🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.9

Radius: 8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.48 AU - 0.62 AU

Year: 287 Days

Day: 7.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,835,900 km

• M1: 99,483 km (0.072 R)
• M2: 424,409 km (0.055 R)
• M3: 696,528 km (0.112 R)
• M4: 1,048,831 km (0.059 R)
• M5: 1,342,940 km (0.097 R)
• M6: 1,619,846 km (0.081 R)
• M7: 2,068,490 km (0.073 R)
• M8: 2,448,468 km (0.114 R)

Asteroid Belt

Center: 1.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.4

Radius: 9.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.3 AU - 1.88 AU

Year: 1409 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,835,900 km

• M1: 123,269 km (0.086 R)
• M2: 498,311 km (0.061 R)
• M3: 864,526 km (0.079 R)
• M4: 1,269,188 km (0.108 R)
• M5: 1,929,962 km (0.071 R)
• M6: 2,325,499 km (0.111 R)
• M7: 2,983,430 km (0.111 R)
• M8: 3,965,092 km (0.103 R)
• M9: 4,859,388 km (0.105 R)
• M10: 5,614,109 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.7

Radius: 11.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.88 AU - 2.5 AU

Year: 2278 Days

Day: 11.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,835,900 km

• M1: 145,559 km (0.075 R)
• M2: 845,677 km (0.103 R)
• M3: 1,268,440 km (0.071 R)
• M4: 1,740,422 km (0.05 R)
• M5: 2,483,773 km (0.11 R)
• M6: 2,912,671 km (0.039 R)
• M7: 3,415,619 km (0.079 R)
• M8: 5,265,845 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.9

Radius: 14.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.04 AU - 2.54 AU

Year: 2436 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,835,900 km

• M1: 179,817 km (0.067 R)
• M2: 1,019,809 km (0.077 R)
• M3: 2,259,676 km (0.084 R)
• M4: 3,077,228 km (0.094 R)
• M5: 3,568,358 km (0.105 R)
• M6: 4,057,992 km (0.098 R)
• M7: 4,938,974 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 12.9

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.2 AU - 4.5 AU

Year: 6377 Days

Day: 7 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,835,900 km

• M1: 162,463 km (0.053 R)
• M2: 597,643 km (0.108 R)
• M3: 1,172,698 km (0.083 R)
• M4: 1,603,390 km (0.068 R)
• M5: 2,410,620 km (0.068 R)
• M6: 3,635,079 km (0.05 R)
• M7: 4,412,988 km (0.085 R)
• M8: 5,178,330 km (0.084 R)
• M9: 5,768,793 km (0.119 R)
• M10: 6,649,177 km (0.084 R)
• M11: 8,054,349 km (0.06 R)
• M12: 8,848,714 km (0.052 R)
• M13: 10,066,740 km (0.102 R)
• M14: 10,988,861 km (0.056 R)
• M15: 12,019,441 km (0.114 R)
• M16: 13,859,495 km (0.112 R)
• M17: 14,512,639 km (0.073 R)
• M18: 17,537,508 km (0.054 R)
• M19: 17,951,744 km (0.112 R)
• M20: 18,728,307 km (0.1 R)
• M21: 20,882,965 km (0.064 R)
• M22: 21,900,679 km (0.11 R)
• M23: 22,624,434 km (0.065 R)
• M24: 25,152,488 km (0.1 R)
• M25: 28,428,233 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 14.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.34 AU - 5.46 AU

Year: 7624 Days

Day: 5.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,835,900 km

• M1: 180,265 km (0.071 R)
• M2: 646,712 km (0.083 R)
• M3: 1,152,053 km (0.109 R)
• M4: 1,807,591 km (0.046 R)
• M5: 2,377,559 km (0.063 R)
• M6: 3,207,977 km (0.082 R)
• M7: 3,680,706 km (0.09 R)
• M8: 4,822,886 km (0.107 R)
• M9: 6,029,991 km (0.105 R)
• M10: 6,756,289 km (0.091 R)
• M11: 8,109,102 km (0.057 R)
• M12: 8,584,674 km (0.118 R)
• M13: 10,444,624 km (0.051 R)
• M14: 12,718,213 km (0.079 R)
• M15: 13,914,846 km (0.117 R)
• M16: 16,219,252 km (0.108 R)
• M17: 18,224,611 km (0.075 R)
• M18: 22,181,624 km (0.026 R)
• M19: 26,160,628 km (0.115 R)
• M20: 31,360,950 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.4

Radius: 6.6

Gravity: 22.21 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.6 AU - 6.5 AU

Year: 9191 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,835,900 km

• M1: 82,129 km (0.096 R)
• M2: 994,826 km (0.072 R)
• M3: 2,024,508 km (0.099 R)
• M4: 2,489,757 km (0.107 R)
• M5: 2,779,977 km (0.108 R)
• M6: 3,023,822 km (0.053 R)
• M7: 3,683,399 km (0.104 R)
• M8: 4,061,283 km (0.103 R)
• M9: 4,584,726 km (0.109 R)
• M10: 5,317,905 km (0.059 R)
• M11: 7,638,168 km (0.086 R)
• M12: 8,572,407 km (0.11 R)
• M13: 9,187,553 km (0.049 R)
• M14: 10,990,208 km (0.107 R)
• M15: 12,178,164 km (0.11 R)
• M16: 15,007,808 km (0.099 R)
• M17: 15,484,128 km (0.085 R)
• M18: 16,973,524 km (0.025 R)
• M19: 17,193,882 km (0.091 R)
• M20: 17,715,380 km (0.094 R)
• M21: 19,664,341 km (0.085 R)
• M22: 19,907,437 km (0.071 R)
• M23: 20,234,608 km (0.079 R)
• M24: 21,323,082 km (0.113 R)
• M25: 22,538,116 km (0.073 R)
• M26: 28,893,183 km (0.099 R)
• M27: 35,381,692 km (0.099 R)
• M28: 36,224,975 km (0.111 R)
• M29: 37,951,633 km (0.119 R)
• M30: 42,913,645 km (0.049 R)
• M31: 46,403,764 km (0.117 R)
• M32: 50,078,336 km (0.086 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: 390 - 12,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit