🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.59 AU - 0.65 AU

Year: 315 Days

Day: 12.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.4

Radius: 13.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.87 AU - 1.27 AU

Year: 715 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,775,429 km

• M1: 171,589 km (0.107 R)
• M2: 609,911 km (0.086 R)
• M3: 1,040,752 km (0.05 R)
• M4: 1,521,111 km (0.094 R)
• M5: 2,046,050 km (0.082 R)
• M6: 2,755,892 km (0.113 R)
• M7: 3,235,802 km (0.059 R)
• M8: 3,935,471 km (0.088 R)
• M9: 4,381,422 km (0.116 R)
• M10: 4,845,475 km (0.081 R)
• M11: 5,359,344 km (0.117 R)
• M12: 6,322,904 km (0.074 R)
• M13: 6,917,854 km (0.106 R)

Asteroid Belt

Center: 1.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.3

Radius: 9.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.43 AU - 1.85 AU

Year: 1356 Days

Day: 8.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 176 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,775,429 km

• M1: 121,025 km (0.047 R)
• M2: 495,019 km (0.069 R)
• M3: 802,293 km (0.097 R)
• M4: 1,177,335 km (0.107 R)
• M5: 1,951,803 km (0.054 R)
• M6: 2,461,334 km (0.115 R)
• M7: 3,297,287 km (0.097 R)
• M8: 4,022,687 km (0.117 R)
• M9: 4,614,496 km (0.089 R)
• M10: 6,702,134 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.2

Radius: 11.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.44 AU - 2.28 AU

Year: 1638 Days

Day: 13.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,775,429 km

• M1: 148,102 km (0.063 R)
• M2: 663,317 km (0.089 R)
• M3: 1,366,726 km (0.12 R)
• M4: 1,755,232 km (0.078 R)
• M5: 2,137,754 km (0.118 R)
• M6: 3,090,692 km (0.101 R)
• M7: 4,087,911 km (0.101 R)
• M8: 4,515,761 km (0.097 R)
• M9: 4,952,886 km (0.101 R)
• M10: 5,959,082 km (0.052 R)
• M11: 7,018,534 km (0.088 R)
• M12: 7,634,727 km (0.092 R)
• M13: 9,799,409 km (0.111 R)
• M14: 11,488,817 km (0.108 R)
• M15: 13,364,775 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.1

Radius: 9.7

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.79 AU - 2.15 AU

Year: 1785 Days

Day: 11.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,775,429 km

• M1: 120,576 km (0.063 R)
• M2: 454,329 km (0.108 R)
• M3: 776,413 km (0.104 R)
• M4: 1,250,638 km (0.046 R)
• M5: 2,206,269 km (0.116 R)
• M6: 3,111,037 km (0.117 R)
• M7: 3,605,757 km (0.079 R)
• M8: 5,411,105 km (0.075 R)
• M9: 6,008,748 km (0.09 R)
• M10: 6,548,048 km (0.089 R)
• M11: 7,780,436 km (0.105 R)
• M12: 11,639,313 km (0.104 R)
• M13: 12,753,368 km (0.1 R)
• M14: 13,979,023 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.8

Radius: 9.6

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.99 AU - 4.43 AU

Year: 4614 Days

Day: 14.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,775,429 km

• M1: 119,379 km (0.113 R)
• M2: 496,964 km (0.111 R)
• M3: 800,797 km (0.069 R)
• M4: 2,881,704 km (0.116 R)
• M5: 4,497,810 km (0.111 R)
• M6: 6,426,874 km (0.081 R)
• M7: 7,000,881 km (0.1 R)
• M8: 8,178,216 km (0.08 R)
• M9: 8,929,646 km (0.083 R)
• M10: 11,831,845 km (0.091 R)
• M11: 13,393,797 km (0.073 R)
• M12: 14,224,214 km (0.027 R)
• M13: 15,033,688 km (0.086 R)
• M14: 15,987,674 km (0.116 R)
• M15: 16,685,099 km (0.104 R)
• M16: 17,524,194 km (0.108 R)
• M17: 21,094,945 km (0.079 R)
• M18: 24,584,166 km (0.108 R)
• M19: 27,031,587 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.5

Radius: 10.8

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.88 AU - 6.82 AU

Year: 9136 Days

Day: 12.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,775,429 km

• M1: 134,339 km (0.075 R)
• M2: 566,527 km (0.12 R)
• M3: 1,000,660 km (0.119 R)
• M4: 1,359,994 km (0.085 R)
• M5: 1,807,142 km (0.106 R)
• M6: 3,667,841 km (0.103 R)
• M7: 5,065,533 km (0.08 R)
• M8: 7,722,541 km (0.066 R)
• M9: 8,784,088 km (0.033 R)
• M10: 13,210,390 km (0.079 R)
• M11: 14,400,291 km (0.11 R)
• M12: 16,848,759 km (0.096 R)
• M13: 19,880,959 km (0.067 R)
• M14: 23,887,489 km (0.115 R)
• M15: 33,116,630 km (0.11 R)
• M16: 34,026,335 km (0.112 R)
• M17: 42,178,671 km (0.037 R)
• M18: 43,652,958 km (0.101 R)
• M19: 47,273,974 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.9

Radius: 7.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.96 AU - 6.98 AU

Year: 10626 Days

Day: 20.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,775,429 km

• M1: 129,103 km (0.086 R)
• M2: 438,172 km (0.114 R)
• M3: 1,034,320 km (0.113 R)
• M4: 2,116,959 km (0.048 R)
• M5: 3,676,966 km (0.07 R)
• M6: 5,636,399 km (0.11 R)
• M7: 7,630,987 km (0.105 R)
• M8: 13,216,224 km (0.041 R)
• M9: 16,044,521 km (0.118 R)
• M10: 17,113,248 km (0.101 R)
• M11: 18,095,059 km (0.083 R)
• M12: 19,391,923 km (0.109 R)
• M13: 21,265,337 km (0.119 R)
• M14: 29,690,091 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.5

Radius: 3.1

Gravity: 39.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.52 AU - 12.86 AU

Year: 24169 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,775,429 km

• M1: 38,596 km (0.049 R)
• M2: 563,086 km (0.099 R)
• M3: 791,822 km (0.094 R)
• M4: 1,104,481 km (0.106 R)
• M5: 3,798,739 km (0.054 R)
• M6: 4,702,908 km (0.081 R)
• M7: 5,204,809 km (0.047 R)
• M8: 6,314,077 km (0.094 R)
• M9: 8,108,504 km (0.086 R)
• M10: 8,514,512 km (0.08 R)
• M11: 8,987,242 km (0.116 R)
• M12: 9,756,923 km (0.109 R)
• M13: 13,486,248 km (0.037 R)
• M14: 14,492,743 km (0.102 R)
• M15: 20,375,080 km (0.098 R)
• M16: 22,874,412 km (0.099 R)
• M17: 32,332,289 km (0.06 R)
• M18: 36,120,256 km (0.087 R)
• M19: 40,484,924 km (0.116 R)
• M20: 59,544,740 km (0.118 R)
• M21: 65,199,090 km (0.051 R)
• M22: 67,434,083 km (0.074 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 12,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit