🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.4

Radius: 9.2

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.88 AU - 1.26 AU

Year: 751 Days

Day: 13.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,609,948 km

• M1: 114,442 km (0.04 R)
• M2: 589,565 km (0.108 R)
• M3: 1,275,172 km (0.065 R)
• M4: 1,819,858 km (0.106 R)
• M5: 2,699,194 km (0.098 R)
• M6: 3,166,987 km (0.101 R)
• M7: 3,470,222 km (0.079 R)
• M8: 3,868,900 km (0.072 R)
• M9: 4,364,368 km (0.06 R)
• M10: 5,139,584 km (0.082 R)
• M11: 5,443,268 km (0.099 R)
• M12: 5,941,878 km (0.101 R)
• M13: 6,255,585 km (0.115 R)
• M14: 7,405,693 km (0.101 R)
• M15: 9,400,880 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278

Radius: 11.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.34 AU - 3.42 AU

Year: 4215 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,609,948 km

• M1: 146,008 km (0.117 R)
• M2: 680,222 km (0.115 R)
• M3: 1,403,527 km (0.066 R)
• M4: 1,902,436 km (0.089 R)
• M5: 2,562,013 km (0.088 R)
• M6: 3,263,926 km (0.066 R)
• M7: 3,679,509 km (0.059 R)
• M8: 6,209,060 km (0.09 R)
• M9: 7,755,004 km (0.053 R)
• M10: 8,400,369 km (0.091 R)
• M11: 8,873,248 km (0.066 R)
• M12: 9,872,562 km (0.114 R)
• M13: 14,582,501 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.5

Radius: 14.6

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.41 AU - 3.57 AU

Year: 4422 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,609,948 km

• M1: 185,352 km (0.085 R)
• M2: 805,285 km (0.096 R)
• M3: 1,729,202 km (0.038 R)
• M4: 2,994,800 km (0.106 R)
• M5: 6,306,747 km (0.056 R)
• M6: 7,019,132 km (0.061 R)
• M7: 8,000,195 km (0.095 R)
• M8: 9,309,924 km (0.118 R)
• M9: 12,945,901 km (0.077 R)
• M10: 15,708,674 km (0.111 R)
• M11: 16,865,215 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.8

Radius: 8.3

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.97 AU - 4.21 AU

Year: 4614 Days

Day: 11.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,609,948 km

• M1: 103,372 km (0.119 R)
• M2: 399,127 km (0.066 R)
• M3: 784,491 km (0.107 R)
• M4: 1,309,580 km (0.106 R)
• M5: 2,012,241 km (0.1 R)
• M6: 2,980,289 km (0.063 R)
• M7: 3,800,833 km (0.112 R)
• M8: 4,185,898 km (0.119 R)
• M9: 6,427,173 km (0.094 R)
• M10: 7,100,962 km (0.085 R)
• M11: 7,422,448 km (0.064 R)
• M12: 10,560,712 km (0.079 R)
• M13: 14,953,654 km (0.038 R)
• M14: 17,724,505 km (0.095 R)
• M15: 18,377,201 km (0.082 R)
• M16: 19,168,873 km (0.087 R)
• M17: 23,970,964 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 11.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.95 AU - 4.15 AU

Year: 5528 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,609,948 km

• M1: 145,858 km (0.044 R)
• M2: 707,598 km (0.118 R)
• M3: 1,267,842 km (0.098 R)
• M4: 2,190,711 km (0.048 R)
• M5: 2,674,660 km (0.077 R)
• M6: 3,126,147 km (0.106 R)
• M7: 5,466,306 km (0.068 R)
• M8: 7,793,899 km (0.093 R)
• M9: 8,687,298 km (0.05 R)
• M10: 10,249,399 km (0.09 R)
• M11: 11,569,600 km (0.104 R)
• M12: 12,119,671 km (0.101 R)
• M13: 13,455,880 km (0.06 R)
• M14: 15,846,005 km (0.112 R)
• M15: 16,209,079 km (0.061 R)
• M16: 19,435,755 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.1

Radius: 5.4

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.06 AU - 10.06 AU

Year: 18496 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,609,948 km

• M1: 67,469 km (0.115 R)
• M2: 530,175 km (0.109 R)
• M3: 889,060 km (0.113 R)
• M4: 3,531,707 km (0.059 R)
• M5: 10,436,247 km (0.081 R)
• M6: 13,003,496 km (0.105 R)
• M7: 22,258,966 km (0.12 R)
• M8: 22,985,414 km (0.087 R)
• M9: 25,751,927 km (0.113 R)
• M10: 26,856,857 km (0.07 R)
• M11: 32,510,460 km (0.093 R)
• M12: 35,490,599 km (0.083 R)
• M13: 36,606,599 km (0.117 R)
• M14: 46,830,716 km (0.114 R)
• M15: 49,539,634 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 19,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit