🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.3

Radius: 9.8

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.77 AU - 0.97 AU

Year: 560 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,405,990 km

• M1: 122,221 km (0.087 R)
• M2: 454,179 km (0.104 R)
• M3: 788,231 km (0.069 R)
• M4: 1,117,346 km (0.118 R)
• M5: 1,489,845 km (0.057 R)
• M6: 1,894,059 km (0.099 R)
• M7: 3,078,275 km (0.088 R)
• M8: 3,423,846 km (0.068 R)
• M9: 3,809,061 km (0.08 R)
• M10: 5,210,045 km (0.072 R)
• M11: 5,612,912 km (0.102 R)
• M12: 6,188,864 km (0.034 R)
• M13: 6,521,121 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 12.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.09 AU - 1.31 AU

Year: 907 Days

Day: 5.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,405,990 km

• M1: 153,039 km (0.114 R)
• M2: 613,800 km (0.038 R)
• M3: 1,066,334 km (0.105 R)
• M4: 1,636,302 km (0.12 R)
• M5: 2,182,035 km (0.076 R)
• M6: 2,713,855 km (0.049 R)
• M7: 3,181,947 km (0.101 R)
• M8: 3,615,332 km (0.12 R)
• M9: 4,184,402 km (0.071 R)
• M10: 5,680,979 km (0.117 R)
• M11: 6,606,242 km (0.109 R)
• M12: 7,629,641 km (0.103 R)
• M13: 9,108,865 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 8.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.22 AU - 1.4 AU

Year: 1035 Days

Day: 7.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,405,990 km

• M1: 106,364 km (0.112 R)
• M2: 473,328 km (0.093 R)
• M3: 1,259,764 km (0.074 R)
• M4: 1,819,559 km (0.086 R)
• M5: 2,320,413 km (0.075 R)
• M6: 2,614,971 km (0.048 R)
• M7: 2,910,127 km (0.103 R)
• M8: 4,962,461 km (0.077 R)
• M9: 5,939,933 km (0.111 R)
• M10: 6,973,505 km (0.105 R)
• M11: 7,289,755 km (0.088 R)
• M12: 8,024,131 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.9

Radius: 13.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.71 AU - 2.39 AU

Year: 2026 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 169.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,405,990 km

• M1: 166,802 km (0.057 R)
• M2: 649,853 km (0.08 R)
• M3: 1,138,589 km (0.066 R)
• M4: 1,824,496 km (0.108 R)
• M5: 2,321,310 km (0.093 R)
• M6: 2,833,683 km (0.111 R)
• M7: 3,254,950 km (0.109 R)
• M8: 3,682,501 km (0.108 R)
• M9: 4,887,362 km (0.117 R)
• M10: 5,381,634 km (0.088 R)
• M11: 6,084,145 km (0.097 R)
• M12: 7,040,525 km (0.06 R)
• M13: 8,064,223 km (0.08 R)
• M14: 10,225,613 km (0.085 R)
• M15: 10,924,684 km (0.101 R)
• M16: 11,972,467 km (0.068 R)
• M17: 13,866,526 km (0.102 R)
• M18: 15,424,737 km (0.071 R)
• M19: 16,001,587 km (0.094 R)
• M20: 16,843,523 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.7

Radius: 5.2

Gravity: 22.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.14 AU - 9.96 AU

Year: 15765 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,405,990 km

• M1: 64,626 km (0.085 R)
• M2: 321,037 km (0.104 R)
• M3: 500,854 km (0.071 R)
• M4: 1,042,697 km (0.094 R)
• M5: 1,216,380 km (0.1 R)
• M6: 1,737,878 km (0.098 R)
• M7: 2,612,876 km (0.11 R)
• M8: 3,692,823 km (0.106 R)
• M9: 3,951,777 km (0.114 R)
• M10: 4,903,968 km (0.043 R)
• M11: 5,806,791 km (0.035 R)
• M12: 8,815,503 km (0.105 R)
• M13: 9,489,741 km (0.078 R)
• M14: 10,536,028 km (0.086 R)
• M15: 11,596,079 km (0.027 R)
• M16: 13,585,431 km (0.066 R)
• M17: 14,342,845 km (0.075 R)
• M18: 15,866,201 km (0.063 R)
• M19: 16,244,234 km (0.115 R)
• M20: 19,145,386 km (0.101 R)
• M21: 26,366,924 km (0.114 R)
• M22: 28,419,855 km (0.1 R)
• M23: 35,727,113 km (0.081 R)
• M24: 40,297,478 km (0.083 R)
• M25: 41,000,887 km (0.119 R)
• M26: 44,044,455 km (0.065 R)
• M27: 47,079,946 km (0.095 R)
• M28: 48,966,674 km (0.028 R)
• M29: 55,792,675 km (0.084 R)
• M30: 56,490,699 km (0.113 R)
• M31: 57,726,228 km (0.118 R)
• M32: 59,522,450 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241

Radius: 5.9

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.16 AU - 9.14 AU

Year: 16060 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,405,990 km

• M1: 73,303 km (0.108 R)
• M2: 339,138 km (0.109 R)
• M3: 527,482 km (0.102 R)
• M4: 823,686 km (0.031 R)
• M5: 1,215,184 km (0.09 R)
• M6: 1,605,933 km (0.105 R)
• M7: 2,363,646 km (0.095 R)
• M8: 2,928,827 km (0.056 R)
• M9: 4,295,404 km (0.069 R)
• M10: 5,761,313 km (0.084 R)
• M11: 6,255,734 km (0.12 R)
• M12: 7,208,224 km (0.066 R)
• M13: 7,614,980 km (0.119 R)
• M14: 8,744,444 km (0.096 R)
• M15: 9,066,678 km (0.107 R)
• M16: 10,798,274 km (0.091 R)
• M17: 12,276,151 km (0.08 R)
• M18: 13,515,270 km (0.047 R)
• M19: 21,391,000 km (0.106 R)
• M20: 24,971,026 km (0.032 R)
• M21: 27,929,025 km (0.1 R)
• M22: 37,221,297 km (0.076 R)
• M23: 38,067,273 km (0.113 R)
• M24: 38,433,787 km (0.1 R)
• M25: 45,714,417 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 17,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit