🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 12.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.9 AU - 1 AU

Year: 628 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,524,176 km

• M1: 159,172 km (0.097 R)
• M2: 599,289 km (0.092 R)
• M3: 1,270,385 km (0.1 R)
• M4: 1,701,077 km (0.116 R)
• M5: 2,212,403 km (0.069 R)
• M6: 2,612,727 km (0.1 R)
• M7: 3,144,098 km (0.044 R)
• M8: 3,589,152 km (0.109 R)
• M9: 4,119,177 km (0.107 R)
• M10: 4,732,379 km (0.099 R)
• M11: 5,847,332 km (0.057 R)
• M12: 6,965,127 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.6

Radius: 14.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.43 AU - 1.59 AU

Year: 1259 Days

Day: 6.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,524,176 km

• M1: 182,809 km (0.103 R)
• M2: 773,720 km (0.106 R)
• M3: 1,261,708 km (0.076 R)
• M4: 1,793,379 km (0.088 R)
• M5: 2,441,437 km (0.087 R)
• M6: 3,201,394 km (0.105 R)
• M7: 3,855,885 km (0.116 R)
• M8: 4,421,664 km (0.118 R)
• M9: 5,997,528 km (0.099 R)
• M10: 6,598,612 km (0.03 R)
• M11: 7,093,632 km (0.104 R)
• M12: 7,818,434 km (0.062 R)
• M13: 8,319,586 km (0.073 R)
• M14: 8,870,406 km (0.05 R)
• M15: 9,984,461 km (0.059 R)
• M16: 10,639,101 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 9.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.97 AU - 2.11 AU

Year: 1976 Days

Day: 12.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,524,176 km

• M1: 116,088 km (0.097 R)
• M2: 452,534 km (0.098 R)
• M3: 755,918 km (0.07 R)
• M4: 1,133,503 km (0.066 R)
• M5: 2,046,349 km (0.058 R)
• M6: 3,435,515 km (0.092 R)
• M7: 4,357,188 km (0.066 R)
• M8: 4,876,143 km (0.103 R)
• M9: 5,847,631 km (0.068 R)
• M10: 6,890,478 km (0.049 R)
• M11: 8,347,711 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.1

Radius: 11.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.87 AU - 3.11 AU

Year: 3507 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,524,176 km

• M1: 138,079 km (0.114 R)
• M2: 593,006 km (0.038 R)
• M3: 1,086,829 km (0.062 R)
• M4: 1,723,367 km (0.079 R)
• M5: 2,640,402 km (0.089 R)
• M6: 3,191,072 km (0.111 R)
• M7: 3,549,957 km (0.104 R)
• M8: 4,747,189 km (0.092 R)
• M9: 5,144,671 km (0.027 R)
• M10: 7,111,883 km (0.034 R)
• M11: 8,380,922 km (0.101 R)
• M12: 9,573,366 km (0.118 R)
• M13: 10,096,061 km (0.108 R)
• M14: 13,549,229 km (0.043 R)
• M15: 15,951,023 km (0.088 R)
• M16: 16,793,408 km (0.112 R)
• M17: 20,036,241 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.2

Radius: 9.7

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.42 AU - 3.62 AU

Year: 4479 Days

Day: 5.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,524,176 km

• M1: 120,576 km (0.105 R)
• M2: 761,902 km (0.112 R)
• M3: 4,012,065 km (0.082 R)
• M4: 4,383,966 km (0.094 R)
• M5: 4,881,079 km (0.079 R)
• M6: 6,351,327 km (0.075 R)
• M7: 7,738,698 km (0.055 R)
• M8: 8,616,987 km (0.107 R)
• M9: 9,519,511 km (0.052 R)
• M10: 10,789,896 km (0.09 R)
• M11: 11,420,002 km (0.07 R)
• M12: 11,979,498 km (0.058 R)
• M13: 12,902,517 km (0.096 R)
• M14: 13,820,001 km (0.114 R)
• M15: 14,780,419 km (0.106 R)
• M16: 15,557,580 km (0.111 R)
• M17: 16,129,343 km (0.06 R)
• M18: 17,193,582 km (0.118 R)
• M19: 17,804,690 km (0.06 R)
• M20: 19,461,636 km (0.117 R)
• M21: 24,353,187 km (0.086 R)
• M22: 24,736,606 km (0.119 R)
• M23: 25,831,663 km (0.115 R)
• M24: 26,552,575 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 8.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.63 AU - 4.21 AU

Year: 5264 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,524,176 km

• M1: 110,702 km (0.081 R)
• M2: 574,157 km (0.095 R)
• M3: 1,155,195 km (0.081 R)
• M4: 2,040,365 km (0.083 R)
• M5: 2,506,961 km (0.11 R)
• M6: 2,964,431 km (0.109 R)
• M7: 3,837,634 km (0.035 R)
• M8: 4,529,824 km (0.079 R)
• M9: 5,782,556 km (0.084 R)
• M10: 6,773,642 km (0.055 R)
• M11: 9,224,205 km (0.11 R)
• M12: 10,061,803 km (0.054 R)
• M13: 10,873,222 km (0.094 R)
• M14: 12,794,208 km (0.101 R)
• M15: 14,148,967 km (0.11 R)
• M16: 14,791,190 km (0.03 R)
• M17: 17,141,074 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.4

Radius: 7.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.36 AU - 11.86 AU

Year: 20206 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,524,176 km

• M1: 94,546 km (0.036 R)
• M2: 455,376 km (0.08 R)
• M3: 970,292 km (0.103 R)
• M4: 1,252,733 km (0.091 R)
• M5: 1,654,253 km (0.038 R)
• M6: 2,186,223 km (0.051 R)
• M7: 3,060,324 km (0.077 R)
• M8: 3,814,746 km (0.081 R)
• M9: 4,124,563 km (0.113 R)
• M10: 4,987,443 km (0.119 R)
• M11: 7,100,813 km (0.086 R)
• M12: 8,654,087 km (0.119 R)
• M13: 9,881,239 km (0.1 R)
• M14: 17,403,767 km (0.074 R)
• M15: 19,626,642 km (0.097 R)
• M16: 21,881,082 km (0.11 R)
• M17: 23,980,539 km (0.106 R)
• M18: 24,873,189 km (0.083 R)
• M19: 26,810,781 km (0.12 R)
• M20: 28,395,770 km (0.096 R)
• M21: 28,846,808 km (0.098 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 18,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit