🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.38 AU - 0.62 AU

Year: 232 Days

Day: 21.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 11.3

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.65 AU - 0.81 AU

Year: 409 Days

Day: 5.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,196,253 km

• M1: 141,071 km (0.077 R)
• M2: 602,879 km (0.107 R)
• M3: 1,080,845 km (0.064 R)
• M4: 1,515,127 km (0.086 R)
• M5: 1,926,671 km (0.115 R)
• M6: 2,284,060 km (0.07 R)
• M7: 2,645,938 km (0.112 R)
• M8: 3,192,568 km (0.1 R)
• M9: 3,672,927 km (0.061 R)
• M10: 4,383,816 km (0.089 R)
• M11: 5,088,871 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.1

Radius: 9.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.87 AU - 1.15 AU

Year: 666 Days

Day: 11.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,196,253 km

• M1: 118,332 km (0.102 R)
• M2: 426,504 km (0.073 R)
• M3: 928,105 km (0.083 R)
• M4: 1,417,290 km (0.083 R)
• M5: 1,782,459 km (0.103 R)
• M6: 2,219,284 km (0.072 R)
• M7: 2,516,835 km (0.109 R)
• M8: 3,091,590 km (0.068 R)
• M9: 3,513,605 km (0.11 R)
• M10: 4,094,943 km (0.106 R)
• M11: 5,804,098 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.7

Radius: 11.5

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.26 AU - 1.38 AU

Year: 995 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,196,253 km

• M1: 144,063 km (0.102 R)
• M2: 524,341 km (0.076 R)
• M3: 1,085,781 km (0.078 R)
• M4: 1,784,852 km (0.091 R)
• M5: 2,173,507 km (0.118 R)
• M6: 2,583,555 km (0.115 R)
• M7: 3,881,317 km (0.073 R)
• M8: 4,595,048 km (0.075 R)
• M9: 5,030,378 km (0.09 R)
• M10: 6,371,523 km (0.116 R)
• M11: 7,125,496 km (0.091 R)
• M12: 9,116,045 km (0.075 R)
• M13: 9,894,553 km (0.051 R)

Asteroid Belt

Center: 2.86 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.4

Radius: 12.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.53 AU - 5.25 AU

Year: 6034 Days

Day: 6.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,196,253 km

• M1: 157,975 km (0.077 R)
• M2: 593,754 km (0.052 R)
• M3: 1,414,448 km (0.111 R)
• M4: 4,266,082 km (0.109 R)
• M5: 7,169,179 km (0.082 R)
• M6: 7,647,742 km (0.074 R)
• M7: 8,884,169 km (0.037 R)
• M8: 9,702,918 km (0.097 R)
• M9: 10,249,698 km (0.073 R)
• M10: 11,319,921 km (0.105 R)
• M11: 13,251,230 km (0.055 R)
• M12: 14,927,025 km (0.087 R)
• M13: 16,795,652 km (0.096 R)
• M14: 18,695,844 km (0.037 R)
• M15: 19,238,137 km (0.116 R)
• M16: 20,671,733 km (0.093 R)
• M17: 21,776,214 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.2

Radius: 3.6

Gravity: 28.33 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.8 AU - 7.92 AU

Year: 11787 Days

Day: 22.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,196,253 km

• M1: 46,525 km (0.107 R)
• M2: 182,659 km (0.102 R)
• M3: 600,935 km (0.064 R)
• M4: 756,068 km (0.08 R)
• M5: 927,806 km (0.066 R)
• M6: 1,092,364 km (0.071 R)
• M7: 1,375,702 km (0.118 R)
• M8: 1,548,488 km (0.058 R)
• M9: 1,780,963 km (0.1 R)
• M10: 2,019,571 km (0.11 R)
• M11: 2,407,628 km (0.116 R)
• M12: 2,579,965 km (0.034 R)
• M13: 2,949,472 km (0.091 R)
• M14: 3,716,909 km (0.056 R)
• M15: 7,545,118 km (0.034 R)
• M16: 9,279,855 km (0.025 R)
• M17: 10,539,768 km (0.045 R)
• M18: 11,964,389 km (0.073 R)
• M19: 12,579,835 km (0.043 R)
• M20: 15,253,298 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.7

Radius: 5.1

Gravity: 18.02 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.46 AU - 8.98 AU

Year: 15460 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,196,253 km

• M1: 63,429 km (0.113 R)
• M2: 235,467 km (0.082 R)
• M3: 444,306 km (0.112 R)
• M4: 723,306 km (0.117 R)
• M5: 1,556,267 km (0.086 R)
• M6: 2,184,129 km (0.083 R)
• M7: 3,673,675 km (0.082 R)
• M8: 4,037,198 km (0.098 R)
• M9: 5,735,134 km (0.11 R)
• M10: 7,458,651 km (0.076 R)
• M11: 8,041,035 km (0.096 R)
• M12: 8,847,667 km (0.112 R)
• M13: 10,510,148 km (0.104 R)
• M14: 12,679,467 km (0.063 R)
• M15: 13,507,641 km (0.047 R)
• M16: 22,007,941 km (0.108 R)
• M17: 26,936,144 km (0.073 R)
• M18: 27,247,008 km (0.086 R)
• M19: 29,271,666 km (0.065 R)
• M20: 34,462,413 km (0.039 R)
• M21: 34,706,407 km (0.083 R)
• M22: 35,197,836 km (0.07 R)
• M23: 39,965,071 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299

Radius: 5.9

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.69 AU - 10.99 AU

Year: 20249 Days

Day: 18.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,196,253 km

• M1: 73,453 km (0.117 R)
• M2: 269,575 km (0.09 R)
• M3: 545,434 km (0.068 R)
• M4: 762,201 km (0.117 R)
• M5: 1,295,368 km (0.108 R)
• M6: 2,068,639 km (0.097 R)
• M7: 2,522,968 km (0.111 R)
• M8: 2,876,617 km (0.086 R)
• M9: 3,442,247 km (0.064 R)
• M10: 4,535,209 km (0.104 R)
• M11: 4,791,919 km (0.107 R)
• M12: 5,693,994 km (0.052 R)
• M13: 5,879,645 km (0.063 R)
• M14: 6,911,422 km (0.119 R)
• M15: 9,849,374 km (0.113 R)
• M16: 10,668,273 km (0.12 R)
• M17: 14,468,807 km (0.112 R)
• M18: 15,961,794 km (0.069 R)
• M19: 19,585,353 km (0.112 R)
• M20: 21,948,850 km (0.116 R)
• M21: 26,299,455 km (0.11 R)
• M22: 26,919,688 km (0.109 R)
• M23: 30,620,291 km (0.049 R)
• M24: 33,067,562 km (0.095 R)
• M25: 35,266,501 km (0.111 R)
• M26: 37,171,929 km (0.062 R)
• M27: 38,215,674 km (0.061 R)
• M28: 40,088,938 km (0.094 R)
• M29: 42,022,640 km (0.114 R)
• M30: 43,584,891 km (0.065 R)
• M31: 45,038,384 km (0.059 R)
• M32: 45,332,942 km (0.073 R)
• M33: 48,503,519 km (0.088 R)
• M34: 55,958,729 km (0.08 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: 368 - 10,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit