🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 10.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.36 AU - 3.38 AU

Year: 3298 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 58.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,962,949 km

• M1: 135,536 km (0.061 R)
• M2: 497,263 km (0.091 R)
• M3: 1,345,782 km (0.052 R)
• M4: 1,990,400 km (0.104 R)
• M5: 4,431,837 km (0.107 R)
• M6: 5,938,587 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 11.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.19 AU - 4.47 AU

Year: 5084 Days

Day: 12.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,962,949 km

• M1: 140,472 km (0.109 R)
• M2: 555,307 km (0.112 R)
• M3: 3,346,804 km (0.061 R)
• M4: 3,848,106 km (0.054 R)
• M5: 4,289,270 km (0.079 R)
• M6: 4,740,607 km (0.1 R)
• M7: 5,425,915 km (0.117 R)
• M8: 6,693,906 km (0.067 R)
• M9: 7,271,803 km (0.1 R)
• M10: 8,082,773 km (0.065 R)
• M11: 10,433,554 km (0.104 R)
• M12: 10,797,226 km (0.119 R)
• M13: 11,593,087 km (0.114 R)
• M14: 12,293,055 km (0.109 R)
• M15: 13,348,618 km (0.111 R)
• M16: 14,463,571 km (0.11 R)
• M17: 19,489,012 km (0.035 R)
• M18: 21,567,226 km (0.115 R)
• M19: 21,960,369 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.1

Radius: 12.6

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.35 AU - 5.85 AU

Year: 8988 Days

Day: 7.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,962,949 km

• M1: 156,779 km (0.096 R)
• M2: 571,913 km (0.067 R)
• M3: 1,204,263 km (0.084 R)
• M4: 2,136,407 km (0.116 R)
• M5: 2,920,599 km (0.108 R)
• M6: 4,245,887 km (0.119 R)
• M7: 4,964,106 km (0.073 R)
• M8: 6,377,656 km (0.089 R)
• M9: 7,036,635 km (0.074 R)
• M10: 11,759,141 km (0.084 R)
• M11: 12,394,932 km (0.118 R)
• M12: 14,572,029 km (0.108 R)
• M13: 15,855,130 km (0.112 R)
• M14: 18,260,814 km (0.049 R)
• M15: 18,878,802 km (0.044 R)
• M16: 20,075,137 km (0.119 R)
• M17: 25,179,865 km (0.115 R)
• M18: 25,752,974 km (0.069 R)
• M19: 27,827,298 km (0.065 R)
• M20: 32,306,408 km (0.107 R)
• M21: 32,756,548 km (0.094 R)
• M22: 36,267,461 km (0.111 R)
• M23: 37,615,337 km (0.062 R)
• M24: 39,123,583 km (0.117 R)
• M25: 40,933,717 km (0.093 R)
• M26: 44,720,339 km (0.033 R)
• M27: 49,030,104 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.9

Radius: 3.6

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.7 AU - 6.58 AU

Year: 10319 Days

Day: 18.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,962,949 km

• M1: 44,730 km (0.112 R)
• M2: 261,198 km (0.063 R)
• M3: 817,552 km (0.097 R)
• M4: 953,537 km (0.105 R)
• M5: 1,186,162 km (0.052 R)
• M6: 1,331,122 km (0.087 R)
• M7: 1,680,283 km (0.119 R)
• M8: 3,970,776 km (0.099 R)
• M9: 4,098,982 km (0.062 R)
• M10: 5,150,954 km (0.104 R)
• M11: 6,056,320 km (0.118 R)
• M12: 6,283,859 km (0.096 R)
• M13: 7,156,762 km (0.112 R)
• M14: 7,904,303 km (0.053 R)
• M15: 8,279,494 km (0.077 R)
• M16: 8,630,900 km (0.072 R)
• M17: 10,096,659 km (0.054 R)
• M18: 10,619,953 km (0.092 R)
• M19: 11,246,020 km (0.046 R)
• M20: 11,633,179 km (0.106 R)
• M21: 11,940,453 km (0.077 R)
• M22: 13,558,354 km (0.078 R)
• M23: 21,822,589 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.8

Radius: 6.1

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.79 AU - 7.51 AU

Year: 11631 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 160.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,962,949 km

• M1: 75,846 km (0.094 R)
• M2: 310,715 km (0.098 R)
• M3: 643,869 km (0.113 R)
• M4: 851,361 km (0.062 R)
• M5: 1,276,668 km (0.085 R)
• M6: 1,583,793 km (0.104 R)
• M7: 2,079,710 km (0.081 R)
• M8: 3,420,256 km (0.097 R)
• M9: 4,193,079 km (0.102 R)
• M10: 4,403,264 km (0.095 R)
• M11: 4,930,895 km (0.111 R)
• M12: 5,225,005 km (0.12 R)
• M13: 6,590,385 km (0.119 R)
• M14: 7,167,982 km (0.077 R)
• M15: 9,191,293 km (0.101 R)
• M16: 9,502,008 km (0.093 R)
• M17: 11,312,591 km (0.104 R)
• M18: 12,731,078 km (0.084 R)
• M19: 13,454,533 km (0.12 R)
• M20: 23,720,538 km (0.073 R)
• M21: 26,472,690 km (0.096 R)
• M22: 27,465,870 km (0.108 R)
• M23: 28,765,576 km (0.04 R)
• M24: 33,952,134 km (0.08 R)
• M25: 35,231,645 km (0.116 R)
• M26: 36,212,109 km (0.119 R)
• M27: 37,435,222 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.3

Radius: 5

Gravity: 19.17 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.66 AU - 9.72 AU

Year: 15897 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,962,949 km

• M1: 62,382 km (0.044 R)
• M2: 224,546 km (0.116 R)
• M3: 1,033,572 km (0.113 R)
• M4: 1,563,747 km (0.038 R)
• M5: 2,278,226 km (0.095 R)
• M6: 2,741,082 km (0.062 R)
• M7: 3,523,329 km (0.109 R)
• M8: 3,767,772 km (0.083 R)
• M9: 4,170,639 km (0.104 R)
• M10: 4,665,658 km (0.094 R)
• M11: 6,505,712 km (0.091 R)
• M12: 6,915,910 km (0.109 R)
• M13: 7,256,394 km (0.114 R)
• M14: 9,800,904 km (0.109 R)
• M15: 10,014,081 km (0.071 R)
• M16: 12,694,277 km (0.06 R)
• M17: 13,140,079 km (0.103 R)
• M18: 14,678,393 km (0.077 R)
• M19: 15,889,837 km (0.079 R)
• M20: 18,672,657 km (0.081 R)
• M21: 19,922,098 km (0.081 R)
• M22: 25,378,980 km (0.079 R)
• M23: 26,495,728 km (0.097 R)
• M24: 27,328,240 km (0.113 R)
• M25: 27,964,031 km (0.091 R)
• M26: 29,264,934 km (0.107 R)
• M27: 30,492,384 km (0.078 R)
• M28: 32,456,305 km (0.063 R)
• M29: 36,124,894 km (0.096 R)
• M30: 41,572,201 km (0.078 R)
• M31: 43,264,452 km (0.045 R)
• M32: 45,739,399 km (0.079 R)
• M33: 47,694,644 km (0.097 R)
• M34: 52,255,583 km (0.094 R)
• M35: 57,443,338 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 12,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit