🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.2

Radius: 12.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.34 AU - 1.6 AU

Year: 1151 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,086,283 km

• M1: 160,369 km (0.049 R)
• M2: 710,141 km (0.057 R)
• M3: 1,398,441 km (0.108 R)
• M4: 1,985,613 km (0.109 R)
• M5: 2,587,295 km (0.073 R)
• M6: 3,648,393 km (0.095 R)
• M7: 4,244,540 km (0.085 R)
• M8: 4,775,164 km (0.068 R)
• M9: 5,231,288 km (0.025 R)
• M10: 5,842,395 km (0.108 R)
• M11: 6,365,240 km (0.099 R)
• M12: 7,062,665 km (0.099 R)
• M13: 8,124,062 km (0.116 R)
• M14: 9,611,962 km (0.06 R)
• M15: 10,156,499 km (0.116 R)
• M16: 11,012,049 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 10.1

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.42 AU - 2.3 AU

Year: 1638 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,086,283 km

• M1: 125,961 km (0.067 R)
• M2: 514,617 km (0.106 R)
• M3: 1,036,264 km (0.046 R)
• M4: 2,611,231 km (0.11 R)
• M5: 3,283,374 km (0.043 R)
• M6: 4,211,928 km (0.05 R)
• M7: 5,263,751 km (0.102 R)
• M8: 7,065,807 km (0.087 R)
• M9: 7,410,929 km (0.117 R)
• M10: 8,077,986 km (0.059 R)
• M11: 9,724,909 km (0.09 R)
• M12: 12,792,563 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 14.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.46 AU - 2.56 AU

Year: 2568 Days

Day: 12.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,086,283 km

• M1: 178,171 km (0.049 R)
• M2: 664,215 km (0.1 R)
• M3: 1,317,359 km (0.075 R)
• M4: 2,174,405 km (0.096 R)
• M5: 2,916,710 km (0.065 R)
• M6: 4,032,710 km (0.041 R)
• M7: 5,751,440 km (0.07 R)
• M8: 7,020,179 km (0.061 R)
• M9: 7,637,719 km (0.097 R)
• M10: 9,262,801 km (0.117 R)
• M11: 11,836,782 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 13

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.4 AU - 3.38 AU

Year: 3172 Days

Day: 9.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,086,283 km

• M1: 161,715 km (0.092 R)
• M2: 589,116 km (0.09 R)
• M3: 1,039,406 km (0.082 R)
• M4: 1,641,986 km (0.08 R)
• M5: 2,875,570 km (0.061 R)
• M6: 3,565,216 km (0.115 R)
• M7: 5,630,265 km (0.096 R)
• M8: 7,103,356 km (0.096 R)
• M9: 8,606,515 km (0.096 R)
• M10: 9,449,350 km (0.094 R)
• M11: 10,108,478 km (0.063 R)
• M12: 11,047,055 km (0.099 R)
• M13: 12,042,629 km (0.086 R)
• M14: 13,380,632 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 10.7

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.24 AU - 5.86 AU

Year: 7327 Days

Day: 8.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,086,283 km

• M1: 145,110 km (0.036 R)
• M2: 591,360 km (0.1 R)
• M3: 1,698,534 km (0.076 R)
• M4: 2,090,630 km (0.114 R)
• M5: 2,593,578 km (0.08 R)
• M6: 4,071,156 km (0.107 R)
• M7: 7,140,157 km (0.108 R)
• M8: 10,668,871 km (0.101 R)
• M9: 11,587,253 km (0.107 R)
• M10: 11,969,026 km (0.099 R)
• M11: 12,657,326 km (0.116 R)
• M12: 13,686,260 km (0.047 R)
• M13: 16,085,960 km (0.097 R)
• M14: 23,935,211 km (0.057 R)
• M15: 28,504,378 km (0.093 R)
• M16: 29,201,205 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.2

Radius: 13

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.97 AU - 5.95 AU

Year: 8238 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,086,283 km

• M1: 161,715 km (0.1 R)
• M2: 1,941,332 km (0.025 R)
• M3: 2,476,892 km (0.119 R)
• M4: 4,459,662 km (0.066 R)
• M5: 6,035,526 km (0.057 R)
• M6: 6,612,375 km (0.109 R)
• M7: 7,262,977 km (0.075 R)
• M8: 8,277,849 km (0.104 R)
• M9: 8,692,534 km (0.085 R)
• M10: 9,252,479 km (0.062 R)
• M11: 10,020,963 km (0.087 R)
• M12: 12,102,617 km (0.06 R)
• M13: 13,527,537 km (0.08 R)
• M14: 14,458,335 km (0.093 R)
• M15: 14,878,705 km (0.058 R)
• M16: 15,997,697 km (0.101 R)
• M17: 19,985,827 km (0.105 R)
• M18: 20,508,222 km (0.097 R)
• M19: 21,039,594 km (0.089 R)
• M20: 21,893,200 km (0.067 R)
• M21: 28,341,167 km (0.113 R)
• M22: 29,478,260 km (0.069 R)
• M23: 33,072,499 km (0.117 R)
• M24: 34,652,851 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.4

Radius: 7.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.56 AU - 11.3 AU

Year: 18697 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,086,283 km

• M1: 90,806 km (0.089 R)
• M2: 353,350 km (0.044 R)
• M3: 642,224 km (0.055 R)
• M4: 914,492 km (0.079 R)
• M5: 1,275,771 km (0.077 R)
• M6: 1,603,390 km (0.065 R)
• M7: 2,083,150 km (0.116 R)
• M8: 2,956,652 km (0.098 R)
• M9: 3,349,048 km (0.089 R)
• M10: 4,567,073 km (0.117 R)
• M11: 5,306,984 km (0.079 R)
• M12: 7,641,908 km (0.066 R)
• M13: 13,498,814 km (0.118 R)
• M14: 15,712,564 km (0.115 R)
• M15: 15,972,565 km (0.067 R)
• M16: 17,246,989 km (0.096 R)
• M17: 19,694,709 km (0.056 R)
• M18: 20,149,337 km (0.1 R)
• M19: 24,043,071 km (0.095 R)
• M20: 26,900,240 km (0.098 R)
• M21: 27,742,925 km (0.083 R)
• M22: 29,777,307 km (0.116 R)
• M23: 40,474,452 km (0.044 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 15,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit