🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 14.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.6 AU - 0.96 AU

Year: 467 Days

Day: 12.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,130,116 km

• M1: 176,525 km (0.12 R)
• M2: 750,981 km (0.114 R)
• M3: 1,365,230 km (0.057 R)
• M4: 1,845,589 km (0.057 R)
• M5: 2,402,691 km (0.1 R)
• M6: 2,939,299 km (0.112 R)
• M7: 3,397,068 km (0.091 R)
• M8: 3,996,208 km (0.094 R)
• M9: 4,546,578 km (0.117 R)
• M10: 5,035,614 km (0.098 R)
• M11: 6,193,352 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535

Radius: 10.3

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.96 AU - 1.02 AU

Year: 668 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,130,116 km

• M1: 128,505 km (0.072 R)
• M2: 455,675 km (0.056 R)
• M3: 814,112 km (0.086 R)
• M4: 1,155,344 km (0.068 R)
• M5: 1,805,198 km (0.095 R)
• M6: 2,237,236 km (0.12 R)
• M7: 2,792,992 km (0.026 R)
• M8: 3,152,326 km (0.064 R)
• M9: 3,811,305 km (0.065 R)
• M10: 4,151,939 km (0.084 R)
• M11: 4,653,691 km (0.118 R)
• M12: 5,281,254 km (0.092 R)
• M13: 6,020,716 km (0.12 R)
• M14: 6,524,412 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.2

Radius: 12.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.47 AU - 1.75 AU

Year: 1386 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,130,116 km

• M1: 160,519 km (0.105 R)
• M2: 791,971 km (0.108 R)
• M3: 1,200,224 km (0.083 R)
• M4: 1,813,126 km (0.115 R)
• M5: 2,773,694 km (0.098 R)
• M6: 4,119,028 km (0.11 R)
• M7: 5,380,287 km (0.045 R)
• M8: 6,734,896 km (0.068 R)
• M9: 7,639,664 km (0.104 R)
• M10: 8,362,970 km (0.065 R)
• M11: 11,578,277 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 15

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.92 AU - 2 AU

Year: 1861 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,130,116 km

• M1: 186,698 km (0.067 R)
• M2: 769,681 km (0.03 R)
• M3: 1,361,041 km (0.089 R)
• M4: 2,066,994 km (0.114 R)
• M5: 2,733,003 km (0.111 R)
• M6: 3,523,179 km (0.096 R)
• M7: 4,246,186 km (0.116 R)
• M8: 5,608,723 km (0.097 R)
• M9: 7,585,958 km (0.104 R)
• M10: 9,053,663 km (0.063 R)
• M11: 10,923,337 km (0.101 R)
• M12: 11,409,680 km (0.057 R)
• M13: 12,146,450 km (0.04 R)
• M14: 12,668,696 km (0.045 R)
• M15: 13,459,021 km (0.045 R)
• M16: 14,683,330 km (0.094 R)
• M17: 16,028,664 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870

Radius: 4.1

Gravity: 51.75 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.21 AU - 8.11 AU

Year: 14379 Days

Day: 16.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,130,116 km

• M1: 51,162 km (0.099 R)
• M2: 186,399 km (0.072 R)
• M3: 321,635 km (0.064 R)
• M4: 483,052 km (0.107 R)
• M5: 680,670 km (0.032 R)
• M6: 953,088 km (0.116 R)
• M7: 1,613,114 km (0.036 R)
• M8: 2,196,097 km (0.108 R)
• M9: 2,694,258 km (0.039 R)
• M10: 5,341,542 km (0.11 R)
• M11: 5,913,305 km (0.1 R)
• M12: 8,261,393 km (0.068 R)
• M13: 9,449,798 km (0.093 R)
• M14: 10,747,859 km (0.093 R)
• M15: 11,655,469 km (0.09 R)
• M16: 13,280,102 km (0.092 R)
• M17: 15,049,695 km (0.101 R)
• M18: 16,652,637 km (0.047 R)
• M19: 17,211,385 km (0.108 R)
• M20: 18,619,998 km (0.114 R)
• M21: 21,947,952 km (0.037 R)
• M22: 22,813,376 km (0.09 R)
• M23: 24,407,940 km (0.075 R)
• M24: 27,374,316 km (0.066 R)
• M25: 28,716,059 km (0.118 R)
• M26: 34,908,663 km (0.072 R)
• M27: 37,020,686 km (0.046 R)
• M28: 43,564,246 km (0.067 R)
• M29: 47,424,320 km (0.112 R)
• M30: 48,705,925 km (0.057 R)
• M31: 57,785,768 km (0.084 R)
• M32: 59,431,793 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 15,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit