🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.3

Radius: 13.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.51 AU - 0.63 AU

Year: 292 Days

Day: 14.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,581,595 km

• M1: 171,888 km (0.068 R)
• M2: 623,075 km (0.102 R)
• M3: 1,075,459 km (0.108 R)
• M4: 1,567,038 km (0.079 R)
• M5: 2,150,021 km (0.056 R)
• M6: 2,695,754 km (0.073 R)
• M7: 3,192,419 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 10.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.26 AU - 1.62 AU

Year: 1172 Days

Day: 14.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,581,595 km

• M1: 125,662 km (0.045 R)
• M2: 468,241 km (0.089 R)
• M3: 934,239 km (0.089 R)
• M4: 1,335,610 km (0.114 R)
• M5: 1,660,686 km (0.119 R)
• M6: 1,975,290 km (0.069 R)
• M7: 2,594,027 km (0.097 R)
• M8: 3,888,497 km (0.067 R)
• M9: 4,435,427 km (0.116 R)
• M10: 5,084,981 km (0.099 R)
• M11: 5,683,223 km (0.089 R)
• M12: 6,805,058 km (0.092 R)
• M13: 7,373,529 km (0.104 R)
• M14: 7,902,508 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.4

Radius: 12.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.58 AU - 3.26 AU

Year: 3384 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,581,595 km

• M1: 160,369 km (0.063 R)
• M2: 576,700 km (0.037 R)
• M3: 1,130,212 km (0.03 R)
• M4: 2,141,194 km (0.108 R)
• M5: 2,544,959 km (0.056 R)
• M6: 3,000,036 km (0.078 R)
• M7: 4,316,347 km (0.077 R)
• M8: 5,686,514 km (0.119 R)
• M9: 6,739,683 km (0.09 R)
• M10: 7,986,282 km (0.105 R)
• M11: 8,754,318 km (0.042 R)
• M12: 10,316,868 km (0.107 R)
• M13: 11,835,884 km (0.091 R)
• M14: 14,286,597 km (0.075 R)
• M15: 15,000,328 km (0.115 R)
• M16: 16,389,045 km (0.118 R)
• M17: 18,811,035 km (0.042 R)
• M18: 19,236,641 km (0.027 R)
• M19: 19,731,062 km (0.079 R)
• M20: 21,069,364 km (0.102 R)
• M21: 23,223,723 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.8

Radius: 10.6

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.82 AU - 3.54 AU

Year: 3846 Days

Day: 10.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,581,595 km

• M1: 132,993 km (0.102 R)
• M2: 628,610 km (0.072 R)
• M3: 1,170,753 km (0.112 R)
• M4: 1,521,261 km (0.041 R)
• M5: 1,942,678 km (0.058 R)
• M6: 2,681,243 km (0.049 R)
• M7: 3,803,675 km (0.067 R)
• M8: 4,447,694 km (0.066 R)
• M9: 6,068,288 km (0.106 R)
• M10: 6,790,696 km (0.079 R)
• M11: 7,237,994 km (0.1 R)
• M12: 7,911,184 km (0.116 R)
• M13: 8,998,611 km (0.081 R)
• M14: 10,515,534 km (0.09 R)
• M15: 10,898,504 km (0.036 R)
• M16: 11,468,173 km (0.1 R)
• M17: 12,906,855 km (0.106 R)
• M18: 14,151,959 km (0.039 R)
• M19: 14,671,811 km (0.079 R)
• M20: 16,364,661 km (0.117 R)
• M21: 16,706,791 km (0.039 R)
• M22: 20,004,826 km (0.033 R)
• M23: 20,527,670 km (0.078 R)
• M24: 23,424,184 km (0.062 R)
• M25: 23,932,069 km (0.062 R)
• M26: 24,299,481 km (0.066 R)
• M27: 25,196,321 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.8

Radius: 14.3

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.86 AU - 5.44 AU

Year: 6801 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 122.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,581,595 km

• M1: 178,321 km (0.095 R)
• M2: 735,872 km (0.036 R)
• M3: 1,185,114 km (0.115 R)
• M4: 1,976,487 km (0.087 R)
• M5: 2,444,280 km (0.029 R)
• M6: 2,912,371 km (0.089 R)
• M7: 4,797,753 km (0.106 R)
• M8: 7,083,758 km (0.097 R)
• M9: 8,898,081 km (0.052 R)
• M10: 11,144,293 km (0.055 R)
• M11: 14,234,686 km (0.118 R)
• M12: 15,017,532 km (0.079 R)
• M13: 16,125,753 km (0.113 R)
• M14: 18,702,127 km (0.11 R)
• M15: 19,505,468 km (0.066 R)
• M16: 20,753,563 km (0.103 R)
• M17: 22,499,669 km (0.088 R)
• M18: 23,026,852 km (0.067 R)
• M19: 25,543,088 km (0.046 R)
• M20: 26,449,053 km (0.112 R)
• M21: 29,834,004 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.4

Radius: 5.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.23 AU - 6.75 AU

Year: 9943 Days

Day: 18.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,581,595 km

• M1: 70,909 km (0.026 R)
• M2: 264,788 km (0.069 R)
• M3: 457,021 km (0.118 R)
• M4: 644,468 km (0.084 R)
• M5: 1,340,995 km (0.115 R)
• M6: 2,058,018 km (0.061 R)
• M7: 2,417,053 km (0.107 R)
• M8: 3,300,578 km (0.07 R)
• M9: 5,306,835 km (0.058 R)
• M10: 7,933,923 km (0.088 R)
• M11: 10,451,954 km (0.054 R)
• M12: 11,319,173 km (0.099 R)
• M13: 11,698,254 km (0.076 R)
• M14: 12,036,944 km (0.052 R)
• M15: 12,233,366 km (0.104 R)
• M16: 14,929,120 km (0.064 R)
• M17: 15,213,056 km (0.099 R)
• M18: 15,442,839 km (0.065 R)
• M19: 16,205,339 km (0.058 R)
• M20: 16,565,720 km (0.116 R)
• M21: 17,996,474 km (0.083 R)
• M22: 19,172,314 km (0.09 R)
• M23: 20,121,662 km (0.064 R)
• M24: 20,889,099 km (0.111 R)
• M25: 22,705,815 km (0.095 R)
• M26: 23,384,840 km (0.118 R)
• M27: 27,745,767 km (0.045 R)
• M28: 28,696,013 km (0.11 R)
• M29: 29,046,820 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.9

Radius: 6.3

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.23 AU - 8.43 AU

Year: 13460 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,581,595 km

• M1: 78,389 km (0.083 R)
• M2: 340,784 km (0.107 R)
• M3: 571,613 km (0.071 R)
• M4: 780,751 km (0.08 R)
• M5: 1,092,513 km (0.108 R)
• M6: 1,771,987 km (0.09 R)
• M7: 2,702,486 km (0.061 R)
• M8: 3,175,514 km (0.114 R)
• M9: 3,678,013 km (0.092 R)
• M10: 7,588,352 km (0.115 R)
• M11: 11,643,053 km (0.066 R)
• M12: 15,445,831 km (0.049 R)
• M13: 16,944,502 km (0.076 R)
• M14: 18,752,691 km (0.077 R)
• M15: 19,114,569 km (0.1 R)
• M16: 22,018,862 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 10,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit