🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.9

Radius: 8.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.52 AU - 0.64 AU

Year: 305 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,269,983 km

• M1: 109,506 km (0.084 R)
• M2: 562,488 km (0.104 R)
• M3: 878,738 km (0.069 R)
• M4: 1,202,916 km (0.118 R)
• M5: 1,632,113 km (0.115 R)
• M6: 2,013,438 km (0.086 R)
• M7: 2,307,996 km (0.084 R)
• M8: 2,648,780 km (0.111 R)
• M9: 3,370,590 km (0.085 R)
• M10: 3,689,383 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317

Radius: 8.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.57 AU - 0.63 AU

Year: 321 Days

Day: 5.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,269,983 km

• M1: 106,962 km (0.032 R)
• M2: 509,082 km (0.109 R)
• M3: 842,386 km (0.07 R)
• M4: 1,138,141 km (0.067 R)
• M5: 1,696,889 km (0.093 R)
• M6: 2,061,010 km (0.117 R)
• M7: 2,427,973 km (0.059 R)
• M8: 2,731,358 km (0.103 R)
• M9: 3,041,325 km (0.056 R)
• M10: 3,374,629 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 12.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.51 AU - 0.83 AU

Year: 379 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 102.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,269,983 km

• M1: 151,692 km (0.099 R)
• M2: 577,747 km (0.073 R)
• M3: 1,312,721 km (0.108 R)
• M4: 1,797,568 km (0.051 R)
• M5: 2,191,160 km (0.086 R)
• M6: 2,821,416 km (0.084 R)
• M7: 3,280,831 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.7

Radius: 11

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.69 AU - 0.77 AU

Year: 431 Days

Day: 9.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,269,983 km

• M1: 137,480 km (0.089 R)
• M2: 892,800 km (0.084 R)
• M3: 1,311,076 km (0.118 R)
• M4: 1,778,120 km (0.084 R)
• M5: 2,139,549 km (0.09 R)
• M6: 2,629,931 km (0.089 R)
• M7: 3,287,413 km (0.118 R)
• M8: 4,360,628 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 11.4

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.58 AU - 0.9 AU

Year: 439 Days

Day: 12.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,269,983 km

• M1: 142,268 km (0.096 R)
• M2: 517,908 km (0.098 R)
• M3: 970,142 km (0.1 R)
• M4: 1,945,371 km (0.083 R)
• M5: 2,531,495 km (0.096 R)
• M6: 3,082,763 km (0.104 R)
• M7: 3,510,164 km (0.099 R)
• M8: 4,514,864 km (0.057 R)
• M9: 4,879,135 km (0.105 R)
• M10: 6,293,882 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.1

Radius: 9.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.17 AU - 1.93 AU

Year: 1332 Days

Day: 13.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,269,983 km

• M1: 121,623 km (0.065 R)
• M2: 532,718 km (0.101 R)
• M3: 1,855,462 km (0.087 R)
• M4: 2,692,014 km (0.08 R)
• M5: 3,095,479 km (0.115 R)
• M6: 5,185,212 km (0.068 R)
• M7: 5,551,727 km (0.071 R)
• M8: 6,294,031 km (0.117 R)
• M9: 7,171,124 km (0.064 R)
• M10: 8,000,345 km (0.116 R)
• M11: 9,475,230 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.5

Radius: 12.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.59 AU - 4.25 AU

Year: 5357 Days

Day: 6 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,269,983 km

• M1: 153,787 km (0.082 R)
• M2: 737,218 km (0.097 R)
• M3: 1,160,281 km (0.082 R)
• M4: 1,929,663 km (0.092 R)
• M5: 2,638,607 km (0.039 R)
• M6: 4,654,738 km (0.025 R)
• M7: 5,180,275 km (0.109 R)
• M8: 6,384,089 km (0.106 R)
• M9: 10,223,070 km (0.102 R)
• M10: 11,954,515 km (0.094 R)
• M11: 17,912,699 km (0.11 R)
• M12: 19,137,308 km (0.12 R)
• M13: 22,988,256 km (0.098 R)
• M14: 26,801,057 km (0.081 R)
• M15: 28,130,384 km (0.062 R)
• M16: 30,824,342 km (0.096 R)
• M17: 31,987,914 km (0.099 R)
• M18: 33,180,509 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455

Radius: 4

Gravity: 28.44 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.8 AU - 8.76 AU

Year: 16446 Days

Day: 22.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,269,983 km

• M1: 52,658 km (0.098 R)
• M2: 238,459 km (0.115 R)
• M3: 704,157 km (0.089 R)
• M4: 1,369,269 km (0.087 R)
• M5: 2,743,475 km (0.092 R)
• M6: 6,774,240 km (0.11 R)
• M7: 8,095,040 km (0.076 R)
• M8: 8,330,806 km (0.107 R)
• M9: 9,015,067 km (0.08 R)
• M10: 9,370,960 km (0.119 R)
• M11: 10,110,722 km (0.078 R)
• M12: 13,724,857 km (0.113 R)
• M13: 16,038,537 km (0.059 R)
• M14: 16,560,634 km (0.064 R)
• M15: 18,275,474 km (0.054 R)
• M16: 23,167,025 km (0.077 R)
• M17: 24,907,297 km (0.081 R)
• M18: 26,629,169 km (0.064 R)
• M19: 29,858,538 km (0.11 R)
• M20: 32,622,658 km (0.096 R)
• M21: 34,928,111 km (0.086 R)
• M22: 58,270,016 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 19,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit