🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.54 AU - 0.84 AU

Year: 219 Days

Day: 20.4 Hours

Environment

Temp: 148 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.24 AU - 1.32 AU

Year: 554 Days

Day: 19.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.94 AU - 2.7 AU

Year: 1353 Days

Day: 35.4 Hours

Environment

Temp: -89 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.8

Radius: 8.9

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.08 AU - 6.92 AU

Year: 6345 Days

Day: 5.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,299,189 km

• M1: 110,702 km (0.112 R)
• M2: 533,167 km (0.086 R)
• M3: 840,890 km (0.067 R)
• M4: 1,122,283 km (0.078 R)
• M5: 2,005,060 km (0.105 R)
• M6: 2,362,450 km (0.068 R)
• M7: 2,667,480 km (0.09 R)
• M8: 3,651,385 km (0.027 R)
• M9: 4,187,693 km (0.098 R)
• M10: 4,501,849 km (0.034 R)
• M11: 5,236,973 km (0.077 R)
• M12: 6,282,662 km (0.056 R)
• M13: 7,461,643 km (0.094 R)
• M14: 9,386,668 km (0.048 R)
• M15: 10,392,714 km (0.092 R)
• M16: 14,306,044 km (0.101 R)
• M17: 16,395,328 km (0.088 R)
• M18: 23,297,176 km (0.093 R)
• M19: 23,706,326 km (0.074 R)
• M20: 24,877,528 km (0.072 R)
• M21: 31,716,095 km (0.07 R)
• M22: 32,421,449 km (0.066 R)
• M23: 35,671,163 km (0.101 R)
• M24: 36,985,381 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 11.3

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.21 AU - 10.43 AU

Year: 10029 Days

Day: 12.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,299,189 km

• M1: 141,669 km (0.111 R)
• M2: 503,846 km (0.097 R)
• M3: 863,030 km (0.039 R)
• M4: 1,674,150 km (0.062 R)
• M5: 2,079,261 km (0.064 R)
• M6: 2,668,377 km (0.05 R)
• M7: 3,558,784 km (0.086 R)
• M8: 4,019,695 km (0.073 R)
• M9: 4,520,249 km (0.093 R)
• M10: 6,608,187 km (0.069 R)
• M11: 7,227,372 km (0.116 R)
• M12: 7,633,830 km (0.074 R)
• M13: 8,012,612 km (0.11 R)
• M14: 8,717,218 km (0.111 R)
• M15: 11,677,161 km (0.084 R)
• M16: 16,540,438 km (0.101 R)
• M17: 17,902,527 km (0.048 R)
• M18: 19,183,234 km (0.107 R)
• M19: 24,193,716 km (0.118 R)
• M20: 26,901,886 km (0.119 R)
• M21: 29,702,807 km (0.109 R)
• M22: 31,818,570 km (0.063 R)
• M23: 32,472,462 km (0.089 R)
• M24: 38,397,435 km (0.11 R)
• M25: 41,419,611 km (0.114 R)
• M26: 43,787,895 km (0.082 R)
• M27: 45,416,118 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.1

Radius: 3.9

Gravity: 43.66 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 10.36 AU - 13.6 AU

Year: 15876 Days

Day: 16.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,299,189 km

• M1: 48,470 km (0.118 R)
• M2: 210,783 km (0.103 R)
• M3: 519,553 km (0.102 R)
• M4: 985,700 km (0.092 R)
• M5: 1,346,830 km (0.101 R)
• M6: 1,755,830 km (0.042 R)
• M7: 4,085,219 km (0.1 R)
• M8: 4,271,019 km (0.052 R)
• M9: 4,659,525 km (0.095 R)
• M10: 5,249,838 km (0.102 R)
• M11: 5,966,711 km (0.119 R)
• M12: 7,183,241 km (0.112 R)
• M13: 7,685,142 km (0.08 R)
• M14: 8,112,842 km (0.076 R)
• M15: 8,860,532 km (0.104 R)
• M16: 9,119,785 km (0.058 R)
• M17: 9,598,947 km (0.119 R)
• M18: 11,808,508 km (0.098 R)
• M19: 12,701,308 km (0.101 R)
• M20: 15,648,386 km (0.075 R)
• M21: 17,929,903 km (0.071 R)
• M22: 20,066,610 km (0.067 R)
• M23: 23,041,513 km (0.039 R)
• M24: 25,560,591 km (0.081 R)
• M25: 26,403,875 km (0.046 R)
• M26: 27,156,801 km (0.084 R)
• M27: 30,546,389 km (0.08 R)
• M28: 31,018,670 km (0.073 R)
• M29: 35,101,794 km (0.093 R)
• M30: 37,338,581 km (0.101 R)
• M31: 39,948,915 km (0.087 R)
• M32: 46,766,838 km (0.059 R)
• M33: 47,709,454 km (0.115 R)
• M34: 49,308,805 km (0.051 R)
• M35: 55,361,684 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.8

Radius: 3.5

Gravity: 56.64 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 11.67 AU - 15.65 AU

Year: 19331 Days

Day: 15.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,299,189 km

• M1: 43,683 km (0.112 R)
• M2: 166,203 km (0.111 R)
• M3: 378,931 km (0.119 R)
• M4: 531,671 km (0.095 R)
• M5: 640,728 km (0.072 R)
• M6: 893,847 km (0.066 R)
• M7: 1,101,639 km (0.057 R)
• M8: 1,545,795 km (0.114 R)
• M9: 1,960,031 km (0.073 R)
• M10: 2,310,838 km (0.105 R)
• M11: 2,800,173 km (0.03 R)
• M12: 3,825,068 km (0.085 R)
• M13: 4,857,293 km (0.085 R)
• M14: 5,340,943 km (0.042 R)
• M15: 7,943,797 km (0.108 R)
• M16: 8,145,903 km (0.084 R)
• M17: 9,601,191 km (0.076 R)
• M18: 10,970,311 km (0.061 R)
• M19: 13,724,109 km (0.119 R)
• M20: 15,298,327 km (0.104 R)
• M21: 16,988,783 km (0.065 R)
• M22: 17,408,854 km (0.115 R)
• M23: 20,735,462 km (0.071 R)
• M24: 21,215,222 km (0.03 R)
• M25: 21,899,183 km (0.051 R)
• M26: 22,097,251 km (0.1 R)
• M27: 23,105,690 km (0.108 R)
• M28: 23,414,012 km (0.1 R)
• M29: 26,426,015 km (0.072 R)
• M30: 26,989,849 km (0.108 R)
• M31: 31,037,369 km (0.086 R)
• M32: 31,538,522 km (0.119 R)
• M33: 32,045,210 km (0.052 R)
• M34: 38,698,426 km (0.085 R)
• M35: 39,865,289 km (0.062 R)
• M36: 44,291,890 km (0.113 R)
• M37: 45,890,942 km (0.118 R)
• M38: 48,361,252 km (0.102 R)
• M39: 55,379,037 km (0.077 R)
• M40: 69,664,886 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.2

Radius: 6.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 14.15 AU - 22.95 AU

Year: 30590 Days

Day: 17.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,299,189 km

• M1: 118,781 km (0.115 R)
• M2: 387,159 km (0.092 R)
• M3: 875,896 km (0.084 R)
• M4: 1,414,448 km (0.11 R)
• M5: 2,195,798 km (0.078 R)
• M6: 4,638,432 km (0.092 R)
• M7: 6,406,529 km (0.095 R)
• M8: 8,426,549 km (0.055 R)
• M9: 9,949,455 km (0.116 R)
• M10: 11,775,596 km (0.088 R)
• M11: 16,965,296 km (0.1 R)
• M12: 31,040,810 km (0.083 R)
• M13: 33,830,362 km (0.037 R)
• M14: 34,091,859 km (0.071 R)
• M15: 39,901,941 km (0.117 R)
• M16: 49,465,134 km (0.069 R)
• M17: 67,844,579 km (0.113 R)
• M18: 70,154,370 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 17,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit