🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.1

Radius: 11.5

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.72 AU - 1.16 AU

Year: 618 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,312,379 km

• M1: 143,165 km (0.042 R)
• M2: 736,919 km (0.096 R)
• M3: 1,163,722 km (0.041 R)
• M4: 1,539,512 km (0.098 R)
• M5: 2,260,274 km (0.053 R)
• M6: 2,734,200 km (0.086 R)
• M7: 3,354,882 km (0.086 R)
• M8: 3,743,388 km (0.089 R)
• M9: 4,230,179 km (0.088 R)
• M10: 5,156,489 km (0.082 R)
• M11: 5,659,587 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 10

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.93 AU - 1.21 AU

Year: 751 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,312,379 km

• M1: 124,316 km (0.038 R)
• M2: 625,618 km (0.073 R)
• M3: 1,190,649 km (0.054 R)
• M4: 1,698,983 km (0.039 R)
• M5: 2,072,230 km (0.104 R)
• M6: 3,395,722 km (0.109 R)
• M7: 3,887,151 km (0.111 R)
• M8: 5,103,382 km (0.115 R)
• M9: 7,508,916 km (0.091 R)
• M10: 7,821,575 km (0.094 R)
• M11: 8,707,045 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.1

Radius: 12.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.36 AU - 1.8 AU

Year: 1347 Days

Day: 12.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,312,379 km

• M1: 158,125 km (0.112 R)
• M2: 599,887 km (0.115 R)
• M3: 1,112,410 km (0.116 R)
• M4: 1,615,507 km (0.111 R)
• M5: 2,048,743 km (0.089 R)
• M6: 2,549,746 km (0.088 R)
• M7: 2,967,124 km (0.113 R)
• M8: 3,857,830 km (0.099 R)
• M9: 4,582,033 km (0.103 R)
• M10: 5,572,521 km (0.106 R)
• M11: 6,128,277 km (0.066 R)
• M12: 6,720,984 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.6

Radius: 9.7

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.66 AU - 4.1 AU

Year: 4215 Days

Day: 14.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,312,379 km

• M1: 120,725 km (0.073 R)
• M2: 435,928 km (0.095 R)
• M3: 875,596 km (0.081 R)
• M4: 1,311,076 km (0.105 R)
• M5: 2,036,177 km (0.07 R)
• M6: 2,710,564 km (0.033 R)
• M7: 3,754,907 km (0.094 R)
• M8: 4,718,616 km (0.061 R)
• M9: 5,048,180 km (0.111 R)
• M10: 6,130,371 km (0.117 R)
• M11: 6,773,792 km (0.04 R)
• M12: 7,735,407 km (0.116 R)
• M13: 8,450,036 km (0.104 R)
• M14: 9,286,138 km (0.066 R)
• M15: 10,728,710 km (0.115 R)
• M16: 12,173,527 km (0.108 R)
• M17: 13,339,044 km (0.099 R)
• M18: 13,846,181 km (0.048 R)
• M19: 15,170,122 km (0.062 R)
• M20: 16,288,665 km (0.076 R)
• M21: 17,521,202 km (0.094 R)
• M22: 20,105,355 km (0.032 R)
• M23: 21,869,713 km (0.108 R)
• M24: 23,808,800 km (0.042 R)
• M25: 25,163,409 km (0.061 R)
• M26: 25,859,787 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999

Radius: 8.2

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.07 AU - 5.03 AU

Year: 5528 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,312,379 km

• M1: 130,449 km (0.116 R)
• M2: 435,330 km (0.042 R)
• M3: 707,448 km (0.078 R)
• M4: 1,298,360 km (0.067 R)
• M5: 2,042,759 km (0.075 R)
• M6: 2,509,504 km (0.119 R)
• M7: 3,128,091 km (0.114 R)
• M8: 7,115,772 km (0.075 R)
• M9: 7,677,213 km (0.092 R)
• M10: 8,308,217 km (0.066 R)
• M11: 8,594,846 km (0.063 R)
• M12: 10,551,287 km (0.033 R)
• M13: 10,839,263 km (0.096 R)
• M14: 11,786,218 km (0.12 R)
• M15: 13,114,647 km (0.112 R)
• M16: 15,017,532 km (0.119 R)
• M17: 15,815,337 km (0.11 R)
• M18: 17,763,999 km (0.086 R)
• M19: 21,897,388 km (0.089 R)
• M20: 23,083,101 km (0.107 R)
• M21: 28,625,852 km (0.097 R)
• M22: 29,470,182 km (0.1 R)
• M23: 30,914,400 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.6

Radius: 3.3

Gravity: 32.29 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.89 AU - 8.11 AU

Year: 12561 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,312,379 km

• M1: 84,373 km (0.074 R)
• M2: 333,005 km (0.096 R)
• M3: 436,975 km (0.102 R)
• M4: 542,741 km (0.095 R)
• M5: 910,004 km (0.103 R)
• M6: 1,370,915 km (0.051 R)
• M7: 2,004,611 km (0.111 R)
• M8: 2,471,207 km (0.108 R)
• M9: 2,608,388 km (0.06 R)
• M10: 3,540,832 km (0.098 R)
• M11: 4,471,630 km (0.085 R)
• M12: 5,070,919 km (0.105 R)
• M13: 8,092,198 km (0.053 R)
• M14: 11,256,043 km (0.105 R)
• M15: 14,578,163 km (0.086 R)
• M16: 17,477,818 km (0.078 R)
• M17: 17,765,495 km (0.071 R)
• M18: 22,217,229 km (0.073 R)
• M19: 27,551,739 km (0.086 R)
• M20: 30,048,228 km (0.097 R)
• M21: 37,712,127 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.5

Radius: 5.4

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.59 AU - 8.99 AU

Year: 17676 Days

Day: 19.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,312,379 km

• M1: 70,012 km (0.041 R)
• M2: 287,826 km (0.109 R)
• M3: 464,801 km (0.11 R)
• M4: 654,191 km (0.12 R)
• M5: 1,356,853 km (0.107 R)
• M6: 1,603,988 km (0.025 R)
• M7: 2,171,263 km (0.112 R)
• M8: 3,441,200 km (0.112 R)
• M9: 5,172,646 km (0.114 R)
• M10: 7,706,385 km (0.113 R)
• M11: 8,449,288 km (0.111 R)
• M12: 10,332,575 km (0.1 R)
• M13: 18,681,483 km (0.111 R)
• M14: 22,437,736 km (0.089 R)
• M15: 24,308,457 km (0.093 R)
• M16: 34,654,945 km (0.118 R)
• M17: 40,781,726 km (0.071 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: 379 - 11,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit