🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 10.2

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.55 AU - 0.77 AU

Year: 358 Days

Day: 14.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 97.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,759,076 km

• M1: 128,056 km (0.097 R)
• M2: 463,604 km (0.118 R)
• M3: 787,184 km (0.083 R)
• M4: 1,115,252 km (0.047 R)
• M5: 1,471,594 km (0.093 R)
• M6: 1,834,818 km (0.057 R)
• M7: 2,195,050 km (0.056 R)
• M8: 2,620,356 km (0.111 R)
• M9: 3,660,361 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 8.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.7 AU - 0.84 AU

Year: 451 Days

Day: 9.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,759,076 km

• M1: 103,223 km (0.095 R)
• M2: 389,702 km (0.088 R)
• M3: 736,620 km (0.118 R)
• M4: 1,039,406 km (0.07 R)
• M5: 1,651,261 km (0.099 R)
• M6: 2,315,326 km (0.07 R)
• M7: 2,645,489 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 9.2

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.75 AU - 1.11 AU

Year: 598 Days

Day: 7.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 98.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,759,076 km

• M1: 114,442 km (0.084 R)
• M2: 498,759 km (0.093 R)
• M3: 794,365 km (0.117 R)
• M4: 1,520,962 km (0.115 R)
• M5: 1,890,618 km (0.096 R)
• M6: 2,242,472 km (0.107 R)
• M7: 3,954,021 km (0.104 R)
• M8: 4,395,485 km (0.079 R)
• M9: 4,691,838 km (0.089 R)
• M10: 5,465,409 km (0.075 R)
• M11: 6,439,590 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 8

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.08 AU - 1.18 AU

Year: 801 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,759,076 km

• M1: 99,931 km (0.116 R)
• M2: 519,105 km (0.058 R)
• M3: 964,009 km (0.111 R)
• M4: 1,384,827 km (0.055 R)
• M5: 2,103,047 km (0.097 R)
• M6: 2,484,821 km (0.032 R)
• M7: 2,912,371 km (0.102 R)
• M8: 4,174,379 km (0.075 R)
• M9: 4,918,030 km (0.09 R)
• M10: 8,137,825 km (0.065 R)
• M11: 8,436,123 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.6

Radius: 13.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.88 AU - 1.46 AU

Year: 844 Days

Day: 5.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,759,076 km

• M1: 165,754 km (0.058 R)
• M2: 605,423 km (0.067 R)
• M3: 1,084,585 km (0.049 R)
• M4: 1,913,207 km (0.116 R)
• M5: 2,550,793 km (0.107 R)
• M6: 3,502,834 km (0.075 R)
• M7: 4,208,487 km (0.062 R)
• M8: 4,867,466 km (0.102 R)
• M9: 6,582,157 km (0.085 R)
• M10: 7,084,506 km (0.113 R)
• M11: 7,518,789 km (0.064 R)
• M12: 8,191,231 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 13

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.48 AU - 1.6 AU

Year: 1274 Days

Day: 13 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,759,076 km

• M1: 161,715 km (0.118 R)
• M2: 779,555 km (0.097 R)
• M3: 1,470,098 km (0.054 R)
• M4: 2,168,122 km (0.097 R)
• M5: 2,710,564 km (0.062 R)
• M6: 3,297,735 km (0.079 R)
• M7: 4,089,258 km (0.109 R)
• M8: 4,539,847 km (0.06 R)
• M9: 5,628,321 km (0.069 R)
• M10: 7,237,844 km (0.087 R)
• M11: 8,093,544 km (0.099 R)
• M12: 9,689,304 km (0.053 R)
• M13: 10,729,010 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.5

Radius: 7.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.58 AU - 6.88 AU

Year: 10370 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,759,076 km

• M1: 93,349 km (0.062 R)
• M2: 337,942 km (0.113 R)
• M3: 826,977 km (0.075 R)
• M4: 1,075,609 km (0.12 R)
• M5: 1,856,210 km (0.092 R)
• M6: 2,241,574 km (0.11 R)
• M7: 3,891,489 km (0.101 R)
• M8: 6,838,418 km (0.095 R)
• M9: 9,887,970 km (0.11 R)
• M10: 10,161,735 km (0.102 R)
• M11: 10,868,285 km (0.053 R)
• M12: 11,406,987 km (0.096 R)
• M13: 15,079,615 km (0.094 R)
• M14: 15,321,066 km (0.05 R)
• M15: 15,688,030 km (0.096 R)
• M16: 20,634,334 km (0.097 R)
• M17: 21,006,832 km (0.111 R)
• M18: 24,068,652 km (0.065 R)
• M19: 31,353,171 km (0.039 R)
• M20: 32,243,427 km (0.108 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: 170 - 11,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit