🌌 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: 62

Radius: 12.1

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.76 AU - 0.98 AU

Year: 541 Days

Day: 9.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,808,573 km

• M1: 150,495 km (0.068 R)
• M2: 730,786 km (0.092 R)
• M3: 1,133,653 km (0.116 R)
• M4: 1,831,078 km (0.058 R)
• M5: 2,292,438 km (0.067 R)
• M6: 2,709,217 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.6

Radius: 13.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.86 AU - 2.3 AU

Year: 2000 Days

Day: 12.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,808,573 km

• M1: 167,849 km (0.078 R)
• M2: 588,368 km (0.034 R)
• M3: 1,035,217 km (0.045 R)
• M4: 1,468,154 km (0.1 R)
• M5: 1,907,223 km (0.107 R)
• M6: 2,481,679 km (0.11 R)
• M7: 3,074,535 km (0.119 R)
• M8: 3,561,177 km (0.093 R)
• M9: 4,353,896 km (0.095 R)
• M10: 4,839,192 km (0.115 R)
• M11: 5,919,438 km (0.055 R)
• M12: 6,890,029 km (0.079 R)
• M13: 8,016,501 km (0.093 R)
• M14: 8,527,677 km (0.117 R)
• M15: 9,705,162 km (0.047 R)
• M16: 10,538,123 km (0.104 R)
• M17: 11,021,174 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 9.1

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.93 AU - 2.35 AU

Year: 2088 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,808,573 km

• M1: 113,395 km (0.091 R)
• M2: 464,651 km (0.075 R)
• M3: 814,560 km (0.082 R)
• M4: 1,098,497 km (0.08 R)
• M5: 1,525,599 km (0.1 R)
• M6: 1,877,304 km (0.105 R)
• M7: 2,283,013 km (0.051 R)
• M8: 2,864,500 km (0.085 R)
• M9: 4,482,102 km (0.042 R)
• M10: 4,794,462 km (0.054 R)
• M11: 5,211,242 km (0.102 R)
• M12: 5,918,391 km (0.104 R)
• M13: 7,639,215 km (0.109 R)
• M14: 8,394,236 km (0.06 R)
• M15: 10,194,197 km (0.102 R)
• M16: 11,879,417 km (0.112 R)
• M17: 12,439,661 km (0.063 R)
• M18: 13,612,808 km (0.084 R)
• M19: 14,405,078 km (0.066 R)
• M20: 15,274,242 km (0.064 R)
• M21: 15,888,790 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.5

Radius: 9.8

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.98 AU - 2.88 AU

Year: 2526 Days

Day: 5.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 73.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,808,573 km

• M1: 122,221 km (0.084 R)
• M2: 562,937 km (0.069 R)
• M3: 2,020,618 km (0.037 R)
• M4: 2,412,864 km (0.096 R)
• M5: 2,791,347 km (0.077 R)
• M6: 3,352,039 km (0.097 R)
• M7: 3,746,828 km (0.028 R)
• M8: 4,496,014 km (0.119 R)
• M9: 5,366,973 km (0.095 R)
• M10: 5,672,452 km (0.113 R)
• M11: 6,864,149 km (0.078 R)
• M12: 7,534,796 km (0.117 R)
• M13: 7,984,038 km (0.103 R)
• M14: 8,416,975 km (0.077 R)
• M15: 10,424,877 km (0.047 R)
• M16: 11,023,717 km (0.079 R)
• M17: 14,810,189 km (0.07 R)
• M18: 16,085,960 km (0.09 R)
• M19: 16,456,065 km (0.117 R)
• M20: 17,103,525 km (0.065 R)
• M21: 17,433,687 km (0.114 R)
• M22: 17,936,785 km (0.095 R)
• M23: 18,622,541 km (0.083 R)
• M24: 19,325,801 km (0.099 R)
• M25: 19,925,240 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463

Radius: 8.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.06 AU - 3.4 AU

Year: 3871 Days

Day: 10.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 125.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,808,573 km

• M1: 135,386 km (0.102 R)
• M2: 404,363 km (0.061 R)
• M3: 756,965 km (0.103 R)
• M4: 1,030,131 km (0.118 R)
• M5: 1,420,133 km (0.102 R)
• M6: 1,772,286 km (0.116 R)
• M7: 2,034,531 km (0.072 R)
• M8: 3,412,178 km (0.115 R)
• M9: 3,681,604 km (0.099 R)
• M10: 4,198,315 km (0.107 R)
• M11: 4,463,103 km (0.113 R)
• M12: 5,636,100 km (0.116 R)
• M13: 6,408,623 km (0.118 R)
• M14: 6,820,616 km (0.113 R)
• M15: 7,312,793 km (0.089 R)
• M16: 7,961,150 km (0.097 R)
• M17: 8,753,570 km (0.08 R)
• M18: 9,297,956 km (0.063 R)
• M19: 10,575,073 km (0.113 R)
• M20: 13,808,931 km (0.1 R)
• M21: 14,546,598 km (0.102 R)
• M22: 16,478,505 km (0.054 R)
• M23: 17,934,242 km (0.101 R)
• M24: 19,595,825 km (0.059 R)
• M25: 20,275,897 km (0.086 R)
• M26: 20,971,527 km (0.063 R)
• M27: 21,422,415 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.6

Radius: 8

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.77 AU - 3.85 AU

Year: 4959 Days

Day: 13.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,808,573 km

• M1: 99,483 km (0.09 R)
• M2: 385,963 km (0.09 R)
• M3: 835,654 km (0.104 R)
• M4: 1,826,440 km (0.117 R)
• M5: 2,715,351 km (0.115 R)
• M6: 3,146,342 km (0.108 R)
• M7: 5,837,459 km (0.052 R)
• M8: 6,143,237 km (0.078 R)
• M9: 6,654,562 km (0.082 R)
• M10: 7,474,508 km (0.119 R)
• M11: 7,908,940 km (0.083 R)
• M12: 9,817,211 km (0.092 R)
• M13: 10,206,464 km (0.102 R)
• M14: 10,969,713 km (0.106 R)
• M15: 11,818,830 km (0.094 R)
• M16: 12,309,062 km (0.07 R)
• M17: 13,225,798 km (0.096 R)
• M18: 14,909,971 km (0.09 R)
• M19: 18,830,333 km (0.118 R)
• M20: 21,169,146 km (0.058 R)
• M21: 23,617,913 km (0.113 R)
• M22: 26,084,633 km (0.11 R)
• M23: 29,425,452 km (0.054 R)
• M24: 30,508,092 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.1

Radius: 3

Gravity: 65.23 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.53 AU - 9.85 AU

Year: 18578 Days

Day: 19.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,808,573 km

• M1: 38,447 km (0.072 R)
• M2: 335,099 km (0.109 R)
• M3: 1,260,063 km (0.041 R)
• M4: 1,839,007 km (0.113 R)
• M5: 3,520,786 km (0.097 R)
• M6: 4,116,784 km (0.096 R)
• M7: 4,777,109 km (0.056 R)
• M8: 5,429,206 km (0.119 R)
• M9: 6,951,963 km (0.067 R)
• M10: 7,361,262 km (0.116 R)
• M11: 11,921,604 km (0.106 R)
• M12: 12,375,334 km (0.059 R)
• M13: 12,706,394 km (0.099 R)
• M14: 13,386,167 km (0.095 R)
• M15: 16,666,549 km (0.077 R)
• M16: 16,988,933 km (0.12 R)
• M17: 24,134,924 km (0.055 R)
• M18: 24,443,843 km (0.115 R)
• M19: 24,859,875 km (0.101 R)
• M20: 28,018,185 km (0.081 R)
• M21: 38,373,350 km (0.114 R)
• M22: 42,720,215 km (0.096 R)
• M23: 46,902,972 km (0.116 R)
• M24: 57,706,331 km (0.098 R)
• M25: 57,889,888 km (0.112 R)
• M26: 65,560,070 km (0.104 R)
• M27: 66,362,363 km (0.071 R)
• M28: 68,396,745 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 13,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit