🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.47 AU - 0.77 AU

Year: 310 Days

Day: 42.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.7

Radius: 8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.61 AU - 0.77 AU

Year: 364 Days

Day: 5.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,235,936 km

• M1: 106,214 km (0.054 R)
• M2: 371,452 km (0.108 R)
• M3: 637,287 km (0.067 R)
• M4: 1,147,715 km (0.046 R)
• M5: 1,438,533 km (0.069 R)
• M6: 1,881,642 km (0.119 R)
• M7: 2,208,513 km (0.116 R)
• M8: 2,476,294 km (0.073 R)
• M9: 3,209,473 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 14.8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.11 AU - 2.17 AU

Year: 1990 Days

Day: 10.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,235,936 km

• M1: 184,155 km (0.092 R)
• M2: 805,884 km (0.116 R)
• M3: 1,425,069 km (0.103 R)
• M4: 2,638,009 km (0.098 R)
• M5: 4,169,143 km (0.097 R)
• M6: 4,672,540 km (0.027 R)
• M7: 5,616,353 km (0.104 R)
• M8: 7,327,902 km (0.084 R)
• M9: 8,224,293 km (0.103 R)
• M10: 10,173,852 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.8

Radius: 13

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.95 AU - 7.15 AU

Year: 9462 Days

Day: 13.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,235,936 km

• M1: 162,463 km (0.119 R)
• M2: 709,692 km (0.055 R)
• M3: 1,526,945 km (0.094 R)
• M4: 2,381,598 km (0.112 R)
• M5: 2,808,401 km (0.106 R)
• M6: 3,308,806 km (0.101 R)
• M7: 5,936,941 km (0.07 R)
• M8: 6,482,225 km (0.11 R)
• M9: 7,210,917 km (0.083 R)
• M10: 7,872,588 km (0.07 R)
• M11: 8,489,679 km (0.112 R)
• M12: 9,317,554 km (0.096 R)
• M13: 10,055,819 km (0.049 R)
• M14: 14,528,197 km (0.094 R)
• M15: 15,331,837 km (0.041 R)
• M16: 18,701,828 km (0.068 R)
• M17: 21,335,948 km (0.11 R)
• M18: 22,537,218 km (0.054 R)
• M19: 27,144,534 km (0.116 R)
• M20: 28,459,050 km (0.098 R)
• M21: 28,938,661 km (0.05 R)
• M22: 31,930,469 km (0.092 R)
• M23: 33,182,902 km (0.103 R)
• M24: 35,674,754 km (0.067 R)
• M25: 36,570,097 km (0.028 R)
• M26: 39,941,285 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926

Radius: 4

Gravity: 57.88 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.66 AU - 10.18 AU

Year: 19866 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 61,235,936 km

• M1: 49,816 km (0.114 R)
• M2: 284,386 km (0.091 R)
• M3: 513,869 km (0.098 R)
• M4: 739,612 km (0.105 R)
• M5: 1,149,959 km (0.083 R)
• M6: 1,555,219 km (0.088 R)
• M7: 2,112,472 km (0.11 R)
• M8: 2,471,656 km (0.096 R)
• M9: 2,665,984 km (0.064 R)
• M10: 3,085,306 km (0.031 R)
• M11: 3,731,719 km (0.107 R)
• M12: 3,858,279 km (0.056 R)
• M13: 4,463,851 km (0.055 R)
• M14: 4,863,876 km (0.097 R)
• M15: 5,776,572 km (0.071 R)
• M16: 11,819,279 km (0.075 R)
• M17: 12,511,468 km (0.088 R)
• M18: 16,381,565 km (0.084 R)
• M19: 18,220,422 km (0.036 R)
• M20: 18,402,483 km (0.05 R)
• M21: 19,710,716 km (0.061 R)
• M22: 22,720,326 km (0.079 R)
• M23: 23,787,857 km (0.107 R)
• M24: 24,005,222 km (0.09 R)
• M25: 26,719,077 km (0.109 R)
• M26: 29,255,360 km (0.078 R)
• M27: 30,517,816 km (0.094 R)
• M28: 31,422,734 km (0.105 R)
• M29: 31,553,332 km (0.075 R)
• M30: 33,694,527 km (0.033 R)
• M31: 38,114,994 km (0.079 R)
• M32: 42,266,934 km (0.049 R)
• M33: 42,906,464 km (0.1 R)
• M34: 49,308,206 km (0.091 R)
• M35: 52,001,117 km (0.065 R)
• M36: 54,036,995 km (0.085 R)
• M37: 56,510,745 km (0.108 R)
• M38: 60,260,416 km (0.105 R)
• M39: 64,805,349 km (0.097 R)
• M40: 68,031,876 km (0.111 R)
• M41: 70,913,280 km (0.119 R)
• M42: 75,269,421 km (0.117 R)
• M43: 80,777,016 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.3

Radius: 8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 11.11 AU - 11.89 AU

Year: 24796 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,235,936 km

• M1: 113,395 km (0.115 R)
• M2: 1,237,174 km (0.117 R)
• M3: 1,783,356 km (0.089 R)
• M4: 3,171,176 km (0.085 R)
• M5: 4,100,926 km (0.092 R)
• M6: 4,437,671 km (0.088 R)
• M7: 5,271,979 km (0.1 R)
• M8: 7,514,600 km (0.096 R)
• M9: 10,607,536 km (0.073 R)
• M10: 11,481,188 km (0.064 R)
• M11: 17,836,255 km (0.088 R)
• M12: 19,749,911 km (0.114 R)
• M13: 21,430,793 km (0.101 R)
• M14: 25,074,847 km (0.104 R)
• M15: 26,620,343 km (0.095 R)
• M16: 35,692,107 km (0.11 R)
• M17: 35,948,518 km (0.06 R)
• M18: 37,117,326 km (0.073 R)
• M19: 37,380,469 km (0.095 R)
• M20: 38,177,526 km (0.103 R)
• M21: 45,867,006 km (0.074 R)
• M22: 49,433,868 km (0.099 R)
• M23: 54,020,240 km (0.084 R)
• M24: 56,938,894 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 12,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit