🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.7

Radius: 14.9

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 34,013,294 km

• M1: 187,895 km (0.089 R)
• M2: 738,864 km (0.109 R)
• M3: 1,242,410 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.6

Radius: 10.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.54 AU - 0.6 AU

Year: 287 Days

Day: 8.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 124.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,013,294 km

• M1: 133,142 km (0.108 R)
• M2: 500,405 km (0.084 R)
• M3: 899,532 km (0.053 R)
• M4: 1,244,505 km (0.08 R)
• M5: 1,599,500 km (0.088 R)
• M6: 2,008,800 km (0.061 R)
• M7: 2,479,734 km (0.068 R)
• M8: 2,957,101 km (0.119 R)
• M9: 3,495,354 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 13.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.66 AU - 0.72 AU

Year: 382 Days

Day: 14.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,013,294 km

• M1: 171,589 km (0.119 R)
• M2: 656,585 km (0.103 R)
• M3: 1,090,568 km (0.093 R)
• M4: 1,608,028 km (0.07 R)
• M5: 2,577,422 km (0.118 R)
• M6: 3,149,035 km (0.055 R)
• M7: 3,654,078 km (0.108 R)
• M8: 4,607,614 km (0.077 R)
• M9: 5,455,685 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580

Radius: 15

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.77 AU - 0.93 AU

Year: 523 Days

Day: 14.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,013,294 km

• M1: 186,549 km (0.104 R)
• M2: 739,761 km (0.069 R)
• M3: 1,272,779 km (0.103 R)
• M4: 1,739,524 km (0.108 R)
• M5: 2,269,699 km (0.081 R)
• M6: 2,740,633 km (0.109 R)
• M7: 3,219,645 km (0.112 R)
• M8: 4,045,126 km (0.108 R)
• M9: 4,776,810 km (0.104 R)
• M10: 5,680,530 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 11.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.87 AU - 1.35 AU

Year: 780 Days

Day: 14.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,013,294 km

• M1: 141,819 km (0.116 R)
• M2: 497,413 km (0.08 R)
• M3: 854,204 km (0.116 R)
• M4: 1,298,510 km (0.086 R)
• M5: 1,963,173 km (0.061 R)
• M6: 2,413,014 km (0.11 R)
• M7: 2,854,477 km (0.086 R)
• M8: 3,313,294 km (0.081 R)
• M9: 3,997,255 km (0.118 R)
• M10: 4,543,886 km (0.08 R)
• M11: 5,474,085 km (0.115 R)
• M12: 6,002,914 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.9

Radius: 12.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.28 AU - 4.44 AU

Year: 5057 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,013,294 km

• M1: 154,684 km (0.096 R)
• M2: 569,669 km (0.117 R)
• M3: 1,108,371 km (0.104 R)
• M4: 1,565,392 km (0.102 R)
• M5: 2,565,753 km (0.12 R)
• M6: 3,886,104 km (0.113 R)
• M7: 4,861,332 km (0.115 R)
• M8: 5,476,329 km (0.103 R)
• M9: 6,894,517 km (0.065 R)
• M10: 7,955,764 km (0.115 R)
• M11: 8,658,276 km (0.098 R)
• M12: 10,444,026 km (0.119 R)
• M13: 11,015,789 km (0.086 R)
• M14: 12,030,960 km (0.071 R)
• M15: 12,659,421 km (0.112 R)
• M16: 13,411,898 km (0.044 R)
• M17: 14,087,781 km (0.041 R)
• M18: 17,505,943 km (0.064 R)
• M19: 18,503,461 km (0.106 R)
• M20: 20,003,180 km (0.102 R)
• M21: 21,865,374 km (0.057 R)
• M22: 24,142,852 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 11.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.05 AU - 5.55 AU

Year: 8137 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,013,294 km

• M1: 148,102 km (0.114 R)
• M2: 729,589 km (0.072 R)
• M3: 1,514,529 km (0.065 R)
• M4: 2,187,869 km (0.113 R)
• M5: 2,766,065 km (0.114 R)
• M6: 3,663,951 km (0.103 R)
• M7: 4,035,403 km (0.112 R)
• M8: 4,964,854 km (0.07 R)
• M9: 5,540,058 km (0.097 R)
• M10: 6,191,407 km (0.099 R)
• M11: 6,962,734 km (0.119 R)
• M12: 8,737,413 km (0.107 R)
• M13: 9,362,732 km (0.119 R)
• M14: 11,176,607 km (0.095 R)
• M15: 12,217,658 km (0.062 R)
• M16: 13,160,424 km (0.09 R)
• M17: 21,990,139 km (0.049 R)
• M18: 23,941,643 km (0.094 R)
• M19: 24,345,258 km (0.103 R)
• M20: 25,836,599 km (0.101 R)
• M21: 29,275,107 km (0.109 R)
• M22: 29,923,015 km (0.113 R)
• M23: 31,826,947 km (0.07 R)
• M24: 32,315,384 km (0.093 R)
• M25: 33,007,424 km (0.107 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 18,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit