🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 12.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.84 AU - 1.16 AU

Year: 690 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,786,308 km

• M1: 157,975 km (0.102 R)
• M2: 1,398,142 km (0.081 R)
• M3: 2,031,689 km (0.066 R)
• M4: 2,527,755 km (0.114 R)
• M5: 3,085,007 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.4

Radius: 14.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.89 AU - 1.17 AU

Year: 722 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,786,308 km

• M1: 184,005 km (0.12 R)
• M2: 985,401 km (0.102 R)
• M3: 1,711,848 km (0.051 R)
• M4: 2,289,895 km (0.113 R)
• M5: 3,035,191 km (0.09 R)
• M6: 3,675,620 km (0.093 R)
• M7: 4,437,671 km (0.079 R)
• M8: 6,237,932 km (0.084 R)
• M9: 6,810,443 km (0.104 R)
• M10: 8,110,598 km (0.104 R)
• M11: 8,742,200 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 13.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.21 AU - 3.05 AU

Year: 2944 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,786,308 km

• M1: 166,652 km (0.062 R)
• M2: 603,179 km (0.113 R)
• M3: 1,096,403 km (0.11 R)
• M4: 1,546,393 km (0.105 R)
• M5: 2,309,791 km (0.06 R)
• M6: 2,808,999 km (0.111 R)
• M7: 3,296,539 km (0.041 R)
• M8: 3,766,874 km (0.119 R)
• M9: 4,526,383 km (0.116 R)
• M10: 5,817,861 km (0.113 R)
• M11: 6,377,507 km (0.107 R)
• M12: 7,664,497 km (0.059 R)
• M13: 8,433,281 km (0.107 R)
• M14: 9,018,059 km (0.077 R)
• M15: 9,491,536 km (0.083 R)
• M16: 10,305,648 km (0.108 R)
• M17: 10,786,006 km (0.118 R)
• M18: 12,607,361 km (0.098 R)
• M19: 13,900,784 km (0.095 R)
• M20: 14,396,551 km (0.083 R)
• M21: 15,712,115 km (0.074 R)
• M22: 16,549,115 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.1

Radius: 9

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.48 AU - 3.44 AU

Year: 3515 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,786,308 km

• M1: 113,694 km (0.114 R)
• M2: 404,213 km (0.111 R)
• M3: 698,173 km (0.113 R)
• M4: 1,316,910 km (0.087 R)
• M5: 1,745,508 km (0.078 R)
• M6: 2,104,842 km (0.094 R)
• M7: 2,644,292 km (0.083 R)
• M8: 3,140,059 km (0.06 R)
• M9: 3,551,603 km (0.09 R)
• M10: 4,133,240 km (0.046 R)
• M11: 6,324,400 km (0.074 R)
• M12: 7,755,453 km (0.106 R)
• M13: 8,546,826 km (0.085 R)
• M14: 9,833,517 km (0.095 R)
• M15: 10,587,341 km (0.107 R)
• M16: 17,517,911 km (0.106 R)
• M17: 18,065,588 km (0.101 R)
• M18: 18,813,578 km (0.075 R)
• M19: 19,646,988 km (0.107 R)
• M20: 23,520,525 km (0.029 R)
• M21: 24,112,634 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.9

Radius: 9.6

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.22 AU - 3.74 AU

Year: 4481 Days

Day: 14.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,786,308 km

• M1: 119,379 km (0.07 R)
• M2: 476,918 km (0.098 R)
• M3: 779,704 km (0.117 R)
• M4: 1,621,342 km (0.071 R)
• M5: 2,084,497 km (0.079 R)
• M6: 2,536,432 km (0.067 R)
• M7: 3,071,095 km (0.113 R)
• M8: 5,161,875 km (0.099 R)
• M9: 5,566,986 km (0.116 R)
• M10: 5,934,996 km (0.111 R)
• M11: 6,846,945 km (0.119 R)
• M12: 8,459,610 km (0.089 R)
• M13: 9,100,786 km (0.084 R)
• M14: 10,522,864 km (0.108 R)
• M15: 11,994,308 km (0.036 R)
• M16: 12,418,418 km (0.068 R)
• M17: 15,450,767 km (0.056 R)
• M18: 16,236,904 km (0.106 R)
• M19: 18,380,642 km (0.083 R)
• M20: 19,199,092 km (0.117 R)
• M21: 20,107,450 km (0.119 R)
• M22: 21,317,248 km (0.116 R)
• M23: 22,789,141 km (0.05 R)
• M24: 23,367,337 km (0.093 R)
• M25: 24,029,308 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.3

Radius: 11.3

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.21 AU - 5.69 AU

Year: 8782 Days

Day: 11.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,786,308 km

• M1: 141,669 km (0.1 R)
• M2: 883,076 km (0.048 R)
• M3: 1,317,658 km (0.082 R)
• M4: 2,253,393 km (0.026 R)
• M5: 2,718,493 km (0.098 R)
• M6: 3,108,793 km (0.115 R)
• M7: 4,058,441 km (0.119 R)
• M8: 6,754,493 km (0.063 R)
• M9: 7,394,174 km (0.111 R)
• M10: 10,261,217 km (0.071 R)
• M11: 12,345,415 km (0.103 R)
• M12: 15,161,445 km (0.047 R)
• M13: 19,787,011 km (0.094 R)
• M14: 25,846,922 km (0.11 R)
• M15: 32,814,592 km (0.103 R)
• M16: 39,649,868 km (0.098 R)
• M17: 42,657,683 km (0.095 R)
• M18: 43,738,528 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.6

Radius: 6.1

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.52 AU - 8.54 AU

Year: 15707 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,786,308 km

• M1: 75,996 km (0.113 R)
• M2: 746,344 km (0.109 R)
• M3: 1,004,400 km (0.062 R)
• M4: 1,670,410 km (0.112 R)
• M5: 2,216,292 km (0.113 R)
• M6: 2,443,831 km (0.062 R)
• M7: 3,570,901 km (0.099 R)
• M8: 6,252,144 km (0.053 R)
• M9: 6,837,221 km (0.115 R)
• M10: 13,983,511 km (0.076 R)
• M11: 15,128,085 km (0.077 R)
• M12: 22,271,533 km (0.031 R)
• M13: 22,558,162 km (0.098 R)
• M14: 24,329,700 km (0.074 R)
• M15: 29,503,393 km (0.067 R)
• M16: 30,314,363 km (0.09 R)
• M17: 31,378,602 km (0.069 R)
• M18: 43,874,213 km (0.119 R)
• M19: 47,723,067 km (0.081 R)
• M20: 56,614,865 km (0.071 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: 254 - 10,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit