🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.2

Radius: 11.5

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.39 AU - 2.93 AU

Year: 1981 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,312,041 km

• M1: 143,016 km (0.12 R)
• M2: 695,929 km (0.112 R)
• M3: 1,071,270 km (0.098 R)
• M4: 1,887,626 km (0.091 R)
• M5: 2,302,311 km (0.101 R)
• M6: 2,799,575 km (0.05 R)
• M7: 4,445,750 km (0.08 R)
• M8: 5,007,639 km (0.108 R)
• M9: 6,641,547 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.6

Radius: 8.9

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.69 AU - 4.69 AU

Year: 4637 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,312,041 km

• M1: 111,899 km (0.106 R)
• M2: 394,938 km (0.101 R)
• M3: 735,423 km (0.083 R)
• M4: 1,682,527 km (0.084 R)
• M5: 2,005,509 km (0.095 R)
• M6: 2,323,853 km (0.105 R)
• M7: 3,549,658 km (0.064 R)
• M8: 4,529,076 km (0.112 R)
• M9: 5,347,675 km (0.116 R)
• M10: 5,821,003 km (0.114 R)
• M11: 7,242,631 km (0.075 R)
• M12: 9,269,682 km (0.115 R)
• M13: 11,511,556 km (0.06 R)
• M14: 12,588,511 km (0.089 R)
• M15: 16,107,652 km (0.052 R)
• M16: 20,768,373 km (0.089 R)
• M17: 22,932,606 km (0.054 R)
• M18: 26,573,668 km (0.117 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.1

Radius: 6.1

Gravity: 17.52 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.3 AU - 11.4 AU

Year: 13053 Days

Day: 23.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,312,041 km

• M1: 75,846 km (0.117 R)
• M2: 567,574 km (0.115 R)
• M3: 1,207,704 km (0.102 R)
• M4: 1,624,932 km (0.093 R)
• M5: 1,884,484 km (0.116 R)
• M6: 2,078,812 km (0.078 R)
• M7: 2,549,746 km (0.099 R)
• M8: 4,154,183 km (0.119 R)
• M9: 5,622,038 km (0.1 R)
• M10: 6,373,916 km (0.052 R)
• M11: 9,587,279 km (0.044 R)
• M12: 11,335,779 km (0.12 R)
• M13: 12,346,163 km (0.11 R)
• M14: 12,967,891 km (0.075 R)
• M15: 14,139,243 km (0.103 R)
• M16: 15,664,543 km (0.038 R)
• M17: 17,067,471 km (0.116 R)
• M18: 17,838,499 km (0.119 R)
• M19: 18,875,362 km (0.091 R)
• M20: 20,036,241 km (0.097 R)
• M21: 20,461,997 km (0.09 R)
• M22: 21,955,283 km (0.12 R)
• M23: 23,803,265 km (0.111 R)
• M24: 28,656,819 km (0.104 R)
• M25: 28,980,399 km (0.115 R)
• M26: 31,772,045 km (0.093 R)
• M27: 34,616,050 km (0.112 R)
• M28: 40,397,409 km (0.027 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.5

Radius: 5.3

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 9.14 AU - 13.56 AU

Year: 17458 Days

Day: 15.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,312,041 km

• M1: 66,721 km (0.036 R)
• M2: 266,135 km (0.114 R)
• M3: 502,649 km (0.114 R)
• M4: 1,196,484 km (0.066 R)
• M5: 1,363,884 km (0.119 R)
• M6: 1,699,133 km (0.088 R)
• M7: 1,878,052 km (0.075 R)
• M8: 4,772,621 km (0.11 R)
• M9: 5,648,816 km (0.035 R)
• M10: 7,368,144 km (0.026 R)
• M11: 8,627,758 km (0.039 R)
• M12: 16,751,371 km (0.1 R)
• M13: 17,349,763 km (0.11 R)
• M14: 18,274,128 km (0.116 R)
• M15: 20,388,843 km (0.111 R)
• M16: 21,157,178 km (0.07 R)
• M17: 22,751,742 km (0.083 R)
• M18: 23,392,918 km (0.086 R)
• M19: 27,494,892 km (0.103 R)
• M20: 28,013,099 km (0.116 R)
• M21: 34,388,511 km (0.116 R)
• M22: 34,628,167 km (0.118 R)
• M23: 37,465,889 km (0.082 R)
• M24: 39,006,298 km (0.114 R)
• M25: 50,522,642 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.4

Radius: 6.9

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 10.87 AU - 12.89 AU

Year: 18695 Days

Day: 17.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,312,041 km

• M1: 89,460 km (0.107 R)
• M2: 346,020 km (0.078 R)
• M3: 655,687 km (0.096 R)
• M4: 930,050 km (0.089 R)
• M5: 1,337,704 km (0.116 R)
• M6: 1,970,653 km (0.029 R)
• M7: 2,269,848 km (0.107 R)
• M8: 2,910,127 km (0.116 R)
• M9: 3,841,823 km (0.057 R)
• M10: 5,868,126 km (0.112 R)
• M11: 7,340,020 km (0.1 R)
• M12: 7,719,250 km (0.097 R)
• M13: 10,689,815 km (0.101 R)
• M14: 11,552,396 km (0.089 R)
• M15: 12,065,816 km (0.103 R)
• M16: 12,728,834 km (0.089 R)
• M17: 14,863,446 km (0.046 R)
• M18: 16,492,567 km (0.112 R)
• M19: 19,646,240 km (0.112 R)
• M20: 22,979,280 km (0.056 R)
• M21: 29,537,352 km (0.118 R)
• M22: 30,134,397 km (0.074 R)
• M23: 31,229,154 km (0.071 R)
• M24: 34,016,461 km (0.1 R)
• M25: 36,417,058 km (0.12 R)
• M26: 42,151,294 km (0.084 R)
• M27: 48,624,544 km (0.117 R)
• M28: 54,114,487 km (0.097 R)
• M29: 57,192,463 km (0.113 R)
• M30: 61,539,926 km (0.066 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: 430 - 17,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit