🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 14.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.49 AU - 0.67 AU

Year: 300 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,552,413 km

• M1: 182,809 km (0.08 R)
• M2: 804,388 km (0.12 R)
• M3: 1,268,440 km (0.049 R)
• M4: 1,808,189 km (0.036 R)
• M5: 2,485,269 km (0.08 R)
• M6: 2,942,740 km (0.072 R)
• M7: 3,829,257 km (0.107 R)
• M8: 4,523,690 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 8.6

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.77 AU - 0.85 AU

Year: 494 Days

Day: 11 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,552,413 km

• M1: 107,411 km (0.092 R)
• M2: 708,496 km (0.062 R)
• M3: 1,122,134 km (0.072 R)
• M4: 1,395,898 km (0.063 R)
• M5: 1,676,394 km (0.07 R)
• M6: 2,238,882 km (0.115 R)
• M7: 3,214,559 km (0.065 R)
• M8: 4,054,401 km (0.098 R)
• M9: 4,374,691 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.8

Radius: 14.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.91 AU - 0.93 AU

Year: 599 Days

Day: 10.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 79.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,552,413 km

• M1: 179,218 km (0.071 R)
• M2: 641,326 km (0.084 R)
• M3: 1,258,417 km (0.048 R)
• M4: 2,515,189 km (0.059 R)
• M5: 3,461,545 km (0.097 R)
• M6: 3,975,414 km (0.116 R)
• M7: 4,618,535 km (0.103 R)
• M8: 5,124,774 km (0.091 R)
• M9: 5,595,708 km (0.068 R)
• M10: 6,230,153 km (0.063 R)
• M11: 7,336,579 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.6

Radius: 13

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.93 AU - 1.05 AU

Year: 668 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,552,413 km

• M1: 161,715 km (0.115 R)
• M2: 620,382 km (0.061 R)
• M3: 1,295,368 km (0.107 R)
• M4: 1,824,196 km (0.084 R)
• M5: 2,572,934 km (0.089 R)
• M6: 3,773,457 km (0.073 R)
• M7: 4,179,914 km (0.093 R)
• M8: 4,836,499 km (0.112 R)
• M9: 5,753,235 km (0.078 R)
• M10: 6,191,856 km (0.085 R)
• M11: 6,760,777 km (0.108 R)
• M12: 8,028,170 km (0.117 R)
• M13: 8,783,190 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 9.1

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.03 AU - 1.23 AU

Year: 815 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,552,413 km

• M1: 113,096 km (0.115 R)
• M2: 434,731 km (0.118 R)
• M3: 789,578 km (0.108 R)
• M4: 1,369,120 km (0.116 R)
• M5: 1,842,896 km (0.034 R)
• M6: 2,262,369 km (0.072 R)
• M7: 2,568,895 km (0.093 R)
• M8: 2,966,077 km (0.079 R)
• M9: 3,884,458 km (0.117 R)
• M10: 4,261,894 km (0.088 R)
• M11: 4,873,899 km (0.12 R)
• M12: 5,543,349 km (0.109 R)
• M13: 8,021,139 km (0.117 R)
• M14: 8,504,789 km (0.061 R)
• M15: 9,307,680 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.1

Radius: 13

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.3 AU - 1.6 AU

Year: 1184 Days

Day: 9.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,552,413 km

• M1: 161,715 km (0.067 R)
• M2: 614,099 km (0.086 R)
• M3: 1,184,067 km (0.09 R)
• M4: 1,594,115 km (0.046 R)
• M5: 2,244,566 km (0.12 R)
• M6: 2,677,652 km (0.091 R)
• M7: 3,254,202 km (0.096 R)
• M8: 3,879,222 km (0.1 R)
• M9: 6,178,691 km (0.055 R)
• M10: 6,891,525 km (0.058 R)
• M11: 7,370,837 km (0.104 R)
• M12: 8,396,779 km (0.104 R)
• M13: 9,763,355 km (0.065 R)
• M14: 10,598,710 km (0.075 R)
• M15: 11,238,989 km (0.075 R)
• M16: 11,940,603 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 9.8

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.26 AU - 4.25 AU

Year: 4925 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,552,413 km

• M1: 122,969 km (0.066 R)
• M2: 461,061 km (0.047 R)
• M3: 962,064 km (0.087 R)
• M4: 1,379,143 km (0.065 R)
• M5: 1,779,317 km (0.113 R)
• M6: 2,194,451 km (0.088 R)
• M7: 2,551,691 km (0.08 R)
• M8: 6,479,084 km (0.074 R)
• M9: 6,877,014 km (0.095 R)
• M10: 9,490,639 km (0.072 R)
• M11: 9,831,273 km (0.101 R)
• M12: 10,718,837 km (0.095 R)
• M13: 12,601,825 km (0.101 R)
• M14: 13,594,856 km (0.109 R)
• M15: 14,470,901 km (0.066 R)
• M16: 17,451,639 km (0.111 R)
• M17: 18,951,208 km (0.109 R)
• M18: 19,356,169 km (0.096 R)
• M19: 21,105,716 km (0.095 R)
• M20: 24,437,261 km (0.081 R)
• M21: 24,756,353 km (0.083 R)
• M22: 25,648,705 km (0.086 R)
• M23: 25,978,418 km (0.078 R)
• M24: 26,562,299 km (0.098 R)
• M25: 27,929,623 km (0.114 R)
• M26: 28,542,376 km (0.111 R)
• M27: 30,159,080 km (0.086 R)
• M28: 30,990,097 km (0.11 R)
• M29: 31,458,188 km (0.036 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 17,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit