🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.7 AU - 1.96 AU

Year: 918 Days

Day: 20.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.6

Radius: 14.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.85 AU - 6.19 AU

Year: 4171 Days

Day: 14.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,837,001 km

• M1: 186,549 km (0.103 R)
• M2: 670,198 km (0.076 R)
• M3: 1,505,104 km (0.045 R)
• M4: 1,966,464 km (0.119 R)
• M5: 2,634,867 km (0.086 R)
• M6: 3,261,084 km (0.099 R)
• M7: 4,964,256 km (0.059 R)
• M8: 6,155,952 km (0.115 R)
• M9: 10,881,300 km (0.102 R)
• M10: 12,221,548 km (0.031 R)
• M11: 12,835,348 km (0.025 R)
• M12: 13,921,129 km (0.089 R)
• M13: 16,107,053 km (0.075 R)
• M14: 19,898,761 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 8.7

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.44 AU - 7.86 AU

Year: 7090 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,837,001 km

• M1: 108,758 km (0.054 R)
• M2: 390,600 km (0.104 R)
• M3: 859,290 km (0.084 R)
• M4: 1,367,474 km (0.095 R)
• M5: 1,662,930 km (0.098 R)
• M6: 2,385,637 km (0.096 R)
• M7: 3,022,775 km (0.042 R)
• M8: 3,818,037 km (0.078 R)
• M9: 4,774,566 km (0.069 R)
• M10: 5,591,071 km (0.092 R)
• M11: 6,049,588 km (0.085 R)
• M12: 6,930,570 km (0.075 R)
• M13: 7,306,061 km (0.063 R)
• M14: 7,774,452 km (0.118 R)
• M15: 8,901,821 km (0.114 R)
• M16: 9,436,484 km (0.07 R)
• M17: 11,477,597 km (0.07 R)
• M18: 13,104,624 km (0.093 R)
• M19: 16,877,033 km (0.09 R)
• M20: 22,598,554 km (0.107 R)
• M21: 24,703,096 km (0.1 R)
• M22: 27,583,304 km (0.101 R)
• M23: 28,910,985 km (0.095 R)
• M24: 30,181,520 km (0.096 R)
• M25: 31,898,604 km (0.114 R)
• M26: 34,867,225 km (0.107 R)
• M27: 37,210,974 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 12

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.48 AU - 9.98 AU

Year: 11256 Days

Day: 9.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,837,001 km

• M1: 201,508 km (0.092 R)
• M2: 653,743 km (0.079 R)
• M3: 1,045,839 km (0.099 R)
• M4: 1,704,518 km (0.055 R)
• M5: 4,044,678 km (0.086 R)
• M6: 4,657,131 km (0.084 R)
• M7: 5,673,649 km (0.103 R)
• M8: 6,558,071 km (0.048 R)
• M9: 7,965,339 km (0.119 R)
• M10: 17,002,247 km (0.058 R)
• M11: 19,151,370 km (0.092 R)
• M12: 23,704,680 km (0.073 R)
• M13: 25,790,374 km (0.104 R)
• M14: 26,478,973 km (0.104 R)
• M15: 30,650,958 km (0.068 R)
• M16: 37,325,118 km (0.057 R)
• M17: 43,786,698 km (0.072 R)
• M18: 44,625,793 km (0.114 R)
• M19: 50,956,625 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.3

Radius: 5.9

Gravity: 26.95 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 12.87 AU - 18.51 AU

Year: 23048 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,837,001 km

• M1: 74,799 km (0.109 R)
• M2: 263,442 km (0.101 R)
• M3: 614,698 km (0.118 R)
• M4: 849,716 km (0.089 R)
• M5: 1,232,387 km (0.026 R)
• M6: 1,781,112 km (0.111 R)
• M7: 2,132,667 km (0.069 R)
• M8: 2,480,333 km (0.077 R)
• M9: 3,171,924 km (0.116 R)
• M10: 3,984,838 km (0.097 R)
• M11: 4,698,720 km (0.11 R)
• M12: 5,369,816 km (0.091 R)
• M13: 6,949,569 km (0.089 R)
• M14: 7,979,401 km (0.088 R)
• M15: 9,285,091 km (0.113 R)
• M16: 9,647,866 km (0.089 R)
• M17: 13,426,858 km (0.053 R)
• M18: 13,735,029 km (0.043 R)
• M19: 14,126,826 km (0.074 R)
• M20: 16,547,768 km (0.086 R)
• M21: 21,873,303 km (0.069 R)
• M22: 22,192,844 km (0.095 R)
• M23: 22,407,667 km (0.112 R)
• M24: 24,862,269 km (0.031 R)
• M25: 27,614,271 km (0.119 R)
• M26: 37,227,131 km (0.061 R)
• M27: 47,950,007 km (0.114 R)
• M28: 50,131,294 km (0.118 R)
• M29: 53,526,118 km (0.11 R)
• M30: 53,719,099 km (0.108 R)
• M31: 54,690,887 km (0.089 R)
• M32: 56,870,079 km (0.091 R)
• M33: 61,612,182 km (0.111 R)
• M34: 64,624,036 km (0.116 R)
• M35: 79,145,801 km (0.049 R)
• M36: 79,898,876 km (0.092 R)
• M37: 85,567,888 km (0.078 R)
• M38: 89,583,244 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.3

Radius: 6.9

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 15.74 AU - 15.86 AU

Year: 23291 Days

Day: 18.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,837,001 km

• M1: 91,255 km (0.1 R)
• M2: 585,227 km (0.091 R)
• M3: 1,873,414 km (0.071 R)
• M4: 2,574,430 km (0.096 R)
• M5: 2,793,142 km (0.085 R)
• M6: 3,467,230 km (0.084 R)
• M7: 5,845,836 km (0.04 R)
• M8: 8,699,266 km (0.098 R)
• M9: 9,421,375 km (0.107 R)
• M10: 10,795,730 km (0.077 R)
• M11: 24,019,135 km (0.054 R)
• M12: 24,884,110 km (0.085 R)
• M13: 30,016,065 km (0.078 R)
• M14: 35,256,029 km (0.101 R)
• M15: 40,465,626 km (0.08 R)
• M16: 41,534,951 km (0.065 R)
• M17: 42,937,132 km (0.112 R)
• M18: 44,049,542 km (0.069 R)
• M19: 46,663,765 km (0.112 R)
• M20: 49,900,315 km (0.047 R)
• M21: 58,543,332 km (0.111 R)
• M22: 59,321,839 km (0.098 R)
• M23: 60,107,228 km (0.062 R)
• M24: 63,727,795 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.8

Radius: 7.8

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 15.67 AU - 21.21 AU

Year: 29366 Days

Day: 15 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,837,001 km

• M1: 97,837 km (0.12 R)
• M2: 353,500 km (0.102 R)
• M3: 634,744 km (0.116 R)
• M4: 4,798,352 km (0.118 R)
• M5: 8,039,090 km (0.039 R)
• M6: 10,868,285 km (0.103 R)
• M7: 12,505,185 km (0.068 R)
• M8: 20,705,841 km (0.059 R)
• M9: 25,093,248 km (0.043 R)
• M10: 29,806,478 km (0.032 R)
• M11: 30,972,294 km (0.111 R)
• M12: 34,229,339 km (0.038 R)
• M13: 39,224,113 km (0.116 R)
• M14: 53,790,308 km (0.038 R)
• M15: 55,710,097 km (0.12 R)
• M16: 58,674,678 km (0.078 R)
• M17: 66,433,572 km (0.086 R)
• M18: 69,314,079 km (0.09 R)
• M19: 72,508,293 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 18,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit