🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.6

Radius: 14.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.16 AU - 1.46 AU

Year: 1035 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,566,266 km

• M1: 176,675 km (0.117 R)
• M2: 709,244 km (0.106 R)
• M3: 1,247,347 km (0.062 R)
• M4: 1,689,259 km (0.114 R)
• M5: 2,386,684 km (0.105 R)
• M6: 3,130,934 km (0.053 R)
• M7: 4,012,065 km (0.088 R)
• M8: 4,467,292 km (0.062 R)
• M9: 5,248,492 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.6

Radius: 10.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.82 AU - 2.18 AU

Year: 1952 Days

Day: 10 Hours

Environment

Temp: -196 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,566,266 km

• M1: 130,599 km (0.068 R)
• M2: 583,880 km (0.084 R)
• M3: 959,820 km (0.108 R)
• M4: 1,566,439 km (0.099 R)
• M5: 2,036,326 km (0.101 R)
• M6: 2,484,821 km (0.095 R)
• M7: 3,152,925 km (0.11 R)
• M8: 3,529,762 km (0.073 R)
• M9: 3,979,154 km (0.038 R)
• M10: 4,344,771 km (0.076 R)
• M11: 5,110,114 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.1

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.29 AU - 3.19 AU

Year: 3131 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,566,266 km

• M1: 179,667 km (0.114 R)
• M2: 679,174 km (0.03 R)
• M3: 1,804,150 km (0.036 R)
• M4: 3,471,718 km (0.083 R)
• M5: 4,294,506 km (0.099 R)
• M6: 7,760,240 km (0.065 R)
• M7: 14,329,980 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 9.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.76 AU - 3.86 AU

Year: 4157 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,566,266 km

• M1: 119,379 km (0.096 R)
• M2: 522,097 km (0.065 R)
• M3: 1,697,936 km (0.092 R)
• M4: 2,025,256 km (0.071 R)
• M5: 3,100,865 km (0.102 R)
• M6: 4,785,935 km (0.099 R)
• M7: 5,596,456 km (0.026 R)
• M8: 7,673,922 km (0.106 R)
• M9: 8,546,078 km (0.098 R)
• M10: 9,339,844 km (0.079 R)
• M11: 10,106,832 km (0.1 R)
• M12: 17,226,943 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 14.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.58 AU - 3.68 AU

Year: 4774 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 16,566,266 km

• M1: 178,021 km (0.08 R)
• M2: 624,571 km (0.112 R)
• M3: 1,108,071 km (0.08 R)
• M4: 1,879,099 km (0.066 R)
• M5: 2,402,841 km (0.09 R)
• M6: 2,936,756 km (0.078 R)
• M7: 3,962,399 km (0.111 R)
• M8: 4,714,128 km (0.12 R)
• M9: 5,293,221 km (0.095 R)
• M10: 5,835,065 km (0.118 R)
• M11: 6,810,443 km (0.1 R)
• M12: 8,785,434 km (0.096 R)
• M13: 9,587,129 km (0.065 R)
• M14: 10,731,403 km (0.12 R)
• M15: 11,873,733 km (0.11 R)
• M16: 13,095,648 km (0.111 R)
• M17: 13,989,645 km (0.111 R)
• M18: 15,190,766 km (0.114 R)
• M19: 17,090,958 km (0.087 R)
• M20: 18,402,184 km (0.053 R)
• M21: 19,397,159 km (0.072 R)
• M22: 20,889,847 km (0.115 R)
• M23: 21,426,604 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 14.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.51 AU - 4.09 AU

Year: 5113 Days

Day: 14.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,566,266 km

• M1: 180,565 km (0.053 R)
• M2: 720,613 km (0.072 R)
• M3: 1,279,511 km (0.078 R)
• M4: 2,358,410 km (0.051 R)
• M5: 3,220,094 km (0.101 R)
• M6: 4,355,392 km (0.113 R)
• M7: 5,713,891 km (0.095 R)
• M8: 6,998,488 km (0.066 R)
• M9: 11,022,371 km (0.12 R)
• M10: 13,734,132 km (0.105 R)
• M11: 15,046,554 km (0.069 R)
• M12: 18,432,851 km (0.097 R)
• M13: 20,650,490 km (0.073 R)
• M14: 23,570,641 km (0.029 R)
• M15: 25,369,106 km (0.11 R)
• M16: 26,097,349 km (0.114 R)
• M17: 28,279,233 km (0.087 R)
• M18: 30,038,654 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 8.6

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.08 AU - 4.64 AU

Year: 5235 Days

Day: 11.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,566,266 km

• M1: 110,104 km (0.059 R)
• M2: 379,829 km (0.115 R)
• M3: 661,671 km (0.1 R)
• M4: 1,596,808 km (0.099 R)
• M5: 1,893,311 km (0.09 R)
• M6: 3,662,156 km (0.054 R)
• M7: 4,164,057 km (0.11 R)
• M8: 7,389,387 km (0.114 R)
• M9: 8,191,231 km (0.102 R)
• M10: 9,148,957 km (0.094 R)
• M11: 10,503,117 km (0.106 R)
• M12: 11,323,512 km (0.079 R)
• M13: 14,308,139 km (0.076 R)
• M14: 14,897,854 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 18,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit