🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.5

Radius: 11.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.72 AU - 0.78 AU

Year: 426 Days

Day: 13.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,669,295 km

• M1: 144,212 km (0.11 R)
• M2: 522,545 km (0.104 R)
• M3: 890,706 km (0.096 R)
• M4: 1,344,436 km (0.081 R)
• M5: 1,726,509 km (0.1 R)
• M6: 2,330,585 km (0.103 R)
• M7: 2,798,378 km (0.039 R)
• M8: 3,170,428 km (0.091 R)
• M9: 4,228,683 km (0.105 R)
• M10: 4,692,586 km (0.072 R)
• M11: 5,284,395 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.3

Radius: 11.8

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.62 AU - 0.96 AU

Year: 461 Days

Day: 12 Hours

Environment

Temp: -137 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,669,295 km

• M1: 149,747 km (0.077 R)
• M2: 525,837 km (0.089 R)
• M3: 1,062,145 km (0.057 R)
• M4: 1,447,359 km (0.048 R)
• M5: 2,482,726 km (0.053 R)
• M6: 2,872,279 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.1

Radius: 12.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.95 AU - 1.53 AU

Year: 906 Days

Day: 7.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,669,295 km

• M1: 151,692 km (0.082 R)
• M2: 562,189 km (0.106 R)
• M3: 1,056,460 km (0.092 R)
• M4: 2,252,495 km (0.09 R)
• M5: 3,382,109 km (0.062 R)
• M6: 3,770,465 km (0.11 R)
• M7: 4,490,180 km (0.102 R)
• M8: 5,729,898 km (0.105 R)
• M9: 6,203,824 km (0.111 R)
• M10: 7,761,437 km (0.088 R)
• M11: 8,145,903 km (0.091 R)
• M12: 8,593,650 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 13.7

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.29 AU - 1.83 AU

Year: 1278 Days

Day: 9.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,669,295 km

• M1: 170,392 km (0.11 R)
• M2: 607,667 km (0.045 R)
• M3: 1,483,263 km (0.097 R)
• M4: 2,448,917 km (0.11 R)
• M5: 3,337,977 km (0.078 R)
• M6: 4,563,633 km (0.064 R)
• M7: 5,033,220 km (0.116 R)
• M8: 6,788,452 km (0.101 R)
• M9: 9,316,955 km (0.102 R)
• M10: 10,174,899 km (0.096 R)
• M11: 12,232,917 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 9.5

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.59 AU - 1.65 AU

Year: 1353 Days

Day: 10.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,669,295 km

• M1: 118,182 km (0.095 R)
• M2: 465,100 km (0.11 R)
• M3: 1,055,263 km (0.08 R)
• M4: 1,909,168 km (0.099 R)
• M5: 2,205,821 km (0.106 R)
• M6: 2,797,480 km (0.089 R)
• M7: 3,428,185 km (0.061 R)
• M8: 3,836,737 km (0.067 R)
• M9: 4,771,574 km (0.073 R)
• M10: 5,388,515 km (0.112 R)
• M11: 6,174,503 km (0.098 R)
• M12: 6,958,246 km (0.113 R)
• M13: 7,427,385 km (0.081 R)
• M14: 8,227,584 km (0.1 R)
• M15: 9,966,509 km (0.076 R)
• M16: 10,664,982 km (0.117 R)
• M17: 11,289,403 km (0.112 R)
• M18: 11,682,696 km (0.119 R)
• M19: 12,459,259 km (0.118 R)
• M20: 12,956,971 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.3

Radius: 14.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.64 AU - 2.74 AU

Year: 2126 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,669,295 km

• M1: 183,407 km (0.084 R)
• M2: 655,837 km (0.029 R)
• M3: 1,401,283 km (0.047 R)
• M4: 1,949,410 km (0.079 R)
• M5: 2,472,853 km (0.086 R)
• M6: 3,031,750 km (0.075 R)
• M7: 4,562,137 km (0.093 R)
• M8: 5,109,814 km (0.098 R)
• M9: 8,843,329 km (0.119 R)
• M10: 10,368,479 km (0.108 R)
• M11: 12,024,976 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.4

Radius: 11.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.13 AU - 3.67 AU

Year: 4113 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,669,295 km

• M1: 144,212 km (0.097 R)
• M2: 724,203 km (0.107 R)
• M3: 2,034,681 km (0.076 R)
• M4: 2,644,591 km (0.105 R)
• M5: 3,429,980 km (0.034 R)
• M6: 3,826,265 km (0.077 R)
• M7: 4,547,626 km (0.042 R)
• M8: 4,953,485 km (0.062 R)
• M9: 5,462,117 km (0.095 R)
• M10: 6,203,674 km (0.081 R)
• M11: 6,734,597 km (0.099 R)
• M12: 7,457,005 km (0.11 R)
• M13: 7,853,888 km (0.051 R)
• M14: 12,827,419 km (0.118 R)
• M15: 13,544,292 km (0.06 R)
• M16: 16,625,709 km (0.088 R)
• M17: 17,651,950 km (0.115 R)
• M18: 18,359,249 km (0.071 R)
• M19: 18,841,253 km (0.12 R)
• M20: 19,642,350 km (0.104 R)
• M21: 23,637,511 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.8

Radius: 6.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.35 AU - 6.75 AU

Year: 9762 Days

Day: 18.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,669,295 km

• M1: 83,625 km (0.112 R)
• M2: 315,502 km (0.07 R)
• M3: 551,717 km (0.106 R)
• M4: 773,271 km (0.042 R)
• M5: 1,206,806 km (0.078 R)
• M6: 1,627,326 km (0.052 R)
• M7: 2,010,595 km (0.069 R)
• M8: 2,372,024 km (0.04 R)
• M9: 3,166,389 km (0.105 R)
• M10: 5,294,119 km (0.112 R)
• M11: 5,806,342 km (0.092 R)
• M12: 6,165,676 km (0.117 R)
• M13: 8,376,583 km (0.117 R)
• M14: 9,515,023 km (0.103 R)
• M15: 10,142,586 km (0.103 R)
• M16: 13,544,741 km (0.105 R)
• M17: 15,787,063 km (0.087 R)
• M18: 16,251,864 km (0.102 R)
• M19: 16,905,607 km (0.118 R)
• M20: 19,897,863 km (0.116 R)
• M21: 20,714,817 km (0.108 R)
• M22: 22,053,868 km (0.062 R)
• M23: 23,225,369 km (0.077 R)
• M24: 24,283,923 km (0.068 R)
• M25: 25,137,977 km (0.074 R)
• M26: 27,820,267 km (0.106 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: 166 - 19,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit