🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 8.8

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.46 AU - 0.72 AU

Year: 319 Days

Day: 12.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,050,447 km

• M1: 109,506 km (0.052 R)
• M2: 493,224 km (0.099 R)
• M3: 771,027 km (0.094 R)
• M4: 1,061,397 km (0.118 R)
• M5: 1,413,849 km (0.091 R)
• M6: 1,707,809 km (0.104 R)
• M7: 2,386,385 km (0.11 R)
• M8: 3,010,508 km (0.028 R)
• M9: 3,491,764 km (0.094 R)
• M10: 3,885,805 km (0.063 R)
• M11: 4,511,872 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 15

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.59 AU - 0.99 AU

Year: 494 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 59,050,447 km

• M1: 307,124 km (0.047 R)
• M2: 884,123 km (0.095 R)
• M3: 1,432,250 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.7

Radius: 14.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.55 AU - 5.21 AU

Year: 6443 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,050,447 km

• M1: 176,974 km (0.032 R)
• M2: 705,803 km (0.087 R)
• M3: 1,527,693 km (0.094 R)
• M4: 2,310,539 km (0.034 R)
• M5: 2,966,675 km (0.079 R)
• M6: 3,725,436 km (0.088 R)
• M7: 6,281,016 km (0.115 R)
• M8: 7,192,217 km (0.073 R)
• M9: 8,530,968 km (0.057 R)
• M10: 10,700,736 km (0.09 R)
• M11: 11,485,676 km (0.086 R)
• M12: 13,450,943 km (0.089 R)
• M13: 14,316,367 km (0.099 R)
• M14: 15,579,721 km (0.04 R)
• M15: 18,972,900 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.8

Radius: 8

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.12 AU - 6.36 AU

Year: 8432 Days

Day: 7.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,050,447 km

• M1: 99,483 km (0.093 R)
• M2: 396,434 km (0.044 R)
• M3: 817,552 km (0.034 R)
• M4: 1,085,781 km (0.119 R)
• M5: 1,375,253 km (0.086 R)
• M6: 1,687,314 km (0.109 R)
• M7: 2,148,375 km (0.075 R)
• M8: 2,552,140 km (0.115 R)
• M9: 3,298,483 km (0.102 R)
• M10: 3,735,309 km (0.071 R)
• M11: 5,540,956 km (0.027 R)
• M12: 6,595,920 km (0.084 R)
• M13: 7,904,901 km (0.119 R)
• M14: 10,205,716 km (0.083 R)
• M15: 10,508,951 km (0.09 R)
• M16: 12,341,974 km (0.088 R)
• M17: 13,274,417 km (0.086 R)
• M18: 15,809,802 km (0.111 R)
• M19: 18,952,853 km (0.085 R)
• M20: 23,437,798 km (0.083 R)
• M21: 25,878,337 km (0.1 R)
• M22: 27,498,931 km (0.106 R)
• M23: 29,900,575 km (0.088 R)
• M24: 30,313,914 km (0.097 R)
• M25: 33,983,400 km (0.113 R)
• M26: 37,219,501 km (0.105 R)
• M27: 45,104,207 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.8

Radius: 6.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.16 AU - 6.48 AU

Year: 11168 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,050,447 km

• M1: 84,523 km (0.088 R)
• M2: 333,454 km (0.09 R)
• M3: 664,215 km (0.107 R)
• M4: 1,707,061 km (0.076 R)
• M5: 3,469,324 km (0.104 R)
• M6: 5,587,929 km (0.089 R)
• M7: 7,630,090 km (0.109 R)
• M8: 8,408,747 km (0.096 R)
• M9: 11,106,744 km (0.111 R)
• M10: 17,707,601 km (0.112 R)
• M11: 18,317,362 km (0.045 R)
• M12: 19,258,033 km (0.115 R)
• M13: 20,230,569 km (0.11 R)
• M14: 25,052,856 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.6

Radius: 4.9

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.76 AU - 11.34 AU

Year: 20745 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,050,447 km

• M1: 60,886 km (0.072 R)
• M2: 226,342 km (0.046 R)
• M3: 465,549 km (0.042 R)
• M4: 886,667 km (0.117 R)
• M5: 1,158,636 km (0.072 R)
• M6: 1,426,565 km (0.057 R)
• M7: 1,734,587 km (0.102 R)
• M8: 2,048,743 km (0.042 R)
• M9: 2,836,076 km (0.1 R)
• M10: 3,048,954 km (0.106 R)
• M11: 4,431,388 km (0.111 R)
• M12: 5,085,879 km (0.088 R)
• M13: 6,874,321 km (0.081 R)
• M14: 8,993,076 km (0.114 R)
• M15: 11,216,998 km (0.104 R)
• M16: 12,299,787 km (0.033 R)
• M17: 12,994,819 km (0.097 R)
• M18: 15,670,078 km (0.115 R)
• M19: 15,963,738 km (0.1 R)
• M20: 16,561,831 km (0.07 R)
• M21: 18,855,764 km (0.098 R)
• M22: 20,907,499 km (0.116 R)
• M23: 21,623,175 km (0.112 R)
• M24: 26,782,357 km (0.049 R)
• M25: 28,596,381 km (0.072 R)
• M26: 30,604,583 km (0.107 R)
• M27: 36,801,675 km (0.092 R)
• M28: 38,905,769 km (0.083 R)
• M29: 50,797,004 km (0.079 R)
• M30: 53,070,742 km (0.117 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: 373 - 18,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit