🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.53 AU - 0.73 AU

Year: 228 Days

Day: 15.8 Hours

Environment

Temp: -24 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.7 AU - 1.16 AU

Year: 409 Days

Day: 29.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.94 AU - 1.32 AU

Year: 548 Days

Day: 43 Hours

Environment

Temp: -92 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,300,800 km

• M1: 508,334 km (0.104 R)

Asteroid Belt

Center: 2.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.9

Radius: 12

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.46 AU - 4.48 AU

Year: 3611 Days

Day: 10.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,300,800 km

• M1: 149,598 km (0.071 R)
• M2: 560,992 km (0.061 R)
• M3: 934,987 km (0.079 R)
• M4: 1,507,049 km (0.101 R)
• M5: 2,437,847 km (0.067 R)
• M6: 2,867,941 km (0.086 R)
• M7: 3,330,049 km (0.116 R)
• M8: 3,739,498 km (0.1 R)
• M9: 4,117,083 km (0.087 R)
• M10: 4,520,249 km (0.112 R)
• M11: 5,672,751 km (0.063 R)
• M12: 6,145,181 km (0.12 R)
• M13: 9,401,179 km (0.06 R)
• M14: 10,510,298 km (0.095 R)
• M15: 12,289,016 km (0.09 R)
• M16: 12,751,722 km (0.117 R)
• M17: 13,419,079 km (0.104 R)
• M18: 18,639,595 km (0.104 R)
• M19: 19,812,892 km (0.078 R)
• M20: 20,257,347 km (0.11 R)
• M21: 21,034,807 km (0.109 R)
• M22: 22,102,188 km (0.059 R)
• M23: 22,787,496 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.5

Radius: 12.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.43 AU - 5.23 AU

Year: 4114 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,300,800 km

• M1: 162,014 km (0.117 R)
• M2: 608,863 km (0.095 R)
• M3: 1,053,917 km (0.108 R)
• M4: 1,700,030 km (0.072 R)
• M5: 2,212,403 km (0.112 R)
• M6: 4,133,389 km (0.104 R)
• M7: 4,585,773 km (0.107 R)
• M8: 5,404,971 km (0.104 R)
• M9: 5,836,112 km (0.032 R)
• M10: 7,173,816 km (0.108 R)
• M11: 8,454,972 km (0.095 R)
• M12: 8,963,755 km (0.075 R)
• M13: 9,492,733 km (0.066 R)
• M14: 10,042,505 km (0.097 R)
• M15: 11,422,994 km (0.102 R)
• M16: 12,090,799 km (0.112 R)
• M17: 14,200,727 km (0.104 R)
• M18: 14,764,562 km (0.069 R)
• M19: 15,773,450 km (0.1 R)
• M20: 17,810,524 km (0.084 R)
• M21: 18,769,895 km (0.084 R)
• M22: 19,449,369 km (0.061 R)
• M23: 21,186,649 km (0.104 R)

Asteroid Belt

Center: 5.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 8.3

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.14 AU - 7.74 AU

Year: 8347 Days

Day: 12 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,300,800 km

• M1: 103,223 km (0.101 R)
• M2: 488,437 km (0.1 R)
• M3: 1,116,748 km (0.092 R)
• M4: 1,712,596 km (0.106 R)
• M5: 2,254,889 km (0.053 R)
• M6: 4,661,170 km (0.04 R)
• M7: 5,807,838 km (0.059 R)
• M8: 8,094,591 km (0.083 R)
• M9: 10,688,469 km (0.102 R)
• M10: 10,970,311 km (0.053 R)
• M11: 13,353,106 km (0.086 R)
• M12: 14,012,683 km (0.079 R)
• M13: 14,867,635 km (0.06 R)
• M14: 21,925,962 km (0.114 R)
• M15: 22,305,192 km (0.116 R)
• M16: 24,106,650 km (0.063 R)
• M17: 27,819,370 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.4

Radius: 7.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 10.16 AU - 11.78 AU

Year: 16589 Days

Day: 17.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,300,800 km

• M1: 118,033 km (0.109 R)
• M2: 1,166,863 km (0.115 R)
• M3: 1,555,519 km (0.117 R)
• M4: 1,932,655 km (0.101 R)
• M5: 2,424,383 km (0.026 R)
• M6: 3,125,548 km (0.095 R)
• M7: 4,546,728 km (0.048 R)
• M8: 9,631,859 km (0.076 R)
• M9: 15,314,633 km (0.096 R)
• M10: 16,161,357 km (0.112 R)
• M11: 20,632,838 km (0.082 R)
• M12: 27,916,159 km (0.117 R)
• M13: 28,396,967 km (0.088 R)
• M14: 28,785,622 km (0.108 R)
• M15: 29,672,887 km (0.039 R)
• M16: 31,502,170 km (0.097 R)
• M17: 31,814,082 km (0.116 R)
• M18: 34,275,116 km (0.107 R)
• M19: 34,826,384 km (0.085 R)
• M20: 40,546,109 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.3

Radius: 6.3

Gravity: 21.98 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 12.08 AU - 12.42 AU

Year: 19575 Days

Day: 23.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,300,800 km

• M1: 78,389 km (0.07 R)
• M2: 644,318 km (0.084 R)
• M3: 919,877 km (0.046 R)
• M4: 1,132,456 km (0.12 R)
• M5: 1,393,654 km (0.12 R)
• M6: 2,163,484 km (0.085 R)
• M7: 2,521,472 km (0.096 R)
• M8: 2,997,193 km (0.114 R)
• M9: 4,060,535 km (0.093 R)
• M10: 5,514,028 km (0.091 R)
• M11: 6,010,394 km (0.118 R)
• M12: 9,230,338 km (0.108 R)
• M13: 9,459,672 km (0.064 R)
• M14: 10,049,536 km (0.12 R)
• M15: 10,415,004 km (0.033 R)
• M16: 10,979,885 km (0.068 R)
• M17: 11,697,656 km (0.092 R)
• M18: 16,007,870 km (0.033 R)
• M19: 16,675,076 km (0.106 R)
• M20: 19,813,041 km (0.065 R)
• M21: 23,856,672 km (0.104 R)
• M22: 24,072,093 km (0.041 R)
• M23: 25,392,593 km (0.113 R)
• M24: 29,026,026 km (0.116 R)
• M25: 32,991,566 km (0.092 R)
• M26: 41,353,190 km (0.099 R)
• M27: 43,724,615 km (0.108 R)
• M28: 46,018,549 km (0.1 R)
• M29: 48,563,957 km (0.115 R)
• M30: 69,496,738 km (0.118 R)
• M31: 72,388,914 km (0.08 R)
• M32: 74,207,874 km (0.053 R)
• M33: 74,437,357 km (0.103 R)
• M34: 79,367,056 km (0.103 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: 182 - 11,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit