🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.8

Radius: 12.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.62 AU - 0.84 AU

Year: 423 Days

Day: 10.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,289,463 km

• M1: 160,369 km (0.075 R)
• M2: 601,383 km (0.045 R)
• M3: 1,003,802 km (0.106 R)
• M4: 1,719,029 km (0.117 R)
• M5: 2,287,202 km (0.107 R)
• M6: 2,745,719 km (0.093 R)
• M7: 3,226,377 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303

Radius: 10.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.66 AU - 0.94 AU

Year: 485 Days

Day: 13.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,289,463 km

• M1: 131,796 km (0.115 R)
• M2: 462,407 km (0.093 R)
• M3: 948,750 km (0.089 R)
• M4: 1,406,220 km (0.094 R)
• M5: 1,970,802 km (0.096 R)
• M6: 2,607,192 km (0.102 R)
• M7: 3,375,377 km (0.065 R)
• M8: 3,717,806 km (0.112 R)
• M9: 4,159,419 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 15

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.79 AU - 0.97 AU

Year: 560 Days

Day: 10.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,289,463 km

• M1: 186,997 km (0.087 R)
• M2: 792,869 km (0.069 R)
• M3: 2,008,800 km (0.119 R)
• M4: 2,557,226 km (0.099 R)
• M5: 3,267,666 km (0.118 R)
• M6: 4,438,718 km (0.106 R)
• M7: 6,064,249 km (0.073 R)
• M8: 7,076,727 km (0.074 R)
• M9: 7,736,603 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.4

Radius: 11.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.15 AU - 1.85 AU

Year: 1246 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,289,463 km

• M1: 147,952 km (0.065 R)
• M2: 675,285 km (0.096 R)
• M3: 1,299,706 km (0.05 R)
• M4: 2,576,823 km (0.115 R)
• M5: 3,374,928 km (0.07 R)
• M6: 3,961,202 km (0.034 R)
• M7: 4,365,864 km (0.039 R)
• M8: 4,779,502 km (0.109 R)
• M9: 5,623,833 km (0.055 R)
• M10: 6,203,225 km (0.114 R)
• M11: 6,634,516 km (0.115 R)
• M12: 7,061,468 km (0.091 R)
• M13: 8,928,450 km (0.117 R)
• M14: 10,681,886 km (0.081 R)
• M15: 11,104,500 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.39 AU - 1.95 AU

Year: 1464 Days

Day: 5.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,289,463 km

• M1: 112,198 km (0.055 R)
• M2: 396,584 km (0.12 R)
• M3: 679,324 km (0.081 R)
• M4: 1,020,257 km (0.037 R)
• M5: 1,400,535 km (0.04 R)
• M6: 2,087,638 km (0.07 R)
• M7: 2,443,232 km (0.066 R)
• M8: 2,788,504 km (0.03 R)
• M9: 4,249,477 km (0.09 R)
• M10: 4,957,374 km (0.084 R)
• M11: 5,277,214 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.9

Radius: 8.4

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.8 AU - 2.32 AU

Year: 2005 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,289,463 km

• M1: 104,569 km (0.096 R)
• M2: 408,552 km (0.11 R)
• M3: 779,704 km (0.106 R)
• M4: 1,130,661 km (0.077 R)
• M5: 1,950,457 km (0.063 R)
• M6: 3,087,102 km (0.04 R)
• M7: 3,373,432 km (0.078 R)
• M8: 4,038,993 km (0.093 R)
• M9: 4,636,487 km (0.076 R)
• M10: 5,778,218 km (0.101 R)
• M11: 6,591,432 km (0.086 R)
• M12: 7,568,755 km (0.095 R)
• M13: 8,092,198 km (0.109 R)
• M14: 8,378,977 km (0.049 R)
• M15: 9,384,274 km (0.045 R)
• M16: 9,988,500 km (0.107 R)
• M17: 11,117,815 km (0.119 R)
• M18: 11,512,454 km (0.041 R)
• M19: 12,080,776 km (0.071 R)
• M20: 13,141,874 km (0.051 R)
• M21: 13,583,187 km (0.081 R)
• M22: 14,871,973 km (0.114 R)
• M23: 15,158,453 km (0.096 R)
• M24: 15,448,523 km (0.078 R)
• M25: 16,851,751 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 11.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.8 AU - 2.96 AU

Year: 2490 Days

Day: 8.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,289,463 km

• M1: 145,559 km (0.104 R)
• M2: 537,655 km (0.095 R)
• M3: 923,318 km (0.092 R)
• M4: 1,454,091 km (0.092 R)
• M5: 1,873,115 km (0.078 R)
• M6: 2,472,105 km (0.116 R)
• M7: 2,945,283 km (0.055 R)
• M8: 4,261,595 km (0.068 R)
• M9: 4,717,868 km (0.042 R)
• M10: 5,858,253 km (0.12 R)
• M11: 6,820,616 km (0.113 R)
• M12: 8,078,883 km (0.095 R)
• M13: 9,234,826 km (0.079 R)
• M14: 9,741,664 km (0.118 R)
• M15: 10,152,908 km (0.08 R)
• M16: 10,653,762 km (0.063 R)
• M17: 12,647,902 km (0.096 R)
• M18: 15,027,106 km (0.027 R)
• M19: 15,678,455 km (0.097 R)
• M20: 17,801,099 km (0.074 R)
• M21: 18,989,056 km (0.074 R)
• M22: 19,396,561 km (0.093 R)
• M23: 19,869,440 km (0.041 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 15,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit