🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.8

Radius: 11.7

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 9.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,938,048 km

• M1: 146,008 km (0.079 R)
• M2: 544,087 km (0.107 R)
• M3: 1,209,499 km (0.094 R)
• M4: 1,775,577 km (0.112 R)
• M5: 2,303,209 km (0.081 R)
• M6: 2,844,155 km (0.09 R)
• M7: 3,378,967 km (0.05 R)
• M8: 3,930,534 km (0.071 R)
• M9: 4,749,433 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.2

Radius: 12.8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.61 AU - 0.97 AU

Year: 476 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,938,048 km

• M1: 159,920 km (0.098 R)
• M2: 650,452 km (0.065 R)
• M3: 1,315,414 km (0.098 R)
• M4: 2,144,485 km (0.118 R)
• M5: 2,557,675 km (0.111 R)
• M6: 4,047,370 km (0.118 R)
• M7: 4,455,773 km (0.054 R)
• M8: 5,582,245 km (0.101 R)
• M9: 6,452,605 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957

Radius: 11.9

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.77 AU - 2.83 AU

Year: 3178 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,938,048 km

• M1: 149,897 km (0.095 R)
• M2: 526,285 km (0.115 R)
• M3: 1,131,558 km (0.067 R)
• M4: 1,820,307 km (0.065 R)
• M5: 2,218,088 km (0.07 R)
• M6: 2,610,034 km (0.093 R)
• M7: 3,084,259 km (0.079 R)
• M8: 4,765,889 km (0.057 R)
• M9: 5,294,418 km (0.044 R)
• M10: 6,589,786 km (0.117 R)
• M11: 8,296,698 km (0.112 R)
• M12: 9,718,476 km (0.101 R)
• M13: 10,199,583 km (0.091 R)
• M14: 11,560,923 km (0.066 R)
• M15: 12,517,751 km (0.114 R)
• M16: 13,379,435 km (0.076 R)
• M17: 15,760,884 km (0.102 R)
• M18: 16,369,897 km (0.1 R)
• M19: 17,225,447 km (0.079 R)
• M20: 17,812,319 km (0.09 R)
• M21: 18,963,924 km (0.066 R)
• M22: 20,750,721 km (0.086 R)
• M23: 21,348,215 km (0.109 R)
• M24: 23,494,495 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 9.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.57 AU - 6.51 AU

Year: 8844 Days

Day: 14.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,938,048 km

• M1: 120,127 km (0.075 R)
• M2: 636,090 km (0.109 R)
• M3: 2,072,678 km (0.045 R)
• M4: 3,621,316 km (0.096 R)
• M5: 3,963,745 km (0.115 R)
• M6: 6,012,937 km (0.041 R)
• M7: 6,494,941 km (0.099 R)
• M8: 9,093,157 km (0.106 R)
• M9: 10,853,924 km (0.073 R)
• M10: 11,814,641 km (0.089 R)
• M11: 14,350,625 km (0.086 R)
• M12: 16,662,211 km (0.079 R)
• M13: 17,743,504 km (0.065 R)
• M14: 18,870,874 km (0.07 R)
• M15: 22,160,531 km (0.087 R)
• M16: 22,845,988 km (0.09 R)
• M17: 25,730,385 km (0.115 R)
• M18: 26,233,632 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.6

Radius: 7.3

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.33 AU - 12.81 AU

Year: 23308 Days

Day: 19 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,938,048 km

• M1: 92,302 km (0.099 R)
• M2: 672,742 km (0.116 R)
• M3: 1,249,142 km (0.112 R)
• M4: 2,923,442 km (0.077 R)
• M5: 3,167,735 km (0.107 R)
• M6: 4,932,691 km (0.076 R)
• M7: 7,220,341 km (0.108 R)
• M8: 8,349,506 km (0.11 R)
• M9: 9,126,667 km (0.05 R)
• M10: 10,824,453 km (0.07 R)
• M11: 17,783,746 km (0.057 R)
• M12: 21,205,648 km (0.096 R)
• M13: 23,177,497 km (0.101 R)
• M14: 26,769,492 km (0.088 R)
• M15: 33,506,482 km (0.088 R)
• M16: 37,189,881 km (0.103 R)
• M17: 43,045,740 km (0.072 R)
• M18: 46,361,278 km (0.108 R)
• M19: 51,283,496 km (0.049 R)
• M20: 75,628,306 km (0.056 R)
• M21: 84,176,777 km (0.136 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 18,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit