🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.51 AU - 0.63 AU

Year: 164 Days

Day: 44.7 Hours

Environment

Temp: 161 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.12 AU - 3.02 AU

Year: 1569 Days

Day: 41.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,974,300 km

• M1: 552,016 km (0.11 R)

Asteroid Belt

Center: 3.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 11.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.57 AU - 5.07 AU

Year: 3419 Days

Day: 9.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,974,300 km

• M1: 146,157 km (0.089 R)
• M2: 775,665 km (0.098 R)
• M3: 1,346,530 km (0.105 R)
• M4: 1,757,177 km (0.086 R)
• M5: 2,199,986 km (0.115 R)
• M6: 2,613,475 km (0.115 R)
• M7: 3,491,016 km (0.107 R)
• M8: 3,998,601 km (0.082 R)
• M9: 5,000,159 km (0.117 R)
• M10: 5,474,235 km (0.1 R)
• M11: 6,215,044 km (0.114 R)
• M12: 6,651,570 km (0.114 R)
• M13: 7,345,106 km (0.078 R)
• M14: 10,009,145 km (0.112 R)
• M15: 10,881,300 km (0.055 R)
• M16: 11,476,849 km (0.116 R)
• M17: 13,711,243 km (0.106 R)
• M18: 14,265,653 km (0.106 R)
• M19: 15,320,617 km (0.029 R)
• M20: 15,917,513 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.1

Radius: 11.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.74 AU - 5.26 AU

Year: 4257 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,974,300 km

• M1: 139,425 km (0.108 R)
• M2: 489,933 km (0.113 R)
• M3: 961,017 km (0.105 R)
• M4: 1,527,544 km (0.05 R)
• M5: 2,789,851 km (0.076 R)
• M6: 4,355,093 km (0.103 R)
• M7: 5,117,893 km (0.101 R)
• M8: 6,602,951 km (0.082 R)
• M9: 7,108,592 km (0.093 R)
• M10: 7,639,814 km (0.059 R)
• M11: 8,261,094 km (0.088 R)
• M12: 8,815,503 km (0.095 R)
• M13: 9,711,146 km (0.069 R)
• M14: 12,340,478 km (0.093 R)
• M15: 13,954,639 km (0.092 R)
• M16: 15,656,016 km (0.113 R)
• M17: 17,019,899 km (0.109 R)
• M18: 17,491,731 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 12

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.73 AU - 8.29 AU

Year: 7068 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,974,300 km

• M1: 149,448 km (0.065 R)
• M2: 632,500 km (0.068 R)
• M3: 1,089,671 km (0.117 R)
• M4: 1,740,721 km (0.047 R)
• M5: 3,806,069 km (0.077 R)
• M6: 4,516,210 km (0.043 R)
• M7: 5,553,671 km (0.107 R)
• M8: 6,617,611 km (0.069 R)
• M9: 9,303,641 km (0.033 R)
• M10: 11,442,592 km (0.103 R)
• M11: 12,452,676 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.1

Radius: 14.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.61 AU - 8.27 AU

Year: 8520 Days

Day: 13.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,974,300 km

• M1: 207,043 km (0.097 R)
• M2: 697,126 km (0.097 R)
• M3: 1,375,552 km (0.09 R)
• M4: 2,015,981 km (0.077 R)
• M5: 2,586,098 km (0.092 R)
• M6: 3,883,710 km (0.085 R)
• M7: 6,610,730 km (0.061 R)
• M8: 8,003,935 km (0.109 R)
• M9: 8,834,502 km (0.08 R)
• M10: 9,449,649 km (0.098 R)
• M11: 10,282,310 km (0.087 R)
• M12: 11,468,173 km (0.109 R)
• M13: 15,955,660 km (0.082 R)
• M14: 17,204,204 km (0.109 R)
• M15: 28,773,654 km (0.113 R)
• M16: 29,736,466 km (0.073 R)
• M17: 31,020,166 km (0.115 R)
• M18: 33,276,102 km (0.092 R)
• M19: 37,540,838 km (0.054 R)
• M20: 38,923,122 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 10.6

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.32 AU - 8.7 AU

Year: 9453 Days

Day: 14.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,974,300 km

• M1: 132,394 km (0.118 R)
• M2: 548,575 km (0.091 R)
• M3: 968,646 km (0.093 R)
• M4: 2,321,011 km (0.119 R)
• M5: 2,871,681 km (0.048 R)
• M6: 3,320,026 km (0.067 R)
• M7: 4,235,565 km (0.087 R)
• M8: 5,006,442 km (0.116 R)
• M9: 6,792,491 km (0.073 R)
• M10: 7,202,240 km (0.083 R)
• M11: 8,071,553 km (0.087 R)
• M12: 17,645,368 km (0.092 R)
• M13: 21,756,318 km (0.054 R)
• M14: 24,033,496 km (0.1 R)
• M15: 24,987,332 km (0.12 R)
• M16: 28,262,030 km (0.076 R)
• M17: 29,056,394 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.3

Radius: 10.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.85 AU - 12.45 AU

Year: 15142 Days

Day: 6.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,974,300 km

• M1: 129,402 km (0.083 R)
• M2: 593,604 km (0.1 R)
• M3: 961,765 km (0.077 R)
• M4: 2,078,812 km (0.099 R)
• M5: 2,502,772 km (0.084 R)
• M6: 4,438,569 km (0.115 R)
• M7: 5,015,269 km (0.11 R)
• M8: 7,248,466 km (0.052 R)
• M9: 8,946,252 km (0.105 R)
• M10: 16,944,801 km (0.084 R)
• M11: 17,304,734 km (0.075 R)
• M12: 20,641,065 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.9

Radius: 5.3

Gravity: 19.97 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 12.17 AU - 12.25 AU

Year: 16247 Days

Day: 18.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,974,300 km

• M1: 66,272 km (0.119 R)
• M2: 464,352 km (0.082 R)
• M3: 1,484,011 km (0.117 R)
• M4: 1,805,198 km (0.109 R)
• M5: 1,982,471 km (0.118 R)
• M6: 2,290,643 km (0.103 R)
• M7: 2,652,520 km (0.109 R)
• M8: 3,436,263 km (0.069 R)
• M9: 3,968,981 km (0.068 R)
• M10: 4,364,069 km (0.063 R)
• M11: 5,197,030 km (0.042 R)
• M12: 5,375,500 km (0.08 R)
• M13: 7,128,638 km (0.098 R)
• M14: 9,178,727 km (0.055 R)
• M15: 10,764,165 km (0.034 R)
• M16: 14,607,334 km (0.098 R)
• M17: 18,936,846 km (0.092 R)
• M18: 20,848,707 km (0.09 R)
• M19: 21,028,673 km (0.084 R)
• M20: 24,447,434 km (0.091 R)
• M21: 28,109,440 km (0.07 R)
• M22: 30,013,222 km (0.077 R)
• M23: 31,407,774 km (0.078 R)
• M24: 34,955,038 km (0.051 R)
• M25: 39,443,124 km (0.08 R)
• M26: 46,411,393 km (0.087 R)
• M27: 51,650,310 km (0.095 R)
• M28: 52,476,988 km (0.068 R)
• M29: 56,219,179 km (0.049 R)
• M30: 58,870,352 km (0.094 R)
• M31: 60,500,371 km (0.046 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 14,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit