,231 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.7

Radius: 14.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.39 AU - 5.13 AU

Year: 5964 Days

Day: 11.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,795,976 km

• M1: 179,667 km (0.082 R)
• M2: 728,242 km (0.117 R)
• M3: 1,276,519 km (0.112 R)
• M4: 2,698,147 km (0.114 R)
• M5: 3,155,318 km (0.086 R)
• M6: 3,811,155 km (0.1 R)
• M7: 4,702,459 km (0.078 R)
• M8: 6,132,166 km (0.073 R)
• M9: 6,804,459 km (0.096 R)
• M10: 11,510,509 km (0.12 R)
• M11: 22,117,896 km (0.097 R)
• M12: 22,900,592 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.4

Radius: 8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.11 AU - 7.93 AU

Year: 13987 Days

Day: 19.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,795,976 km

• M1: 100,081 km (0.041 R)
• M2: 588,069 km (0.085 R)
• M3: 887,863 km (0.068 R)
• M4: 1,268,440 km (0.108 R)
• M5: 2,097,213 km (0.091 R)
• M6: 2,916,560 km (0.068 R)
• M7: 4,082,227 km (0.108 R)
• M8: 4,469,835 km (0.09 R)
• M9: 5,229,642 km (0.097 R)
• M10: 7,039,477 km (0.086 R)
• M11: 12,312,503 km (0.073 R)
• M12: 12,903,415 km (0.104 R)
• M13: 14,258,023 km (0.073 R)
• M14: 18,888,078 km (0.082 R)
• M15: 21,849,667 km (0.091 R)
• M16: 24,181,000 km (0.102 R)
• M17: 24,515,052 km (0.092 R)
• M18: 26,144,173 km (0.118 R)
• M19: 26,496,176 km (0.085 R)
• M20: 27,935,607 km (0.108 R)
• M21: 28,955,117 km (0.117 R)
• M22: 35,598,309 km (0.09 R)
• M23: 36,466,725 km (0.07 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 18,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit