🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.4

Radius: 11.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.46 AU - 0.56 AU

Year: 256 Days

Day: 10.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,555,951 km

• M1: 143,016 km (0.089 R)
• M2: 746,942 km (0.073 R)
• M3: 1,151,455 km (0.116 R)
• M4: 1,658,891 km (0.073 R)
• M5: 2,205,970 km (0.106 R)
• M6: 2,569,643 km (0.108 R)
• M7: 3,043,718 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 9.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.5 AU - 0.58 AU

Year: 279 Days

Day: 10.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,555,951 km

• M1: 123,119 km (0.112 R)
• M2: 632,799 km (0.064 R)
• M3: 1,037,162 km (0.072 R)
• M4: 1,402,330 km (0.062 R)
• M5: 2,391,771 km (0.072 R)
• M6: 2,716,697 km (0.111 R)
• M7: 3,945,045 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.1

Radius: 14.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.7 AU - 1.8 AU

Year: 1627 Days

Day: 5.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,555,951 km

• M1: 176,675 km (0.095 R)
• M2: 665,262 km (0.053 R)
• M3: 1,185,862 km (0.109 R)
• M4: 1,702,274 km (0.069 R)
• M5: 4,963,059 km (0.07 R)
• M6: 5,477,676 km (0.116 R)
• M7: 6,498,980 km (0.117 R)
• M8: 7,772,956 km (0.054 R)
• M9: 9,033,617 km (0.082 R)
• M10: 11,041,968 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.8

Radius: 12

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.07 AU - 4.69 AU

Year: 5372 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,555,951 km

• M1: 150,196 km (0.102 R)
• M2: 551,867 km (0.058 R)
• M3: 1,007,093 km (0.085 R)
• M4: 1,925,025 km (0.113 R)
• M5: 2,997,493 km (0.087 R)
• M6: 5,326,283 km (0.075 R)
• M7: 6,104,042 km (0.053 R)
• M8: 6,600,856 km (0.064 R)
• M9: 7,124,449 km (0.092 R)
• M10: 7,765,177 km (0.117 R)
• M11: 8,475,916 km (0.116 R)
• M12: 9,263,250 km (0.101 R)
• M13: 11,919,510 km (0.104 R)
• M14: 13,120,631 km (0.114 R)
• M15: 13,640,483 km (0.069 R)
• M16: 14,768,003 km (0.046 R)
• M17: 15,810,700 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.6

Radius: 3.1

Gravity: 54.59 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.64 AU - 7.08 AU

Year: 9971 Days

Day: 22.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,555,951 km

• M1: 39,793 km (0.073 R)
• M2: 257,159 km (0.114 R)
• M3: 1,610,122 km (0.087 R)
• M4: 1,978,581 km (0.116 R)
• M5: 2,096,016 km (0.077 R)
• M6: 2,652,669 km (0.096 R)
• M7: 4,695,877 km (0.096 R)
• M8: 6,116,907 km (0.101 R)
• M9: 8,527,079 km (0.102 R)
• M10: 8,838,691 km (0.1 R)
• M11: 10,921,692 km (0.108 R)
• M12: 13,548,032 km (0.082 R)
• M13: 13,910,956 km (0.107 R)
• M14: 18,267,546 km (0.104 R)
• M15: 18,488,053 km (0.094 R)
• M16: 19,848,496 km (0.073 R)
• M17: 20,711,975 km (0.044 R)
• M18: 23,107,785 km (0.094 R)
• M19: 27,468,263 km (0.111 R)
• M20: 31,813,034 km (0.073 R)
• M21: 36,594,033 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.3

Radius: 7.2

Gravity: 16.56 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.5 AU - 8.76 AU

Year: 16295 Days

Day: 18.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,555,951 km

• M1: 90,806 km (0.098 R)
• M2: 382,223 km (0.068 R)
• M3: 993,479 km (0.087 R)
• M4: 1,360,144 km (0.077 R)
• M5: 1,592,021 km (0.095 R)
• M6: 2,097,362 km (0.102 R)
• M7: 2,344,647 km (0.11 R)
• M8: 2,898,459 km (0.108 R)
• M9: 4,167,946 km (0.11 R)
• M10: 5,851,222 km (0.088 R)
• M11: 7,748,721 km (0.085 R)
• M12: 10,254,635 km (0.103 R)
• M13: 10,850,184 km (0.085 R)
• M14: 11,342,959 km (0.048 R)
• M15: 12,306,968 km (0.037 R)
• M16: 14,178,288 km (0.107 R)
• M17: 15,067,797 km (0.088 R)
• M18: 17,121,925 km (0.091 R)
• M19: 17,959,524 km (0.049 R)
• M20: 18,215,934 km (0.036 R)
• M21: 26,653,254 km (0.098 R)
• M22: 27,099,056 km (0.12 R)
• M23: 32,971,221 km (0.11 R)
• M24: 37,231,918 km (0.087 R)
• M25: 40,073,230 km (0.116 R)
• M26: 40,658,457 km (0.11 R)
• M27: 49,291,750 km (0.081 R)
• M28: 50,811,515 km (0.08 R)
• M29: 51,325,085 km (0.115 R)
• M30: 54,478,907 km (0.043 R)
• M31: 57,945,688 km (0.069 R)
• M32: 59,828,078 km (0.113 R)
• M33: 60,784,457 km (0.067 R)
• M34: 62,727,584 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 12,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit