🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 9.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.71 AU - 0.81 AU

Year: 449 Days

Day: 14.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,907,356 km

• M1: 115,639 km (0.056 R)
• M2: 452,234 km (0.082 R)
• M3: 1,163,871 km (0.11 R)
• M4: 1,518,119 km (0.083 R)
• M5: 1,951,654 km (0.077 R)
• M6: 2,290,792 km (0.105 R)
• M7: 3,180,600 km (0.113 R)
• M8: 3,575,240 km (0.1 R)
• M9: 4,099,131 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 12.9

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.89 AU - 0.97 AU

Year: 608 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,907,356 km

• M1: 160,519 km (0.086 R)
• M2: 564,882 km (0.119 R)
• M3: 1,301,352 km (0.117 R)
• M4: 1,817,016 km (0.104 R)
• M5: 2,369,181 km (0.092 R)
• M6: 3,055,537 km (0.08 R)
• M7: 3,601,718 km (0.098 R)
• M8: 5,589,575 km (0.116 R)
• M9: 6,217,437 km (0.085 R)
• M10: 6,769,603 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.3

Radius: 8.8

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.15 AU - 1.25 AU

Year: 892 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,907,356 km

• M1: 109,506 km (0.112 R)
• M2: 404,064 km (0.066 R)
• M3: 831,914 km (0.088 R)
• M4: 1,118,842 km (0.112 R)
• M5: 1,526,347 km (0.092 R)
• M6: 1,813,425 km (0.109 R)
• M7: 2,391,172 km (0.065 R)
• M8: 2,735,098 km (0.086 R)
• M9: 3,440,901 km (0.111 R)
• M10: 3,749,521 km (0.079 R)
• M11: 4,603,126 km (0.109 R)
• M12: 5,049,377 km (0.078 R)
• M13: 5,356,501 km (0.094 R)
• M14: 7,084,357 km (0.114 R)
• M15: 7,750,815 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 11.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.04 AU - 1.38 AU

Year: 903 Days

Day: 5.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,907,356 km

• M1: 147,055 km (0.09 R)
• M2: 519,254 km (0.087 R)
• M3: 951,592 km (0.12 R)
• M4: 1,467,256 km (0.102 R)
• M5: 2,109,928 km (0.035 R)
• M6: 2,508,158 km (0.108 R)
• M7: 3,419,508 km (0.112 R)
• M8: 3,815,643 km (0.112 R)
• M9: 4,365,864 km (0.105 R)
• M10: 5,737,976 km (0.112 R)
• M11: 6,121,994 km (0.112 R)
• M12: 6,751,651 km (0.107 R)
• M13: 7,446,384 km (0.108 R)
• M14: 7,927,640 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.8

Radius: 11.7

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.7 AU - 4.46 AU

Year: 4594 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,907,356 km

• M1: 205,248 km (0.107 R)
• M2: 606,619 km (0.118 R)
• M3: 1,005,298 km (0.11 R)
• M4: 1,526,347 km (0.062 R)
• M5: 2,461,783 km (0.113 R)
• M6: 3,143,799 km (0.06 R)
• M7: 3,879,970 km (0.067 R)
• M8: 7,264,323 km (0.101 R)
• M9: 7,761,586 km (0.119 R)
• M10: 8,434,328 km (0.033 R)
• M11: 11,052,889 km (0.071 R)
• M12: 11,426,285 km (0.084 R)
• M13: 11,904,849 km (0.1 R)
• M14: 13,846,929 km (0.108 R)
• M15: 14,668,819 km (0.089 R)
• M16: 16,773,960 km (0.093 R)
• M17: 21,720,414 km (0.065 R)
• M18: 22,307,586 km (0.096 R)
• M19: 22,905,080 km (0.117 R)
• M20: 24,921,360 km (0.107 R)
• M21: 25,646,012 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.5

Radius: 4

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.24 AU - 7.14 AU

Year: 10445 Days

Day: 20.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,907,356 km

• M1: 50,115 km (0.119 R)
• M2: 281,543 km (0.114 R)
• M3: 452,234 km (0.064 R)
• M4: 733,628 km (0.1 R)
• M5: 1,000,810 km (0.104 R)
• M6: 1,549,834 km (0.09 R)
• M7: 2,199,238 km (0.115 R)
• M8: 2,698,596 km (0.048 R)
• M9: 3,229,519 km (0.082 R)
• M10: 7,165,588 km (0.113 R)
• M11: 8,711,982 km (0.091 R)
• M12: 11,333,983 km (0.066 R)
• M13: 12,495,312 km (0.081 R)
• M14: 13,001,850 km (0.095 R)
• M15: 14,603,595 km (0.054 R)
• M16: 18,386,027 km (0.067 R)
• M17: 20,956,867 km (0.045 R)
• M18: 21,961,416 km (0.103 R)
• M19: 23,223,723 km (0.096 R)
• M20: 24,065,959 km (0.086 R)
• M21: 25,892,250 km (0.118 R)
• M22: 27,299,966 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 18,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit