🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 13.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.09 AU - 1.55 AU

Year: 1029 Days

Day: 14.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,814,957 km

• M1: 168,148 km (0.073 R)
• M2: 628,311 km (0.1 R)
• M3: 1,052,870 km (0.103 R)
• M4: 1,654,403 km (0.038 R)
• M5: 2,174,405 km (0.055 R)
• M6: 2,739,137 km (0.111 R)
• M7: 3,597,829 km (0.116 R)
• M8: 4,065,621 km (0.085 R)
• M9: 4,592,505 km (0.091 R)
• M10: 5,264,798 km (0.059 R)
• M11: 5,741,716 km (0.066 R)
• M12: 6,224,767 km (0.096 R)
• M13: 6,735,195 km (0.044 R)
• M14: 7,348,846 km (0.119 R)
• M15: 7,840,125 km (0.07 R)
• M16: 9,447,106 km (0.094 R)
• M17: 9,966,360 km (0.079 R)
• M18: 10,830,587 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.9

Radius: 11.3

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.09 AU - 2.79 AU

Year: 2585 Days

Day: 7.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,814,957 km

• M1: 140,622 km (0.113 R)
• M2: 566,527 km (0.109 R)
• M3: 1,680,882 km (0.111 R)
• M4: 2,179,342 km (0.118 R)
• M5: 2,555,730 km (0.053 R)
• M6: 3,898,969 km (0.112 R)
• M7: 4,693,184 km (0.104 R)
• M8: 5,765,053 km (0.103 R)
• M9: 8,420,415 km (0.092 R)
• M10: 8,814,157 km (0.076 R)
• M11: 11,322,016 km (0.094 R)
• M12: 13,019,353 km (0.119 R)
• M13: 15,701,793 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 12.3

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.82 AU - 4.28 AU

Year: 5528 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,814,957 km

• M1: 153,188 km (0.076 R)
• M2: 677,230 km (0.044 R)
• M3: 1,083,986 km (0.086 R)
• M4: 2,229,008 km (0.088 R)
• M5: 3,214,709 km (0.103 R)
• M6: 4,471,630 km (0.092 R)
• M7: 4,858,490 km (0.097 R)
• M8: 6,603,998 km (0.079 R)
• M9: 7,073,436 km (0.057 R)
• M10: 8,230,725 km (0.056 R)
• M11: 9,219,567 km (0.108 R)
• M12: 9,849,973 km (0.106 R)
• M13: 10,689,516 km (0.092 R)
• M14: 11,720,544 km (0.09 R)
• M15: 12,460,755 km (0.038 R)
• M16: 14,364,836 km (0.075 R)
• M17: 15,212,757 km (0.066 R)
• M18: 15,619,813 km (0.116 R)
• M19: 17,957,579 km (0.061 R)
• M20: 19,345,249 km (0.108 R)
• M21: 24,093,485 km (0.109 R)
• M22: 26,192,942 km (0.083 R)
• M23: 29,118,627 km (0.032 R)
• M24: 31,404,483 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.1

Radius: 5.2

Gravity: 29.03 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.78 AU - 7.84 AU

Year: 13405 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,814,957 km

• M1: 80,633 km (0.109 R)
• M2: 300,393 km (0.116 R)
• M3: 1,135,448 km (0.106 R)
• M4: 1,373,608 km (0.102 R)
• M5: 2,023,760 km (0.095 R)
• M6: 3,623,111 km (0.053 R)
• M7: 4,840,987 km (0.078 R)
• M8: 5,254,176 km (0.074 R)
• M9: 6,072,028 km (0.09 R)
• M10: 6,971,859 km (0.101 R)
• M11: 11,828,404 km (0.104 R)
• M12: 13,421,771 km (0.085 R)
• M13: 14,097,505 km (0.053 R)
• M14: 14,654,009 km (0.079 R)
• M15: 16,640,968 km (0.055 R)
• M16: 17,980,168 km (0.114 R)
• M17: 21,230,182 km (0.057 R)
• M18: 28,642,308 km (0.047 R)
• M19: 29,421,563 km (0.093 R)
• M20: 29,986,893 km (0.119 R)
• M21: 35,277,272 km (0.049 R)
• M22: 53,963,094 km (0.084 R)
• M23: 55,837,106 km (0.075 R)
• M24: 59,175,682 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.8

Radius: 5.2

Gravity: 30.91 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.1 AU - 9.7 AU

Year: 18008 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,814,957 km

• M1: 64,776 km (0.079 R)
• M2: 255,214 km (0.104 R)
• M3: 974,331 km (0.092 R)
• M4: 2,029,146 km (0.038 R)
• M5: 2,256,534 km (0.118 R)
• M6: 2,617,364 km (0.118 R)
• M7: 2,836,675 km (0.118 R)
• M8: 3,598,876 km (0.034 R)
• M9: 4,697,822 km (0.067 R)
• M10: 5,285,442 km (0.11 R)
• M11: 6,087,287 km (0.116 R)
• M12: 7,486,027 km (0.063 R)
• M13: 7,730,171 km (0.075 R)
• M14: 8,867,863 km (0.118 R)
• M15: 10,532,438 km (0.117 R)
• M16: 17,006,136 km (0.078 R)
• M17: 23,777,983 km (0.029 R)
• M18: 24,093,784 km (0.12 R)
• M19: 25,166,401 km (0.116 R)
• M20: 26,948,112 km (0.099 R)
• M21: 27,869,635 km (0.079 R)
• M22: 28,338,325 km (0.079 R)
• M23: 28,812,101 km (0.117 R)
• M24: 30,512,281 km (0.096 R)
• M25: 30,760,464 km (0.096 R)
• M26: 31,513,240 km (0.109 R)
• M27: 34,647,166 km (0.091 R)
• M28: 47,244,653 km (0.109 R)
• M29: 50,464,299 km (0.089 R)
• M30: 54,008,122 km (0.066 R)
• M31: 59,823,291 km (0.105 R)
• M32: 60,798,669 km (0.089 R)
• M33: 60,994,941 km (0.068 R)
• M34: 65,422,141 km (0.108 R)
• M35: 66,874,437 km (0.097 R)
• M36: 67,293,311 km (0.088 R)
• M37: 73,120,597 km (0.113 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: 209 - 19,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit