🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.9

Radius: 8.1

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.6 AU - 0.82 AU

Year: 392 Days

Day: 7.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,775,965 km

• M1: 100,679 km (0.086 R)
• M2: 379,829 km (0.089 R)
• M3: 746,045 km (0.101 R)
• M4: 1,022,053 km (0.095 R)
• M5: 1,392,756 km (0.088 R)
• M6: 1,676,543 km (0.026 R)
• M7: 2,203,726 km (0.079 R)
• M8: 2,584,602 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 8.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.87 AU - 1.07 AU

Year: 627 Days

Day: 7.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,775,965 km

• M1: 105,766 km (0.096 R)
• M2: 445,054 km (0.108 R)
• M3: 713,881 km (0.114 R)
• M4: 1,069,774 km (0.101 R)
• M5: 1,407,566 km (0.086 R)
• M6: 1,945,072 km (0.083 R)
• M7: 2,293,934 km (0.061 R)
• M8: 2,705,029 km (0.092 R)
• M9: 3,246,274 km (0.101 R)
• M10: 3,524,227 km (0.106 R)
• M11: 3,924,251 km (0.116 R)
• M12: 5,325,535 km (0.096 R)
• M13: 5,888,621 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.9

Radius: 14.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.2 AU - 1.54 AU

Year: 1052 Days

Day: 8 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,775,965 km

• M1: 175,329 km (0.096 R)
• M2: 714,031 km (0.109 R)
• M3: 1,246,599 km (0.061 R)
• M4: 1,989,053 km (0.105 R)
• M5: 2,443,681 km (0.119 R)
• M6: 3,368,046 km (0.086 R)
• M7: 4,177,221 km (0.11 R)
• M8: 4,982,357 km (0.05 R)
• M9: 5,448,354 km (0.071 R)
• M10: 5,925,272 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 10.2

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.57 AU - 1.85 AU

Year: 1467 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,775,965 km

• M1: 127,009 km (0.061 R)
• M2: 469,588 km (0.058 R)
• M3: 845,378 km (0.104 R)
• M4: 1,335,610 km (0.114 R)
• M5: 1,923,679 km (0.052 R)
• M6: 2,248,606 km (0.119 R)
• M7: 2,826,801 km (0.082 R)
• M8: 3,566,413 km (0.12 R)
• M9: 4,392,193 km (0.116 R)
• M10: 4,962,461 km (0.033 R)
• M11: 6,131,718 km (0.061 R)
• M12: 6,469,210 km (0.079 R)
• M13: 6,921,445 km (0.073 R)
• M14: 7,367,994 km (0.089 R)
• M15: 7,861,518 km (0.09 R)
• M16: 8,231,473 km (0.08 R)
• M17: 8,976,022 km (0.093 R)
• M18: 12,485,588 km (0.105 R)
• M19: 12,950,987 km (0.107 R)
• M20: 13,589,321 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.6

Radius: 7

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.35 AU - 10.45 AU

Year: 20434 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,775,965 km

• M1: 136,732 km (0.092 R)
• M2: 804,238 km (0.108 R)
• M3: 1,627,326 km (0.083 R)
• M4: 1,879,697 km (0.075 R)
• M5: 3,616,080 km (0.099 R)
• M6: 5,089,918 km (0.113 R)
• M7: 8,111,197 km (0.1 R)
• M8: 9,533,124 km (0.094 R)
• M9: 18,018,316 km (0.083 R)
• M10: 27,987,518 km (0.117 R)
• M11: 33,747,634 km (0.11 R)
• M12: 38,313,959 km (0.047 R)
• M13: 45,527,419 km (0.099 R)
• M14: 47,383,929 km (0.071 R)
• M15: 58,324,470 km (0.112 R)
• M16: 62,001,586 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.6

Radius: 3.5

Gravity: 41.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.83 AU - 10.53 AU

Year: 21307 Days

Day: 24.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,775,965 km

• M1: 43,683 km (0.106 R)
• M2: 248,931 km (0.076 R)
• M3: 371,601 km (0.077 R)
• M4: 670,647 km (0.101 R)
• M5: 786,735 km (0.11 R)
• M6: 1,035,217 km (0.107 R)
• M7: 2,483,325 km (0.078 R)
• M8: 2,644,890 km (0.105 R)
• M9: 4,073,550 km (0.059 R)
• M10: 5,096,650 km (0.092 R)
• M11: 6,623,745 km (0.04 R)
• M12: 12,439,512 km (0.099 R)
• M13: 14,701,132 km (0.078 R)
• M14: 16,810,612 km (0.045 R)
• M15: 21,425,407 km (0.116 R)
• M16: 27,492,498 km (0.048 R)
• M17: 32,158,007 km (0.107 R)
• M18: 34,610,664 km (0.062 R)
• M19: 35,679,691 km (0.12 R)
• M20: 36,495,747 km (0.037 R)
• M21: 38,024,039 km (0.069 R)
• M22: 43,477,180 km (0.108 R)
• M23: 49,428,782 km (0.074 R)
• M24: 56,448,961 km (0.108 R)
• M25: 62,129,641 km (0.106 R)
• M26: 68,805,147 km (0.108 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: 531 - 19,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit