🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.59 AU - 0.65 AU

Year: 315 Days

Day: 20.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,514,982 km

• M1: 46,974 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.57 AU - 0.73 AU

Year: 338 Days

Day: 29.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.5

Radius: 8.4

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.64 AU - 0.9 AU

Year: 436 Days

Day: 13.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,514,982 km

• M1: 104,419 km (0.118 R)
• M2: 412,441 km (0.095 R)
• M3: 819,647 km (0.108 R)
• M4: 1,332,169 km (0.075 R)
• M5: 1,626,877 km (0.067 R)
• M6: 1,899,893 km (0.091 R)
• M7: 2,309,791 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.7

Radius: 8.4

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.74 AU - 2.36 AU

Year: 1895 Days

Day: 13 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,514,982 km

• M1: 111,301 km (0.1 R)
• M2: 466,745 km (0.11 R)
• M3: 807,978 km (0.037 R)
• M4: 1,291,927 km (0.099 R)
• M5: 1,845,140 km (0.117 R)
• M6: 2,165,280 km (0.032 R)
• M7: 2,472,853 km (0.086 R)
• M8: 3,191,222 km (0.099 R)
• M9: 4,344,921 km (0.119 R)
• M10: 5,179,078 km (0.112 R)
• M11: 6,116,159 km (0.11 R)
• M12: 8,609,507 km (0.09 R)
• M13: 11,218,793 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.7

Radius: 4.4

Gravity: 15.27 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.48 AU - 7.2 AU

Year: 11550 Days

Day: 19.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,514,982 km

• M1: 56,249 km (0.079 R)
• M2: 224,098 km (0.071 R)
• M3: 669,600 km (0.104 R)
• M4: 1,218,325 km (0.106 R)
• M5: 1,409,212 km (0.115 R)
• M6: 2,527,755 km (0.118 R)
• M7: 3,931,133 km (0.053 R)
• M8: 4,349,857 km (0.07 R)
• M9: 5,275,719 km (0.095 R)
• M10: 5,622,187 km (0.077 R)
• M11: 5,983,765 km (0.056 R)
• M12: 6,608,636 km (0.104 R)
• M13: 6,753,147 km (0.039 R)
• M14: 7,352,735 km (0.096 R)
• M15: 8,486,089 km (0.106 R)
• M16: 10,941,289 km (0.036 R)
• M17: 12,632,343 km (0.112 R)
• M18: 12,967,742 km (0.115 R)
• M19: 13,656,341 km (0.12 R)
• M20: 14,981,329 km (0.045 R)
• M21: 15,420,399 km (0.066 R)
• M22: 16,588,609 km (0.102 R)
• M23: 16,788,771 km (0.089 R)
• M24: 17,194,181 km (0.106 R)
• M25: 19,026,605 km (0.115 R)
• M26: 20,065,263 km (0.094 R)
• M27: 20,675,473 km (0.1 R)
• M28: 21,772,923 km (0.12 R)
• M29: 22,174,144 km (0.078 R)
• M30: 22,661,983 km (0.038 R)
• M31: 25,385,711 km (0.09 R)
• M32: 27,287,100 km (0.083 R)
• M33: 28,319,924 km (0.081 R)
• M34: 28,701,847 km (0.119 R)
• M35: 31,676,751 km (0.047 R)
• M36: 38,230,484 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.8

Radius: 7.8

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.81 AU - 9.89 AU

Year: 19960 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,514,982 km

• M1: 96,939 km (0.082 R)
• M2: 594,053 km (0.093 R)
• M3: 878,887 km (0.047 R)
• M4: 1,159,084 km (0.046 R)
• M5: 1,581,848 km (0.047 R)
• M6: 1,944,024 km (0.096 R)
• M7: 2,187,270 km (0.104 R)
• M8: 2,662,693 km (0.112 R)
• M9: 3,850,649 km (0.087 R)
• M10: 4,509,628 km (0.115 R)
• M11: 6,440,488 km (0.066 R)
• M12: 8,222,946 km (0.117 R)
• M13: 9,087,173 km (0.099 R)
• M14: 10,868,435 km (0.091 R)
• M15: 12,870,952 km (0.076 R)
• M16: 14,950,662 km (0.105 R)
• M17: 18,029,236 km (0.116 R)
• M18: 19,763,524 km (0.078 R)
• M19: 24,417,215 km (0.082 R)
• M20: 26,881,092 km (0.105 R)
• M21: 33,621,972 km (0.031 R)
• M22: 35,676,848 km (0.096 R)
• M23: 37,959,263 km (0.104 R)
• M24: 39,733,793 km (0.086 R)
• M25: 44,734,999 km (0.09 R)
• M26: 46,213,774 km (0.047 R)
• M27: 55,026,435 km (0.08 R)
• M28: 56,533,035 km (0.032 R)
• M29: 57,680,900 km (0.083 R)
• M30: 61,820,572 km (0.074 R)
• M31: 70,906,848 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.3

Radius: 3.7

Gravity: 41.73 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 10.62 AU - 11.28 AU

Year: 23396 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,514,982 km

• M1: 46,076 km (0.067 R)
• M2: 176,525 km (0.105 R)
• M3: 359,484 km (0.115 R)
• M4: 771,476 km (0.11 R)
• M5: 892,202 km (0.087 R)
• M6: 1,287,738 km (0.109 R)
• M7: 1,680,732 km (0.043 R)
• M8: 1,944,324 km (0.06 R)
• M9: 2,553,636 km (0.118 R)
• M10: 3,815,793 km (0.051 R)
• M11: 4,510,675 km (0.116 R)
• M12: 5,286,190 km (0.026 R)
• M13: 5,767,148 km (0.089 R)
• M14: 7,882,611 km (0.098 R)
• M15: 8,725,296 km (0.119 R)
• M16: 10,402,737 km (0.07 R)
• M17: 11,155,663 km (0.103 R)
• M18: 11,284,616 km (0.114 R)
• M19: 13,052,414 km (0.08 R)
• M20: 21,271,321 km (0.112 R)
• M21: 21,569,320 km (0.094 R)
• M22: 23,101,352 km (0.089 R)
• M23: 25,143,961 km (0.085 R)
• M24: 26,379,939 km (0.061 R)
• M25: 38,782,650 km (0.113 R)
• M26: 40,429,722 km (0.104 R)
• M27: 42,435,680 km (0.088 R)
• M28: 46,145,408 km (0.113 R)
• M29: 58,172,179 km (0.051 R)
• M30: 60,525,803 km (0.081 R)
• M31: 61,123,895 km (0.106 R)
• M32: 63,555,907 km (0.092 R)
• M33: 64,795,775 km (0.116 R)
• M34: 74,384,549 km (0.066 R)
• M35: 77,857,763 km (0.102 R)
• M36: 78,565,211 km (0.03 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 12,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit