🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.8

Radius: 11.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.78 AU - 1.02 AU

Year: 551 Days

Day: 13.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,166,625 km

• M1: 145,559 km (0.088 R)
• M2: 535,411 km (0.057 R)
• M3: 902,524 km (0.044 R)
• M4: 2,094,370 km (0.092 R)
• M5: 2,803,464 km (0.117 R)
• M6: 3,275,146 km (0.11 R)
• M7: 3,775,252 km (0.107 R)
• M8: 4,140,869 km (0.089 R)
• M9: 4,973,680 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.5

Radius: 10.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.87 AU - 1.17 AU

Year: 665 Days

Day: 15 Hours

Environment

Temp: -151 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,166,625 km

• M1: 128,654 km (0.081 R)
• M2: 484,548 km (0.044 R)
• M3: 998,715 km (0.119 R)
• M4: 1,399,937 km (0.086 R)
• M5: 1,786,498 km (0.103 R)
• M6: 2,116,062 km (0.104 R)
• M7: 2,496,938 km (0.087 R)
• M8: 3,615,332 km (0.081 R)
• M9: 4,338,488 km (0.117 R)
• M10: 4,909,802 km (0.105 R)
• M11: 5,495,777 km (0.112 R)
• M12: 5,833,120 km (0.112 R)
• M13: 6,471,305 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 13.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.06 AU - 1.12 AU

Year: 735 Days

Day: 14.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,166,625 km

• M1: 170,392 km (0.075 R)
• M2: 657,483 km (0.069 R)
• M3: 1,184,965 km (0.086 R)
• M4: 1,664,426 km (0.066 R)
• M5: 3,149,933 km (0.117 R)
• M6: 3,672,478 km (0.085 R)
• M7: 4,137,578 km (0.113 R)
• M8: 5,187,905 km (0.113 R)
• M9: 6,124,387 km (0.069 R)
• M10: 6,564,504 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 9.1

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.8 AU - 2.38 AU

Year: 1951 Days

Day: 14 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,166,625 km

• M1: 113,246 km (0.099 R)
• M2: 430,543 km (0.118 R)
• M3: 741,257 km (0.094 R)
• M4: 1,223,860 km (0.086 R)
• M5: 1,509,592 km (0.09 R)
• M6: 1,873,265 km (0.109 R)
• M7: 2,245,165 km (0.086 R)
• M8: 2,556,029 km (0.068 R)
• M9: 2,970,266 km (0.07 R)
• M10: 3,428,933 km (0.077 R)
• M11: 3,897,773 km (0.104 R)
• M12: 4,774,117 km (0.097 R)
• M13: 6,314,227 km (0.096 R)
• M14: 7,074,334 km (0.036 R)
• M15: 8,041,783 km (0.104 R)
• M16: 9,621,088 km (0.08 R)
• M17: 10,698,492 km (0.109 R)
• M18: 11,359,864 km (0.116 R)
• M19: 12,642,965 km (0.096 R)
• M20: 13,298,802 km (0.106 R)
• M21: 14,368,427 km (0.109 R)
• M22: 14,812,134 km (0.026 R)
• M23: 15,494,599 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.6

Radius: 11.3

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.15 AU - 2.67 AU

Year: 2416 Days

Day: 10.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 141.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,166,625 km

• M1: 141,071 km (0.094 R)
• M2: 1,288,486 km (0.095 R)
• M3: 1,736,083 km (0.113 R)
• M4: 2,194,002 km (0.082 R)
• M5: 3,183,891 km (0.098 R)
• M6: 3,610,545 km (0.027 R)
• M7: 4,075,196 km (0.101 R)
• M8: 4,579,490 km (0.115 R)
• M9: 4,984,900 km (0.052 R)
• M10: 5,365,328 km (0.056 R)
• M11: 6,131,269 km (0.077 R)
• M12: 6,709,764 km (0.1 R)
• M13: 8,007,974 km (0.057 R)
• M14: 8,431,785 km (0.067 R)
• M15: 10,469,457 km (0.116 R)
• M16: 11,418,656 km (0.053 R)
• M17: 12,040,534 km (0.09 R)
• M18: 12,728,535 km (0.08 R)
• M19: 13,082,334 km (0.092 R)
• M20: 15,644,796 km (0.058 R)
• M21: 16,621,071 km (0.11 R)
• M22: 17,043,985 km (0.104 R)
• M23: 17,582,836 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.4

Radius: 5.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.63 AU - 6.91 AU

Year: 10137 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,166,625 km

• M1: 69,713 km (0.107 R)
• M2: 547,827 km (0.11 R)
• M3: 1,191,098 km (0.107 R)
• M4: 1,712,148 km (0.116 R)
• M5: 2,536,581 km (0.055 R)
• M6: 4,649,352 km (0.096 R)
• M7: 5,073,313 km (0.078 R)
• M8: 6,940,144 km (0.077 R)
• M9: 9,404,021 km (0.088 R)
• M10: 10,119,847 km (0.116 R)
• M11: 12,980,158 km (0.038 R)
• M12: 13,818,804 km (0.094 R)
• M13: 14,942,434 km (0.052 R)
• M14: 15,500,733 km (0.101 R)
• M15: 20,977,361 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 13,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit