🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 14.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.7 AU - 0.74 AU

Year: 429 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,158,202 km

• M1: 176,675 km (0.101 R)
• M2: 1,027,438 km (0.082 R)
• M3: 2,120,251 km (0.028 R)
• M4: 3,202,442 km (0.115 R)
• M5: 3,679,360 km (0.076 R)
• M6: 4,551,515 km (0.074 R)
• M7: 5,239,516 km (0.082 R)
• M8: 5,747,700 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.3

Radius: 11.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.24 AU - 3.34 AU

Year: 4195 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,158,202 km

• M1: 142,417 km (0.061 R)
• M2: 653,892 km (0.091 R)
• M3: 1,263,204 km (0.096 R)
• M4: 1,655,899 km (0.079 R)
• M5: 2,299,319 km (0.112 R)
• M6: 2,861,059 km (0.113 R)
• M7: 3,359,669 km (0.1 R)
• M8: 4,216,566 km (0.043 R)
• M9: 4,626,015 km (0.098 R)
• M10: 5,794,973 km (0.09 R)
• M11: 6,448,865 km (0.085 R)
• M12: 7,119,811 km (0.073 R)
• M13: 8,817,897 km (0.056 R)
• M14: 9,567,532 km (0.112 R)
• M15: 11,108,539 km (0.068 R)
• M16: 17,402,421 km (0.084 R)
• M17: 18,521,413 km (0.102 R)
• M18: 19,687,678 km (0.117 R)
• M19: 23,480,433 km (0.082 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.1

Radius: 6.3

Gravity: 19.38 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.48 AU - 7.36 AU

Year: 11434 Days

Day: 15.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,158,202 km

• M1: 81,531 km (0.106 R)
• M2: 445,652 km (0.097 R)
• M3: 757,564 km (0.064 R)
• M4: 1,001,707 km (0.099 R)
• M5: 1,405,023 km (0.104 R)
• M6: 2,312,185 km (0.078 R)
• M7: 2,789,252 km (0.088 R)
• M8: 7,949,780 km (0.12 R)
• M9: 8,268,873 km (0.094 R)
• M10: 8,691,636 km (0.104 R)
• M11: 9,327,726 km (0.072 R)
• M12: 9,580,397 km (0.054 R)
• M13: 14,072,672 km (0.119 R)
• M14: 14,607,334 km (0.116 R)
• M15: 15,225,024 km (0.108 R)
• M16: 16,220,299 km (0.064 R)
• M17: 18,897,053 km (0.078 R)
• M18: 20,722,447 km (0.041 R)
• M19: 21,066,522 km (0.059 R)
• M20: 21,414,337 km (0.118 R)
• M21: 21,943,315 km (0.112 R)
• M22: 23,211,456 km (0.096 R)
• M23: 24,432,025 km (0.097 R)
• M24: 30,734,733 km (0.095 R)
• M25: 33,959,165 km (0.104 R)
• M26: 34,197,774 km (0.107 R)
• M27: 35,407,572 km (0.1 R)
• M28: 36,645,644 km (0.087 R)
• M29: 44,258,231 km (0.027 R)
• M30: 44,685,782 km (0.066 R)
• M31: 48,356,465 km (0.118 R)
• M32: 50,497,210 km (0.111 R)
• M33: 50,808,224 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.1

Radius: 3.1

Gravity: 41.32 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.9 AU - 8.1 AU

Year: 11649 Days

Day: 24.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,158,202 km

• M1: 62,981 km (0.063 R)
• M2: 259,552 km (0.106 R)
• M3: 392,246 km (0.1 R)
• M4: 604,974 km (0.08 R)
• M5: 928,255 km (0.082 R)
• M6: 1,528,292 km (0.107 R)
• M7: 1,869,824 km (0.113 R)
• M8: 2,101,102 km (0.098 R)
• M9: 3,244,179 km (0.075 R)
• M10: 4,230,329 km (0.12 R)
• M11: 6,999,834 km (0.077 R)
• M12: 7,433,967 km (0.101 R)
• M13: 8,355,639 km (0.025 R)
• M14: 12,067,761 km (0.102 R)
• M15: 12,518,799 km (0.097 R)
• M16: 17,025,434 km (0.078 R)
• M17: 18,025,795 km (0.083 R)
• M18: 26,617,500 km (0.097 R)
• M19: 31,839,064 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.2

Radius: 3.6

Gravity: 53.64 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.89 AU - 9.75 AU

Year: 15372 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,158,202 km

• M1: 49,218 km (0.066 R)
• M2: 232,325 km (0.037 R)
• M3: 406,308 km (0.112 R)
• M4: 755,768 km (0.045 R)
• M5: 1,917,994 km (0.089 R)
• M6: 2,106,488 km (0.063 R)
• M7: 2,817,227 km (0.118 R)
• M8: 3,618,623 km (0.094 R)
• M9: 3,966,139 km (0.101 R)
• M10: 6,574,527 km (0.086 R)
• M11: 6,915,910 km (0.098 R)
• M12: 8,400,220 km (0.102 R)
• M13: 9,972,942 km (0.085 R)
• M14: 10,770,000 km (0.069 R)
• M15: 12,683,955 km (0.077 R)
• M16: 14,101,993 km (0.112 R)
• M17: 19,241,577 km (0.072 R)
• M18: 21,198,317 km (0.034 R)
• M19: 23,875,371 km (0.07 R)
• M20: 30,236,422 km (0.052 R)
• M21: 35,784,259 km (0.091 R)
• M22: 37,909,447 km (0.107 R)
• M23: 42,848,720 km (0.106 R)
• M24: 57,838,426 km (0.092 R)
• M25: 63,391,948 km (0.092 R)
• M26: 63,774,320 km (0.053 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 17,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit