🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 14.5

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.66 AU - 0.94 AU

Year: 477 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,172,616 km

• M1: 180,265 km (0.107 R)
• M2: 866,920 km (0.027 R)
• M3: 1,566,439 km (0.113 R)
• M4: 2,083,450 km (0.115 R)
• M5: 2,774,293 km (0.102 R)
• M6: 3,302,223 km (0.109 R)
• M7: 4,261,445 km (0.078 R)
• M8: 5,289,482 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.3

Radius: 12.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.69 AU - 2.57 AU

Year: 2073 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,172,616 km

• M1: 155,432 km (0.115 R)
• M2: 599,439 km (0.11 R)
• M3: 1,006,046 km (0.081 R)
• M4: 1,702,573 km (0.057 R)
• M5: 2,379,803 km (0.082 R)
• M6: 3,218,598 km (0.044 R)
• M7: 4,074,597 km (0.119 R)
• M8: 4,663,714 km (0.113 R)
• M9: 5,831,624 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.2

Radius: 9.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.84 AU - 4.42 AU

Year: 4612 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,172,616 km

• M1: 120,576 km (0.041 R)
• M2: 536,757 km (0.032 R)
• M3: 922,720 km (0.085 R)
• M4: 1,299,258 km (0.081 R)
• M5: 1,921,734 km (0.071 R)
• M6: 2,503,221 km (0.067 R)
• M7: 2,925,536 km (0.11 R)
• M8: 3,394,974 km (0.071 R)
• M9: 3,954,620 km (0.063 R)
• M10: 4,288,971 km (0.107 R)
• M11: 4,687,799 km (0.076 R)
• M12: 5,135,545 km (0.105 R)
• M13: 7,006,566 km (0.098 R)
• M14: 7,435,463 km (0.118 R)
• M15: 7,817,087 km (0.083 R)
• M16: 8,145,006 km (0.099 R)
• M17: 8,969,739 km (0.086 R)
• M18: 9,293,020 km (0.116 R)
• M19: 9,736,278 km (0.054 R)
• M20: 11,441,096 km (0.077 R)
• M21: 11,821,673 km (0.112 R)
• M22: 12,254,459 km (0.037 R)
• M23: 12,878,133 km (0.103 R)
• M24: 14,628,428 km (0.12 R)
• M25: 15,586,453 km (0.079 R)
• M26: 17,908,062 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 14.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.14 AU - 5.98 AU

Year: 8743 Days

Day: 12.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 157.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,172,616 km

• M1: 179,069 km (0.08 R)
• M2: 667,356 km (0.037 R)
• M3: 1,435,840 km (0.117 R)
• M4: 1,920,388 km (0.098 R)
• M5: 2,987,619 km (0.057 R)
• M6: 3,518,692 km (0.079 R)
• M7: 4,957,374 km (0.073 R)
• M8: 5,605,283 km (0.114 R)
• M9: 6,272,489 km (0.097 R)
• M10: 6,953,159 km (0.033 R)
• M11: 18,492,391 km (0.069 R)
• M12: 19,419,449 km (0.078 R)
• M13: 20,868,005 km (0.103 R)
• M14: 22,473,939 km (0.09 R)
• M15: 22,997,830 km (0.094 R)
• M16: 25,175,377 km (0.083 R)
• M17: 25,930,846 km (0.11 R)
• M18: 29,208,236 km (0.102 R)
• M19: 30,678,634 km (0.073 R)
• M20: 34,570,273 km (0.087 R)
• M21: 35,268,895 km (0.104 R)
• M22: 40,812,842 km (0.042 R)
• M23: 45,646,499 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.8

Radius: 5

Gravity: 23.67 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.78 AU - 8.32 AU

Year: 15231 Days

Day: 20.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,172,616 km

• M1: 62,233 km (0.108 R)
• M2: 231,428 km (0.091 R)
• M3: 391,348 km (0.048 R)
• M4: 637,437 km (0.057 R)
• M5: 1,123,330 km (0.115 R)
• M6: 1,913,357 km (0.096 R)
• M7: 2,096,614 km (0.102 R)
• M8: 2,717,745 km (0.099 R)
• M9: 3,120,163 km (0.064 R)
• M10: 3,322,868 km (0.055 R)
• M11: 5,135,097 km (0.066 R)
• M12: 6,410,418 km (0.088 R)
• M13: 7,791,207 km (0.085 R)
• M14: 9,255,171 km (0.064 R)
• M15: 11,902,306 km (0.073 R)
• M16: 12,779,099 km (0.076 R)
• M17: 13,233,278 km (0.081 R)
• M18: 15,447,177 km (0.117 R)
• M19: 17,105,021 km (0.066 R)
• M20: 17,261,350 km (0.098 R)
• M21: 18,961,231 km (0.117 R)
• M22: 23,838,421 km (0.096 R)
• M23: 25,429,544 km (0.101 R)
• M24: 26,773,531 km (0.058 R)
• M25: 29,827,571 km (0.103 R)
• M26: 36,616,772 km (0.099 R)
• M27: 37,268,719 km (0.087 R)
• M28: 37,795,752 km (0.091 R)
• M29: 40,091,631 km (0.09 R)
• M30: 43,926,273 km (0.047 R)
• M31: 44,366,839 km (0.114 R)
• M32: 46,158,722 km (0.12 R)
• M33: 50,365,714 km (0.107 R)
• M34: 51,171,896 km (0.096 R)
• M35: 52,150,566 km (0.036 R)
• M36: 53,474,806 km (0.04 R)
• M37: 54,313,751 km (0.081 R)
• M38: 57,933,122 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.5

Radius: 4.1

Gravity: 26.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.36 AU - 10.84 AU

Year: 23014 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,172,616 km

• M1: 51,162 km (0.067 R)
• M2: 178,769 km (0.105 R)
• M3: 1,151,006 km (0.07 R)
• M4: 1,470,547 km (0.081 R)
• M5: 1,902,586 km (0.106 R)
• M6: 2,037,523 km (0.048 R)
• M7: 5,785,099 km (0.116 R)
• M8: 8,432,533 km (0.113 R)
• M9: 18,517,524 km (0.091 R)
• M10: 30,843,939 km (0.09 R)
• M11: 31,710,709 km (0.117 R)
• M12: 33,492,719 km (0.117 R)
• M13: 34,672,897 km (0.104 R)
• M14: 34,938,882 km (0.087 R)
• M15: 37,254,956 km (0.119 R)
• M16: 41,588,058 km (0.117 R)
• M17: 42,493,126 km (0.11 R)
• M18: 50,042,433 km (0.042 R)
• M19: 50,552,561 km (0.081 R)
• M20: 53,155,115 km (0.103 R)
• M21: 69,185,724 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 15,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit