🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.48 AU - 0.72 AU

Year: 296 Days

Day: 37.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.3

Radius: 8.7

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.73 AU - 1.11 AU

Year: 561 Days

Day: 11.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,015,750 km

• M1: 108,159 km (0.115 R)
• M2: 421,866 km (0.113 R)
• M3: 765,941 km (0.047 R)
• M4: 1,039,107 km (0.117 R)
• M5: 1,595,312 km (0.094 R)
• M6: 1,937,292 km (0.085 R)
• M7: 2,827,250 km (0.073 R)
• M8: 3,383,156 km (0.038 R)
• M9: 3,910,040 km (0.091 R)
• M10: 4,490,629 km (0.089 R)
• M11: 4,859,088 km (0.05 R)
• M12: 5,213,187 km (0.097 R)
• M13: 5,584,489 km (0.104 R)
• M14: 6,439,740 km (0.074 R)
• M15: 7,314,289 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 12.3

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.09 AU - 1.15 AU

Year: 754 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,015,750 km

• M1: 153,039 km (0.074 R)
• M2: 594,502 km (0.056 R)
• M3: 1,048,382 km (0.106 R)
• M4: 1,527,993 km (0.06 R)
• M5: 1,952,252 km (0.051 R)
• M6: 2,799,275 km (0.059 R)
• M7: 3,773,307 km (0.038 R)
• M8: 5,344,982 km (0.031 R)
• M9: 6,029,991 km (0.079 R)
• M10: 6,794,735 km (0.106 R)
• M11: 7,433,369 km (0.069 R)
• M12: 7,840,424 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.7

Radius: 12.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.2 AU - 1.4 AU

Year: 942 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,015,750 km

• M1: 153,188 km (0.1 R)
• M2: 568,023 km (0.097 R)
• M3: 1,110,615 km (0.111 R)
• M4: 1,504,356 km (0.037 R)
• M5: 2,348,387 km (0.085 R)
• M6: 2,844,454 km (0.101 R)
• M7: 3,385,250 km (0.064 R)
• M8: 3,965,989 km (0.036 R)
• M9: 4,369,604 km (0.084 R)
• M10: 5,606,330 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.4

Radius: 14.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.73 AU - 1.75 AU

Year: 1459 Days

Day: 14.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,015,750 km

• M1: 182,809 km (0.112 R)
• M2: 727,345 km (0.044 R)
• M3: 1,232,836 km (0.112 R)
• M4: 1,963,023 km (0.065 R)
• M5: 3,234,456 km (0.1 R)
• M6: 4,730,434 km (0.099 R)
• M7: 6,190,958 km (0.093 R)

Asteroid Belt

Center: 2.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 8.3

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.97 AU - 2.67 AU

Year: 2247 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,015,750 km

• M1: 132,095 km (0.104 R)
• M2: 582,983 km (0.101 R)
• M3: 907,909 km (0.106 R)
• M4: 1,353,711 km (0.097 R)
• M5: 2,018,225 km (0.119 R)
• M6: 2,291,391 km (0.067 R)
• M7: 2,616,467 km (0.073 R)
• M8: 2,942,740 km (0.086 R)
• M9: 3,295,940 km (0.114 R)
• M10: 4,509,179 km (0.095 R)
• M11: 4,854,152 km (0.101 R)
• M12: 5,129,861 km (0.104 R)
• M13: 6,389,026 km (0.103 R)
• M14: 7,036,934 km (0.111 R)
• M15: 7,642,806 km (0.047 R)
• M16: 9,148,658 km (0.091 R)
• M17: 10,488,307 km (0.097 R)
• M18: 10,771,196 km (0.054 R)
• M19: 11,877,772 km (0.103 R)
• M20: 12,856,441 km (0.113 R)
• M21: 14,358,553 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.7

Radius: 7.3

Gravity: 17.28 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.93 AU - 7.49 AU

Year: 12309 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,015,750 km

• M1: 90,806 km (0.095 R)
• M2: 444,605 km (0.086 R)
• M3: 898,335 km (0.054 R)
• M4: 1,144,873 km (0.109 R)
• M5: 1,422,526 km (0.068 R)
• M6: 2,078,662 km (0.12 R)
• M7: 2,759,333 km (0.119 R)
• M8: 3,393,478 km (0.077 R)
• M9: 3,801,282 km (0.075 R)
• M10: 5,258,664 km (0.112 R)
• M11: 5,509,241 km (0.091 R)
• M12: 6,470,108 km (0.104 R)
• M13: 7,674,072 km (0.104 R)
• M14: 7,903,854 km (0.117 R)
• M15: 11,684,342 km (0.098 R)
• M16: 12,613,943 km (0.117 R)
• M17: 13,591,864 km (0.11 R)
• M18: 15,551,147 km (0.097 R)
• M19: 15,994,256 km (0.076 R)
• M20: 16,445,743 km (0.084 R)
• M21: 16,905,607 km (0.083 R)
• M22: 18,012,182 km (0.107 R)
• M23: 19,250,703 km (0.101 R)
• M24: 20,107,151 km (0.078 R)
• M25: 20,721,699 km (0.042 R)
• M26: 26,303,794 km (0.082 R)
• M27: 30,573,317 km (0.114 R)
• M28: 31,268,797 km (0.052 R)
• M29: 32,811,600 km (0.075 R)
• M30: 33,908,901 km (0.091 R)
• M31: 36,824,264 km (0.11 R)
• M32: 37,085,312 km (0.089 R)
• M33: 42,714,979 km (0.117 R)
• M34: 43,583,844 km (0.085 R)
• M35: 54,607,860 km (0.117 R)
• M36: 57,540,128 km (0.086 R)
• M37: 58,245,033 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.5

Radius: 7.9

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.47 AU - 10.45 AU

Year: 19986 Days

Day: 21.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,015,750 km

• M1: 99,333 km (0.093 R)
• M2: 960,568 km (0.073 R)
• M3: 1,408,464 km (0.082 R)
• M4: 1,774,979 km (0.062 R)
• M5: 3,293,397 km (0.12 R)
• M6: 4,394,886 km (0.116 R)
• M7: 4,880,331 km (0.114 R)
• M8: 8,619,979 km (0.07 R)
• M9: 9,991,941 km (0.087 R)
• M10: 12,932,586 km (0.079 R)
• M11: 13,336,650 km (0.084 R)
• M12: 13,988,598 km (0.09 R)
• M13: 20,530,662 km (0.12 R)
• M14: 26,022,998 km (0.082 R)
• M15: 28,957,061 km (0.104 R)
• M16: 34,581,941 km (0.118 R)
• M17: 38,592,361 km (0.108 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 11,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit