🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.6

Radius: 11.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.65 AU - 0.79 AU

Year: 394 Days

Day: 5.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,403,100 km

• M1: 144,362 km (0.052 R)
• M2: 561,142 km (0.118 R)
• M3: 1,048,681 km (0.029 R)
• M4: 1,442,123 km (0.098 R)
• M5: 2,331,184 km (0.091 R)
• M6: 2,864,799 km (0.058 R)
• M7: 3,278,737 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 13

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.21 AU - 1.43 AU

Year: 979 Days

Day: 10.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,403,100 km

• M1: 164,109 km (0.05 R)
• M2: 578,794 km (0.091 R)
• M3: 1,049,728 km (0.086 R)
• M4: 1,509,592 km (0.107 R)
• M5: 2,454,901 km (0.087 R)
• M6: 3,673,226 km (0.07 R)
• M7: 4,300,640 km (0.075 R)
• M8: 4,763,944 km (0.119 R)
• M9: 5,184,913 km (0.114 R)
• M10: 5,791,831 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.5

Radius: 13

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.59 AU - 1.61 AU

Year: 1307 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,403,100 km

• M1: 219,460 km (0.115 R)
• M2: 633,697 km (0.115 R)
• M3: 1,051,224 km (0.079 R)
• M4: 1,713,793 km (0.081 R)
• M5: 2,341,057 km (0.102 R)
• M6: 3,061,371 km (0.081 R)
• M7: 3,499,094 km (0.101 R)
• M8: 4,882,426 km (0.05 R)
• M9: 5,534,822 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 9.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.73 AU - 2.87 AU

Year: 3025 Days

Day: 12.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 113 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,403,100 km

• M1: 121,922 km (0.058 R)
• M2: 468,690 km (0.062 R)
• M3: 975,079 km (0.072 R)
• M4: 1,362,837 km (0.097 R)
• M5: 2,504,717 km (0.057 R)
• M6: 3,652,731 km (0.083 R)
• M7: 4,012,215 km (0.065 R)
• M8: 5,313,716 km (0.113 R)
• M9: 5,881,141 km (0.09 R)
• M10: 9,343,584 km (0.042 R)
• M11: 10,292,782 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.5

Radius: 6.9

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.43 AU - 9.65 AU

Year: 16114 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,403,100 km

• M1: 87,814 km (0.046 R)
• M2: 380,577 km (0.084 R)
• M3: 915,240 km (0.082 R)
• M4: 1,333,515 km (0.062 R)
• M5: 3,644,653 km (0.089 R)
• M6: 4,756,614 km (0.072 R)
• M7: 5,092,611 km (0.102 R)
• M8: 5,444,166 km (0.116 R)
• M9: 6,079,059 km (0.091 R)
• M10: 8,424,604 km (0.072 R)
• M11: 8,916,931 km (0.104 R)
• M12: 10,735,143 km (0.103 R)
• M13: 10,964,178 km (0.099 R)
• M14: 11,431,970 km (0.119 R)
• M15: 12,915,532 km (0.099 R)
• M16: 13,569,873 km (0.097 R)
• M17: 14,315,170 km (0.101 R)
• M18: 16,334,741 km (0.097 R)
• M19: 19,538,679 km (0.107 R)
• M20: 19,966,529 km (0.108 R)
• M21: 20,752,217 km (0.038 R)
• M22: 24,200,448 km (0.099 R)
• M23: 24,993,167 km (0.092 R)
• M24: 32,324,958 km (0.047 R)
• M25: 32,803,223 km (0.096 R)
• M26: 33,044,075 km (0.082 R)
• M27: 34,514,174 km (0.104 R)
• M28: 35,391,415 km (0.113 R)
• M29: 36,283,617 km (0.088 R)
• M30: 37,321,527 km (0.09 R)
• M31: 39,320,604 km (0.064 R)
• M32: 41,530,463 km (0.091 R)
• M33: 42,809,375 km (0.054 R)
• M34: 44,114,168 km (0.079 R)
• M35: 44,850,339 km (0.104 R)
• M36: 45,147,141 km (0.088 R)
• M37: 48,187,419 km (0.102 R)
• M38: 56,898,653 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.5

Radius: 4.7

Gravity: 43.57 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.68 AU - 10.54 AU

Year: 19235 Days

Day: 17.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 91,403,100 km

• M1: 58,493 km (0.075 R)
• M2: 296,054 km (0.095 R)
• M3: 575,353 km (0.076 R)
• M4: 1,003,652 km (0.077 R)
• M5: 1,249,142 km (0.059 R)
• M6: 1,466,957 km (0.097 R)
• M7: 3,013,350 km (0.104 R)
• M8: 3,897,773 km (0.118 R)
• M9: 5,861,544 km (0.087 R)
• M10: 6,748,360 km (0.095 R)
• M11: 7,272,401 km (0.034 R)
• M12: 8,839,589 km (0.066 R)
• M13: 10,061,803 km (0.061 R)
• M14: 10,618,606 km (0.08 R)
• M15: 12,134,482 km (0.083 R)
• M16: 17,361,730 km (0.103 R)
• M17: 24,023,024 km (0.115 R)
• M18: 25,578,244 km (0.056 R)
• M19: 26,496,326 km (0.09 R)
• M20: 26,729,250 km (0.119 R)
• M21: 27,081,254 km (0.096 R)
• M22: 28,764,679 km (0.114 R)
• M23: 29,882,923 km (0.115 R)
• M24: 32,872,038 km (0.115 R)
• M25: 39,587,636 km (0.071 R)
• M26: 39,892,067 km (0.08 R)
• M27: 43,023,151 km (0.096 R)
• M28: 43,830,680 km (0.105 R)
• M29: 45,143,701 km (0.107 R)
• M30: 46,821,740 km (0.09 R)
• M31: 56,029,489 km (0.059 R)
• M32: 58,752,918 km (0.076 R)
• M33: 63,208,990 km (0.118 R)
• M34: 70,307,110 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.6

Radius: 5.1

Gravity: 30.36 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 9.27 AU - 13.33 AU

Year: 24526 Days

Day: 16.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,403,100 km

• M1: 64,477 km (0.104 R)
• M2: 293,212 km (0.053 R)
• M3: 451,786 km (0.093 R)
• M4: 1,049,279 km (0.09 R)
• M5: 1,782,608 km (0.112 R)
• M6: 2,579,217 km (0.086 R)
• M7: 5,481,565 km (0.092 R)
• M8: 8,554,305 km (0.106 R)
• M9: 10,039,064 km (0.05 R)
• M10: 10,355,464 km (0.037 R)
• M11: 13,280,551 km (0.101 R)
• M12: 17,068,070 km (0.054 R)
• M13: 17,977,176 km (0.057 R)
• M14: 20,897,925 km (0.097 R)
• M15: 22,470,348 km (0.062 R)
• M16: 23,561,365 km (0.087 R)
• M17: 25,032,062 km (0.053 R)
• M18: 26,803,600 km (0.118 R)
• M19: 28,530,857 km (0.035 R)
• M20: 30,594,261 km (0.101 R)
• M21: 34,013,918 km (0.077 R)
• M22: 40,956,007 km (0.086 R)
• M23: 43,743,165 km (0.071 R)
• M24: 52,858,612 km (0.089 R)
• M25: 58,975,071 km (0.109 R)
• M26: 59,590,816 km (0.083 R)
• M27: 65,986,424 km (0.118 R)
• M28: 71,653,341 km (0.034 R)
• M29: 78,128,685 km (0.065 R)
• M30: 82,912,077 km (0.066 R)
• M31: 86,558,974 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 17,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit