🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.8 AU - 0.86 AU

Year: 278 Days

Day: 45.2 Hours

Environment

Temp: 91 °C

Axial Tilt: 41.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.03 AU - 1.09 AU

Year: 401 Days

Day: 17.5 Hours

Environment

Temp: 18 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,702,996 km

• M1: 25,132 km (0.117 R)

Asteroid Belt

Center: 2.91 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 11.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.94 AU - 5.56 AU

Year: 3800 Days

Day: 11.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,702,996 km

• M1: 147,952 km (0.05 R)
• M2: 603,777 km (0.094 R)
• M3: 1,122,732 km (0.082 R)
• M4: 2,132,518 km (0.119 R)
• M5: 4,285,530 km (0.103 R)
• M6: 4,868,064 km (0.1 R)
• M7: 5,293,969 km (0.077 R)
• M8: 5,771,935 km (0.095 R)
• M9: 6,192,155 km (0.12 R)
• M10: 7,577,282 km (0.12 R)
• M11: 8,185,846 km (0.109 R)
• M12: 8,899,877 km (0.087 R)
• M13: 10,008,546 km (0.11 R)
• M14: 10,411,563 km (0.042 R)
• M15: 10,783,463 km (0.1 R)
• M16: 12,638,178 km (0.117 R)
• M17: 13,739,667 km (0.114 R)
• M18: 14,852,077 km (0.052 R)
• M19: 16,857,137 km (0.058 R)
• M20: 17,486,495 km (0.106 R)
• M21: 18,975,293 km (0.118 R)
• M22: 20,289,810 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 11.2

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.28 AU - 5.68 AU

Year: 4080 Days

Day: 6.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,702,996 km

• M1: 139,276 km (0.093 R)
• M2: 595,998 km (0.061 R)
• M3: 1,031,328 km (0.056 R)
• M4: 2,367,985 km (0.103 R)
• M5: 2,802,866 km (0.105 R)
• M6: 3,177,758 km (0.099 R)
• M7: 3,730,223 km (0.054 R)
• M8: 4,605,670 km (0.108 R)
• M9: 6,154,456 km (0.1 R)
• M10: 6,855,921 km (0.112 R)
• M11: 9,558,257 km (0.073 R)
• M12: 10,331,528 km (0.118 R)
• M13: 12,376,381 km (0.11 R)
• M14: 13,146,960 km (0.046 R)
• M15: 13,544,142 km (0.075 R)
• M16: 14,624,837 km (0.102 R)
• M17: 15,267,809 km (0.115 R)
• M18: 16,783,385 km (0.078 R)
• M19: 17,727,497 km (0.045 R)
• M20: 18,957,042 km (0.055 R)
• M21: 24,002,978 km (0.109 R)
• M22: 24,822,326 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.7

Radius: 8.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.2 AU - 7.74 AU

Year: 6041 Days

Day: 5.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,702,996 km

• M1: 102,026 km (0.077 R)
• M2: 631,303 km (0.097 R)
• M3: 1,040,603 km (0.107 R)
• M4: 1,459,776 km (0.028 R)
• M5: 2,584,004 km (0.104 R)
• M6: 4,944,359 km (0.112 R)
• M7: 5,448,055 km (0.085 R)
• M8: 6,205,020 km (0.1 R)
• M9: 8,463,649 km (0.091 R)
• M10: 9,543,297 km (0.114 R)
• M11: 10,047,891 km (0.102 R)
• M12: 11,073,534 km (0.059 R)
• M13: 13,248,986 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.1

Radius: 14.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.78 AU - 7.6 AU

Year: 6352 Days

Day: 7.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,702,996 km

• M1: 176,525 km (0.089 R)
• M2: 641,027 km (0.066 R)
• M3: 1,593,367 km (0.065 R)
• M4: 2,862,854 km (0.052 R)
• M5: 3,738,451 km (0.098 R)
• M6: 5,565,938 km (0.056 R)
• M7: 7,651,931 km (0.097 R)
• M8: 13,879,990 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 14.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.1 AU - 8.34 AU

Year: 8651 Days

Day: 12.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,702,996 km

• M1: 185,501 km (0.035 R)
• M2: 720,463 km (0.099 R)
• M3: 1,314,816 km (0.114 R)
• M4: 1,797,568 km (0.08 R)
• M5: 2,286,155 km (0.03 R)
• M6: 4,195,921 km (0.081 R)
• M7: 5,939,484 km (0.115 R)
• M8: 6,459,486 km (0.061 R)
• M9: 7,443,092 km (0.098 R)
• M10: 8,009,919 km (0.118 R)
• M11: 9,359,292 km (0.102 R)
• M12: 14,033,477 km (0.079 R)
• M13: 17,853,309 km (0.114 R)
• M14: 20,656,923 km (0.057 R)
• M15: 21,627,963 km (0.062 R)
• M16: 23,181,387 km (0.097 R)
• M17: 25,226,240 km (0.063 R)
• M18: 25,905,265 km (0.112 R)
• M19: 26,946,765 km (0.111 R)
• M20: 29,485,292 km (0.1 R)
• M21: 29,954,879 km (0.116 R)
• M22: 30,812,673 km (0.086 R)
• M23: 31,686,774 km (0.089 R)
• M24: 32,878,022 km (0.063 R)
• M25: 34,098,740 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.3

Radius: 5.6

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 13.43 AU - 18.71 AU

Year: 23648 Days

Day: 18.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,702,996 km

• M1: 74,649 km (0.104 R)
• M2: 484,847 km (0.113 R)
• M3: 713,283 km (0.047 R)
• M4: 977,323 km (0.117 R)
• M5: 1,519,017 km (0.1 R)
• M6: 2,179,491 km (0.11 R)
• M7: 2,691,864 km (0.117 R)
• M8: 2,989,265 km (0.105 R)
• M9: 3,921,708 km (0.071 R)
• M10: 4,997,466 km (0.026 R)
• M11: 6,514,688 km (0.115 R)
• M12: 6,914,563 km (0.04 R)
• M13: 7,473,012 km (0.07 R)
• M14: 9,273,871 km (0.077 R)
• M15: 9,496,473 km (0.057 R)
• M16: 9,722,665 km (0.045 R)
• M17: 10,068,834 km (0.036 R)
• M18: 10,482,921 km (0.106 R)
• M19: 14,962,929 km (0.069 R)
• M20: 16,619,127 km (0.119 R)
• M21: 17,533,768 km (0.11 R)
• M22: 17,960,421 km (0.11 R)
• M23: 19,191,761 km (0.065 R)
• M24: 22,116,848 km (0.109 R)
• M25: 24,364,257 km (0.077 R)
• M26: 24,575,789 km (0.069 R)
• M27: 29,306,971 km (0.062 R)
• M28: 30,885,827 km (0.03 R)
• M29: 32,392,876 km (0.113 R)
• M30: 36,511,754 km (0.117 R)
• M31: 37,347,408 km (0.047 R)
• M32: 45,770,217 km (0.057 R)
• M33: 47,726,209 km (0.11 R)
• M34: 48,557,374 km (0.037 R)
• M35: 53,213,309 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 14,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit