🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 13.2

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.63 AU - 0.89 AU

Year: 457 Days

Day: 11.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,555,457 km

• M1: 164,109 km (0.057 R)
• M2: 633,697 km (0.099 R)
• M3: 1,137,692 km (0.088 R)
• M4: 1,974,991 km (0.104 R)
• M5: 2,390,873 km (0.038 R)
• M6: 2,937,354 km (0.111 R)
• M7: 3,496,252 km (0.116 R)
• M8: 3,996,507 km (0.09 R)
• M9: 4,586,521 km (0.117 R)
• M10: 5,006,742 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.1

Radius: 8.8

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.77 AU - 0.91 AU

Year: 531 Days

Day: 9.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,555,457 km

• M1: 109,506 km (0.112 R)
• M2: 441,164 km (0.113 R)
• M3: 996,920 km (0.12 R)
• M4: 1,370,616 km (0.07 R)
• M5: 1,796,670 km (0.075 R)
• M6: 2,281,068 km (0.048 R)
• M7: 2,616,168 km (0.072 R)
• M8: 2,927,780 km (0.099 R)
• M9: 3,264,375 km (0.088 R)
• M10: 3,974,067 km (0.113 R)
• M11: 5,218,273 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 8.3

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.85 AU - 2.93 AU

Year: 3391 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,555,457 km

• M1: 103,522 km (0.08 R)
• M2: 377,585 km (0.099 R)
• M3: 717,621 km (0.085 R)
• M4: 1,660,985 km (0.094 R)
• M5: 2,225,867 km (0.087 R)
• M6: 2,680,495 km (0.084 R)
• M7: 3,419,508 km (0.097 R)
• M8: 4,894,992 km (0.081 R)
• M9: 5,193,888 km (0.099 R)
• M10: 7,574,739 km (0.12 R)
• M11: 7,941,553 km (0.113 R)
• M12: 8,746,987 km (0.08 R)
• M13: 12,565,623 km (0.081 R)
• M14: 13,415,039 km (0.114 R)
• M15: 14,863,296 km (0.1 R)
• M16: 16,083,865 km (0.103 R)
• M17: 17,658,383 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.9

Radius: 12.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.85 AU - 4.77 AU

Year: 6176 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,555,457 km

• M1: 160,369 km (0.064 R)
• M2: 699,819 km (0.111 R)
• M3: 1,415,345 km (0.1 R)
• M4: 2,752,750 km (0.109 R)
• M5: 3,322,868 km (0.103 R)
• M6: 4,218,361 km (0.083 R)
• M7: 4,786,683 km (0.077 R)
• M8: 5,268,687 km (0.113 R)
• M9: 6,460,085 km (0.068 R)
• M10: 7,646,994 km (0.05 R)
• M11: 8,401,117 km (0.119 R)
• M12: 9,744,805 km (0.088 R)
• M13: 10,235,038 km (0.101 R)
• M14: 12,121,915 km (0.073 R)
• M15: 12,813,357 km (0.099 R)
• M16: 13,877,895 km (0.078 R)
• M17: 15,232,055 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.6

Radius: 11.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.97 AU - 6.13 AU

Year: 7833 Days

Day: 11.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 65.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,555,457 km

• M1: 147,952 km (0.11 R)
• M2: 715,975 km (0.041 R)
• M3: 1,091,616 km (0.051 R)
• M4: 2,344,348 km (0.052 R)
• M5: 4,104,218 km (0.045 R)
• M6: 7,697,259 km (0.075 R)
• M7: 8,424,754 km (0.119 R)
• M8: 12,768,926 km (0.108 R)
• M9: 13,672,797 km (0.108 R)
• M10: 15,607,995 km (0.097 R)
• M11: 16,707,240 km (0.028 R)
• M12: 33,772,916 km (0.089 R)
• M13: 36,606,898 km (0.079 R)
• M14: 37,738,008 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.9

Radius: 6.9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.18 AU - 8.06 AU

Year: 11757 Days

Day: 18.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,555,457 km

• M1: 86,168 km (0.091 R)
• M2: 452,384 km (0.078 R)
• M3: 679,773 km (0.11 R)
• M4: 903,422 km (0.066 R)
• M5: 1,638,246 km (0.11 R)
• M6: 1,956,441 km (0.117 R)
• M7: 2,213,450 km (0.086 R)
• M8: 2,492,899 km (0.098 R)
• M9: 2,795,835 km (0.088 R)
• M10: 3,296,239 km (0.082 R)
• M11: 4,313,655 km (0.111 R)
• M12: 4,723,403 km (0.103 R)
• M13: 5,188,802 km (0.108 R)
• M14: 5,716,284 km (0.107 R)
• M15: 8,817,747 km (0.088 R)
• M16: 10,076,165 km (0.099 R)
• M17: 11,145,640 km (0.049 R)
• M18: 13,337,548 km (0.089 R)
• M19: 14,806,449 km (0.088 R)
• M20: 15,485,773 km (0.081 R)
• M21: 15,737,846 km (0.104 R)
• M22: 17,511,927 km (0.104 R)
• M23: 18,482,518 km (0.058 R)
• M24: 19,052,785 km (0.105 R)
• M25: 20,911,090 km (0.117 R)
• M26: 23,627,637 km (0.109 R)
• M27: 30,829,877 km (0.048 R)
• M28: 33,592,202 km (0.115 R)
• M29: 34,121,330 km (0.106 R)
• M30: 34,548,581 km (0.078 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: 478 - 18,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit