🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.5

Radius: 10.4

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.81 AU - 1.17 AU

Year: 668 Days

Day: 10.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,093,882 km

• M1: 129,402 km (0.079 R)
• M2: 517,160 km (0.073 R)
• M3: 1,045,091 km (0.092 R)
• M4: 1,767,948 km (0.082 R)
• M5: 2,103,645 km (0.1 R)
• M6: 2,543,164 km (0.118 R)
• M7: 2,884,397 km (0.106 R)
• M8: 3,391,683 km (0.066 R)
• M9: 3,985,437 km (0.116 R)
• M10: 4,524,588 km (0.116 R)
• M11: 4,980,562 km (0.086 R)
• M12: 5,606,629 km (0.098 R)
• M13: 6,303,456 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 9.9

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.28 AU - 1.3 AU

Year: 994 Days

Day: 10.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,093,882 km

• M1: 124,765 km (0.118 R)
• M2: 489,335 km (0.118 R)
• M3: 943,813 km (0.101 R)
• M4: 1,298,958 km (0.068 R)
• M5: 1,663,379 km (0.06 R)
• M6: 1,983,668 km (0.057 R)
• M7: 2,483,773 km (0.063 R)
• M8: 2,866,894 km (0.082 R)
• M9: 3,204,536 km (0.112 R)
• M10: 3,660,062 km (0.092 R)
• M11: 4,058,590 km (0.09 R)
• M12: 4,450,836 km (0.082 R)
• M13: 5,573,867 km (0.076 R)
• M14: 5,887,424 km (0.12 R)
• M15: 6,782,019 km (0.069 R)
• M16: 7,998,250 km (0.109 R)
• M17: 8,644,513 km (0.092 R)
• M18: 9,471,340 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.9

Radius: 8.1

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.58 AU - 1.7 AU

Year: 1424 Days

Day: 9.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,093,882 km

• M1: 100,829 km (0.092 R)
• M2: 428,299 km (0.06 R)
• M3: 714,180 km (0.086 R)
• M4: 1,022,950 km (0.081 R)
• M5: 1,316,461 km (0.096 R)
• M6: 1,751,193 km (0.113 R)
• M7: 2,088,536 km (0.095 R)
• M8: 2,420,494 km (0.094 R)
• M9: 2,922,394 km (0.107 R)
• M10: 3,264,674 km (0.039 R)
• M11: 3,894,781 km (0.113 R)
• M12: 4,418,523 km (0.111 R)
• M13: 4,716,671 km (0.116 R)
• M14: 5,353,360 km (0.049 R)
• M15: 5,978,829 km (0.053 R)
• M16: 6,274,583 km (0.078 R)
• M17: 6,969,615 km (0.105 R)
• M18: 7,452,218 km (0.087 R)
• M19: 8,829,117 km (0.098 R)
• M20: 9,608,522 km (0.117 R)
• M21: 10,795,730 km (0.066 R)
• M22: 11,651,281 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.6

Radius: 14.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.23 AU - 4.65 AU

Year: 6345 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,093,882 km

• M1: 177,423 km (0.119 R)
• M2: 731,384 km (0.11 R)
• M3: 1,558,062 km (0.074 R)
• M4: 2,758,136 km (0.11 R)
• M5: 3,203,339 km (0.108 R)
• M6: 3,720,499 km (0.079 R)
• M7: 5,159,032 km (0.081 R)
• M8: 5,649,863 km (0.09 R)
• M9: 6,375,712 km (0.041 R)
• M10: 7,427,085 km (0.068 R)
• M11: 8,299,391 km (0.062 R)
• M12: 12,926,453 km (0.082 R)
• M13: 13,662,923 km (0.082 R)
• M14: 14,307,840 km (0.092 R)
• M15: 15,344,403 km (0.049 R)
• M16: 20,296,990 km (0.076 R)
• M17: 20,906,003 km (0.038 R)
• M18: 22,562,500 km (0.093 R)
• M19: 31,973,553 km (0.082 R)
• M20: 32,694,615 km (0.087 R)
• M21: 36,240,982 km (0.093 R)
• M22: 38,164,511 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.6

Radius: 6.5

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.06 AU - 6.56 AU

Year: 9499 Days

Day: 16.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,093,882 km

• M1: 81,381 km (0.088 R)
• M2: 304,880 km (0.088 R)
• M3: 546,032 km (0.112 R)
• M4: 1,318,107 km (0.105 R)
• M5: 1,873,265 km (0.054 R)
• M6: 3,547,714 km (0.105 R)
• M7: 3,873,388 km (0.091 R)
• M8: 4,914,440 km (0.096 R)
• M9: 5,840,899 km (0.069 R)
• M10: 6,163,133 km (0.105 R)
• M11: 8,034,303 km (0.116 R)
• M12: 9,798,960 km (0.083 R)
• M13: 10,867,537 km (0.046 R)
• M14: 14,537,173 km (0.088 R)
• M15: 15,189,569 km (0.041 R)
• M16: 18,063,494 km (0.1 R)
• M17: 18,267,097 km (0.076 R)
• M18: 19,166,928 km (0.086 R)
• M19: 21,280,447 km (0.076 R)
• M20: 22,432,350 km (0.118 R)
• M21: 22,746,356 km (0.077 R)
• M22: 24,776,250 km (0.099 R)
• M23: 25,706,449 km (0.114 R)
• M24: 27,012,140 km (0.046 R)
• M25: 28,452,917 km (0.098 R)
• M26: 29,192,229 km (0.066 R)
• M27: 32,577,928 km (0.104 R)
• M28: 35,467,860 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.8

Radius: 6.7

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.01 AU - 6.41 AU

Year: 10496 Days

Day: 23.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,093,882 km

• M1: 84,822 km (0.062 R)
• M2: 343,028 km (0.108 R)
• M3: 1,305,092 km (0.051 R)
• M4: 1,530,536 km (0.078 R)
• M5: 2,177,547 km (0.092 R)
• M6: 5,916,596 km (0.108 R)
• M7: 9,300,649 km (0.094 R)
• M8: 10,289,192 km (0.113 R)
• M9: 10,584,049 km (0.097 R)
• M10: 14,948,268 km (0.049 R)
• M11: 21,002,045 km (0.079 R)
• M12: 21,397,283 km (0.108 R)
• M13: 21,797,457 km (0.102 R)
• M14: 23,787,857 km (0.113 R)
• M15: 24,044,866 km (0.04 R)
• M16: 27,746,067 km (0.09 R)
• M17: 29,287,822 km (0.117 R)
• M18: 31,499,926 km (0.11 R)
• M19: 35,578,862 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 13,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit