🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.3

Radius: 10.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.47 AU - 0.61 AU

Year: 265 Days

Day: 5 Hours

Environment

Temp: -141 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,665,959 km

• M1: 131,796 km (0.039 R)
• M2: 544,985 km (0.066 R)
• M3: 1,204,562 km (0.102 R)
• M4: 1,548,338 km (0.075 R)
• M5: 2,274,785 km (0.111 R)
• M6: 2,608,837 km (0.09 R)
• M7: 3,112,085 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 9.2

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.89 AU - 1.23 AU

Year: 728 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,665,959 km

• M1: 114,442 km (0.082 R)
• M2: 481,107 km (0.056 R)
• M3: 776,712 km (0.06 R)
• M4: 1,073,814 km (0.082 R)
• M5: 1,434,943 km (0.086 R)
• M6: 1,901,838 km (0.102 R)
• M7: 2,630,529 km (0.105 R)
• M8: 3,047,907 km (0.069 R)
• M9: 3,445,837 km (0.114 R)
• M10: 3,891,789 km (0.089 R)
• M11: 4,601,930 km (0.046 R)
• M12: 5,834,915 km (0.077 R)
• M13: 6,373,767 km (0.107 R)
• M14: 6,744,470 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 13.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.19 AU - 1.83 AU

Year: 1237 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,665,959 km

• M1: 172,935 km (0.102 R)
• M2: 705,952 km (0.081 R)
• M3: 1,357,152 km (0.113 R)
• M4: 1,990,400 km (0.114 R)
• M5: 2,587,594 km (0.078 R)
• M6: 3,045,962 km (0.12 R)
• M7: 3,512,857 km (0.094 R)
• M8: 4,574,404 km (0.112 R)
• M9: 5,394,350 km (0.109 R)
• M10: 5,883,684 km (0.095 R)
• M11: 6,356,264 km (0.095 R)
• M12: 7,378,317 km (0.066 R)
• M13: 8,091,450 km (0.108 R)
• M14: 8,937,426 km (0.093 R)
• M15: 10,219,779 km (0.049 R)
• M16: 11,174,512 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 11.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.47 AU - 2.35 AU

Year: 1760 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 102.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,665,959 km

• M1: 145,559 km (0.052 R)
• M2: 615,595 km (0.109 R)
• M3: 1,345,334 km (0.107 R)
• M4: 2,446,972 km (0.074 R)
• M5: 2,944,086 km (0.109 R)
• M6: 3,695,666 km (0.114 R)
• M7: 5,289,033 km (0.093 R)
• M8: 5,750,692 km (0.08 R)
• M9: 6,125,734 km (0.078 R)
• M10: 6,949,719 km (0.059 R)
• M11: 7,504,577 km (0.062 R)
• M12: 9,652,055 km (0.119 R)
• M13: 10,375,809 km (0.093 R)
• M14: 11,511,556 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.7

Radius: 5.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.54 AU - 7.38 AU

Year: 9703 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,665,959 km

• M1: 78,240 km (0.116 R)
• M2: 521,648 km (0.082 R)
• M3: 1,031,627 km (0.113 R)
• M4: 1,275,023 km (0.073 R)
• M5: 4,519,052 km (0.032 R)
• M6: 5,074,509 km (0.118 R)
• M7: 5,695,789 km (0.09 R)
• M8: 6,114,813 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.1

Radius: 7.4

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.49 AU - 8.17 AU

Year: 14611 Days

Day: 25 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,665,959 km

• M1: 92,003 km (0.096 R)
• M2: 325,974 km (0.119 R)
• M3: 619,934 km (0.11 R)
• M4: 881,580 km (0.08 R)
• M5: 1,424,172 km (0.103 R)
• M6: 2,075,072 km (0.101 R)
• M7: 2,478,687 km (0.114 R)
• M8: 3,950,431 km (0.101 R)
• M9: 4,378,879 km (0.027 R)
• M10: 4,940,170 km (0.117 R)
• M11: 5,292,174 km (0.101 R)
• M12: 5,548,585 km (0.105 R)
• M13: 6,449,763 km (0.066 R)
• M14: 10,404,233 km (0.088 R)
• M15: 10,749,205 km (0.087 R)
• M16: 11,401,602 km (0.095 R)
• M17: 11,768,266 km (0.036 R)
• M18: 13,997,274 km (0.06 R)
• M19: 14,276,723 km (0.086 R)
• M20: 17,764,598 km (0.12 R)
• M21: 18,760,022 km (0.094 R)
• M22: 21,318,295 km (0.108 R)
• M23: 23,702,885 km (0.083 R)
• M24: 24,502,186 km (0.038 R)
• M25: 26,048,729 km (0.111 R)
• M26: 35,152,358 km (0.109 R)
• M27: 39,291,282 km (0.043 R)
• M28: 39,848,086 km (0.087 R)
• M29: 46,168,596 km (0.086 R)
• M30: 51,449,400 km (0.097 R)
• M31: 53,465,381 km (0.047 R)
• M32: 55,533,422 km (0.074 R)
• M33: 61,868,892 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.1

Radius: 7

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.57 AU - 12.41 AU

Year: 21056 Days

Day: 24.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,665,959 km

• M1: 88,263 km (0.079 R)
• M2: 434,283 km (0.03 R)
• M3: 854,802 km (0.066 R)
• M4: 1,448,407 km (0.08 R)
• M5: 2,668,826 km (0.056 R)
• M6: 3,154,421 km (0.115 R)
• M7: 3,532,754 km (0.079 R)
• M8: 5,026,040 km (0.089 R)
• M9: 5,356,651 km (0.068 R)
• M10: 9,281,501 km (0.11 R)
• M11: 10,977,941 km (0.088 R)
• M12: 11,228,816 km (0.098 R)
• M13: 12,324,770 km (0.064 R)
• M14: 14,788,647 km (0.1 R)
• M15: 16,690,186 km (0.102 R)
• M16: 17,562,640 km (0.081 R)
• M17: 29,835,051 km (0.104 R)
• M18: 30,422,821 km (0.077 R)
• M19: 35,079,653 km (0.097 R)
• M20: 36,843,712 km (0.072 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 16,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit