🌌 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: 94.4

Radius: 14.2

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.75 AU - 1.13 AU

Year: 608 Days

Day: 13.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,051,613 km

• M1: 201,209 km (0.107 R)
• M2: 780,602 km (0.081 R)
• M3: 1,329,476 km (0.114 R)
• M4: 2,572,186 km (0.118 R)
• M5: 3,093,983 km (0.105 R)
• M6: 3,827,162 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 14.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.58 AU - 2.24 AU

Year: 1760 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,051,613 km

• M1: 185,501 km (0.084 R)
• M2: 693,237 km (0.098 R)
• M3: 1,162,076 km (0.033 R)
• M4: 1,770,341 km (0.118 R)
• M5: 2,283,761 km (0.118 R)
• M6: 2,779,379 km (0.045 R)
• M7: 3,391,833 km (0.066 R)
• M8: 3,975,863 km (0.037 R)
• M9: 5,007,938 km (0.084 R)
• M10: 6,234,940 km (0.115 R)
• M11: 6,725,771 km (0.111 R)
• M12: 7,267,764 km (0.099 R)
• M13: 8,245,535 km (0.076 R)
• M14: 9,042,443 km (0.063 R)
• M15: 10,110,422 km (0.096 R)
• M16: 10,658,699 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216

Radius: 12.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.25 AU - 2.79 AU

Year: 2668 Days

Day: 5.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 64.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,051,613 km

• M1: 156,479 km (0.1 R)
• M2: 851,062 km (0.088 R)
• M3: 1,763,310 km (0.082 R)
• M4: 3,353,236 km (0.082 R)
• M5: 3,755,655 km (0.063 R)
• M6: 4,392,343 km (0.117 R)
• M7: 6,767,808 km (0.11 R)
• M8: 13,439,873 km (0.093 R)

Asteroid Belt

Center: 3.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 9.3

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.28 AU - 4.32 AU

Year: 5946 Days

Day: 9.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,051,613 km

• M1: 136,433 km (0.077 R)
• M2: 713,582 km (0.085 R)
• M3: 1,167,013 km (0.09 R)
• M4: 1,578,108 km (0.106 R)
• M5: 2,042,909 km (0.052 R)
• M6: 2,848,942 km (0.076 R)
• M7: 3,561,925 km (0.104 R)
• M8: 4,700,215 km (0.086 R)
• M9: 5,420,230 km (0.054 R)
• M10: 6,760,178 km (0.095 R)
• M11: 9,320,845 km (0.118 R)
• M12: 13,689,851 km (0.069 R)
• M13: 14,304,399 km (0.104 R)
• M14: 14,724,170 km (0.104 R)
• M15: 15,643,749 km (0.114 R)
• M16: 17,776,865 km (0.109 R)
• M17: 20,162,203 km (0.12 R)
• M18: 20,557,291 km (0.085 R)
• M19: 20,890,595 km (0.113 R)
• M20: 24,648,792 km (0.108 R)
• M21: 25,789,027 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 14.2

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.23 AU - 6.19 AU

Year: 9099 Days

Day: 10.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,051,613 km

• M1: 180,864 km (0.108 R)
• M2: 706,850 km (0.098 R)
• M3: 1,278,164 km (0.118 R)
• M4: 1,720,525 km (0.096 R)
• M5: 2,283,911 km (0.04 R)
• M6: 2,763,222 km (0.085 R)
• M7: 3,722,294 km (0.063 R)
• M8: 4,242,745 km (0.082 R)
• M9: 6,072,477 km (0.062 R)
• M10: 7,691,275 km (0.097 R)
• M11: 8,461,405 km (0.052 R)
• M12: 9,668,959 km (0.059 R)
• M13: 10,246,407 km (0.103 R)
• M14: 11,866,103 km (0.064 R)
• M15: 13,215,625 km (0.094 R)
• M16: 14,955,748 km (0.069 R)
• M17: 17,098,887 km (0.068 R)
• M18: 19,579,818 km (0.095 R)
• M19: 20,146,345 km (0.038 R)
• M20: 20,650,939 km (0.064 R)
• M21: 21,685,558 km (0.107 R)
• M22: 22,445,515 km (0.035 R)
• M23: 25,496,563 km (0.063 R)
• M24: 26,860,298 km (0.114 R)
• M25: 28,723,390 km (0.1 R)
• M26: 30,199,621 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.9

Radius: 6

Gravity: 18.61 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.58 AU - 8.64 AU

Year: 13999 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,051,613 km

• M1: 75,547 km (0.115 R)
• M2: 817,104 km (0.06 R)
• M3: 1,422,377 km (0.091 R)
• M4: 2,173,059 km (0.084 R)
• M5: 3,038,183 km (0.088 R)
• M6: 4,263,689 km (0.104 R)
• M7: 5,244,453 km (0.12 R)
• M8: 5,750,243 km (0.094 R)
• M9: 5,938,587 km (0.115 R)
• M10: 7,374,876 km (0.086 R)
• M11: 8,977,967 km (0.038 R)
• M12: 9,648,015 km (0.088 R)
• M13: 10,350,826 km (0.08 R)
• M14: 10,857,065 km (0.109 R)
• M15: 11,557,483 km (0.049 R)
• M16: 16,031,357 km (0.118 R)
• M17: 18,690,160 km (0.069 R)
• M18: 24,367,399 km (0.117 R)
• M19: 26,281,803 km (0.111 R)
• M20: 31,443,528 km (0.079 R)
• M21: 32,742,336 km (0.079 R)
• M22: 39,503,562 km (0.09 R)
• M23: 42,279,350 km (0.092 R)
• M24: 50,577,544 km (0.035 R)
• M25: 53,845,360 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.3

Radius: 4.5

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.57 AU - 10.69 AU

Year: 23112 Days

Day: 23.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,051,613 km

• M1: 58,642 km (0.117 R)
• M2: 296,952 km (0.096 R)
• M3: 3,836,437 km (0.112 R)
• M4: 4,502,148 km (0.072 R)
• M5: 6,059,163 km (0.08 R)
• M6: 10,595,120 km (0.115 R)
• M7: 12,151,835 km (0.111 R)
• M8: 14,874,666 km (0.057 R)
• M9: 19,278,528 km (0.092 R)
• M10: 20,271,110 km (0.12 R)
• M11: 24,270,908 km (0.1 R)
• M12: 34,174,886 km (0.114 R)
• M13: 35,759,576 km (0.119 R)
• M14: 38,367,665 km (0.101 R)
• M15: 48,081,952 km (0.089 R)
• M16: 48,738,388 km (0.065 R)
• M17: 51,594,810 km (0.089 R)
• M18: 56,904,038 km (0.092 R)
• M19: 68,799,163 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 10,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit