🌌 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 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.9

Radius: 12.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.55 AU - 0.69 AU

Year: 326 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,546,907 km

• M1: 156,629 km (0.09 R)
• M2: 612,005 km (0.115 R)
• M3: 1,027,737 km (0.091 R)
• M4: 1,830,031 km (0.049 R)
• M5: 2,284,808 km (0.12 R)
• M6: 2,683,935 km (0.111 R)
• M7: 3,246,723 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 10.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.26 AU - 1.42 AU

Year: 1034 Days

Day: 11 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,546,907 km

• M1: 136,134 km (0.074 R)
• M2: 519,105 km (0.091 R)
• M3: 923,318 km (0.071 R)
• M4: 3,006,169 km (0.108 R)
• M5: 3,749,970 km (0.045 R)
• M6: 4,143,263 km (0.075 R)
• M7: 5,030,228 km (0.113 R)
• M8: 5,904,030 km (0.103 R)
• M9: 6,897,210 km (0.05 R)
• M10: 7,400,307 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 14.2

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.05 AU - 2.31 AU

Year: 2146 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,546,907 km

• M1: 176,675 km (0.058 R)
• M2: 688,599 km (0.115 R)
• M3: 1,215,034 km (0.075 R)
• M4: 1,786,947 km (0.057 R)
• M5: 2,266,109 km (0.103 R)
• M6: 2,940,496 km (0.115 R)
• M7: 4,052,606 km (0.092 R)
• M8: 4,544,185 km (0.098 R)
• M9: 5,773,431 km (0.093 R)
• M10: 6,425,677 km (0.08 R)
• M11: 7,068,799 km (0.09 R)
• M12: 7,662,553 km (0.085 R)
• M13: 8,193,475 km (0.073 R)
• M14: 9,364,079 km (0.098 R)
• M15: 10,266,603 km (0.084 R)
• M16: 13,413,543 km (0.099 R)
• M17: 16,737,159 km (0.081 R)
• M18: 17,848,971 km (0.028 R)
• M19: 18,953,153 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.5

Radius: 10.7

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.52 AU - 4.42 AU

Year: 5275 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,546,907 km

• M1: 134,488 km (0.086 R)
• M2: 490,531 km (0.102 R)
• M3: 1,376,749 km (0.088 R)
• M4: 1,939,836 km (0.058 R)
• M5: 3,203,788 km (0.032 R)
• M6: 3,549,957 km (0.076 R)
• M7: 4,366,911 km (0.109 R)
• M8: 5,940,831 km (0.045 R)
• M9: 7,435,164 km (0.115 R)
• M10: 9,125,769 km (0.103 R)
• M11: 17,712,687 km (0.064 R)
• M12: 18,868,480 km (0.057 R)
• M13: 21,977,573 km (0.028 R)
• M14: 23,691,516 km (0.116 R)
• M15: 27,215,892 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228

Radius: 12.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.15 AU - 6.85 AU

Year: 8601 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,546,907 km

• M1: 150,495 km (0.111 R)
• M2: 533,466 km (0.086 R)
• M3: 1,139,188 km (0.079 R)
• M4: 1,545,196 km (0.082 R)
• M5: 2,107,086 km (0.069 R)
• M6: 2,645,190 km (0.045 R)
• M7: 3,435,964 km (0.104 R)
• M8: 3,864,861 km (0.049 R)
• M9: 4,353,747 km (0.103 R)
• M10: 7,240,687 km (0.098 R)
• M11: 7,625,303 km (0.112 R)
• M12: 8,023,831 km (0.101 R)
• M13: 9,181,719 km (0.097 R)
• M14: 9,928,212 km (0.093 R)
• M15: 11,448,426 km (0.066 R)
• M16: 11,827,656 km (0.034 R)
• M17: 12,611,250 km (0.07 R)
• M18: 15,745,026 km (0.062 R)
• M19: 16,693,477 km (0.102 R)
• M20: 17,679,626 km (0.11 R)
• M21: 20,040,131 km (0.09 R)
• M22: 20,522,434 km (0.115 R)
• M23: 21,725,949 km (0.051 R)
• M24: 22,455,688 km (0.059 R)
• M25: 24,195,960 km (0.112 R)
• M26: 26,598,801 km (0.095 R)
• M27: 28,372,583 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.9

Radius: 6.1

Gravity: 19.59 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.99 AU - 7.13 AU

Year: 11204 Days

Day: 21.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,546,907 km

• M1: 78,389 km (0.074 R)
• M2: 283,787 km (0.068 R)
• M3: 759,957 km (0.101 R)
• M4: 1,646,325 km (0.095 R)
• M5: 3,349,347 km (0.107 R)
• M6: 4,976,074 km (0.09 R)
• M7: 6,052,580 km (0.092 R)
• M8: 8,330,357 km (0.091 R)
• M9: 10,414,256 km (0.109 R)
• M10: 11,691,373 km (0.101 R)
• M11: 15,025,161 km (0.096 R)
• M12: 19,102,601 km (0.095 R)
• M13: 20,163,998 km (0.066 R)
• M14: 20,414,425 km (0.106 R)
• M15: 22,314,467 km (0.096 R)
• M16: 26,462,667 km (0.097 R)
• M17: 30,108,217 km (0.08 R)
• M18: 31,208,061 km (0.108 R)
• M19: 35,269,044 km (0.054 R)
• M20: 37,112,389 km (0.107 R)
• M21: 38,376,342 km (0.065 R)
• M22: 43,580,253 km (0.082 R)
• M23: 48,784,015 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.2

Radius: 6.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.84 AU - 8.02 AU

Year: 13506 Days

Day: 24.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,546,907 km

• M1: 85,869 km (0.076 R)
• M2: 301,440 km (0.085 R)
• M3: 573,259 km (0.12 R)
• M4: 805,884 km (0.089 R)
• M5: 2,006,257 km (0.084 R)
• M6: 2,474,050 km (0.11 R)
• M7: 2,806,456 km (0.059 R)
• M8: 3,148,437 km (0.093 R)
• M9: 3,433,570 km (0.076 R)
• M10: 3,735,758 km (0.102 R)
• M11: 4,544,185 km (0.092 R)
• M12: 5,293,221 km (0.063 R)
• M13: 6,059,911 km (0.036 R)
• M14: 6,599,809 km (0.063 R)
• M15: 7,558,283 km (0.098 R)
• M16: 9,962,620 km (0.115 R)
• M17: 10,267,650 km (0.112 R)
• M18: 11,360,911 km (0.08 R)
• M19: 13,039,698 km (0.034 R)
• M20: 15,218,741 km (0.074 R)
• M21: 17,692,641 km (0.12 R)
• M22: 19,393,270 km (0.119 R)
• M23: 20,352,790 km (0.087 R)
• M24: 22,664,077 km (0.036 R)
• M25: 27,544,259 km (0.065 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 15,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit