🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.4

Radius: 11.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.58 AU - 0.8 AU

Year: 370 Days

Day: 10 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,684,225 km

• M1: 143,016 km (0.107 R)
• M2: 581,337 km (0.117 R)
• M3: 1,405,322 km (0.119 R)
• M4: 1,953,150 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.7

Radius: 8.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.64 AU - 3.48 AU

Year: 3456 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,684,225 km

• M1: 104,419 km (0.046 R)
• M2: 415,882 km (0.103 R)
• M3: 734,376 km (0.109 R)
• M4: 1,728,753 km (0.112 R)
• M5: 2,046,648 km (0.054 R)
• M6: 3,581,523 km (0.115 R)
• M7: 5,514,776 km (0.112 R)
• M8: 6,371,822 km (0.083 R)
• M9: 6,932,814 km (0.097 R)
• M10: 7,314,887 km (0.082 R)
• M11: 8,612,649 km (0.091 R)
• M12: 9,193,537 km (0.114 R)
• M13: 10,357,259 km (0.032 R)
• M14: 10,701,633 km (0.039 R)
• M15: 11,575,584 km (0.094 R)
• M16: 13,829,276 km (0.114 R)
• M17: 15,254,794 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 9.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.81 AU - 3.59 AU

Year: 3696 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,684,225 km

• M1: 122,221 km (0.083 R)
• M2: 444,455 km (0.111 R)
• M3: 756,516 km (0.115 R)
• M4: 1,163,273 km (0.104 R)
• M5: 1,771,837 km (0.103 R)
• M6: 3,486,079 km (0.111 R)
• M7: 3,991,870 km (0.078 R)
• M8: 4,590,560 km (0.099 R)
• M9: 5,887,275 km (0.112 R)
• M10: 6,750,754 km (0.078 R)
• M11: 7,137,015 km (0.115 R)
• M12: 7,475,406 km (0.074 R)
• M13: 8,658,725 km (0.113 R)
• M14: 9,550,926 km (0.099 R)
• M15: 10,661,391 km (0.106 R)
• M16: 14,025,399 km (0.12 R)
• M17: 14,853,573 km (0.09 R)
• M18: 17,203,007 km (0.115 R)
• M19: 18,494,785 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.4

Radius: 11.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.05 AU - 4.69 AU

Year: 4916 Days

Day: 12 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,684,225 km

• M1: 147,952 km (0.044 R)
• M2: 630,705 km (0.115 R)
• M3: 1,449,304 km (0.116 R)
• M4: 2,770,702 km (0.066 R)
• M5: 5,611,865 km (0.065 R)
• M6: 6,364,791 km (0.052 R)
• M7: 7,865,258 km (0.052 R)
• M8: 8,312,705 km (0.092 R)
• M9: 8,935,630 km (0.035 R)
• M10: 11,066,652 km (0.118 R)
• M11: 15,277,982 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.8

Radius: 10.7

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.25 AU - 4.37 AU

Year: 5777 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,684,225 km

• M1: 133,292 km (0.076 R)
• M2: 549,473 km (0.105 R)
• M3: 979,417 km (0.117 R)
• M4: 1,621,491 km (0.044 R)
• M5: 2,473,002 km (0.111 R)
• M6: 2,822,613 km (0.114 R)
• M7: 3,738,600 km (0.111 R)
• M8: 4,101,226 km (0.111 R)
• M9: 4,841,885 km (0.091 R)
• M10: 7,230,065 km (0.034 R)
• M11: 12,144,206 km (0.104 R)
• M12: 13,385,718 km (0.083 R)
• M13: 14,066,239 km (0.099 R)
• M14: 14,889,027 km (0.113 R)
• M15: 16,760,048 km (0.104 R)
• M16: 18,643,186 km (0.033 R)
• M17: 21,038,996 km (0.067 R)
• M18: 25,476,517 km (0.084 R)
• M19: 28,234,055 km (0.115 R)
• M20: 35,717,090 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.8

Radius: 7.8

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.68 AU - 9.2 AU

Year: 13103 Days

Day: 23.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,684,225 km

• M1: 96,939 km (0.086 R)
• M2: 440,865 km (0.108 R)
• M3: 867,368 km (0.082 R)
• M4: 1,373,757 km (0.103 R)
• M5: 1,629,420 km (0.102 R)
• M6: 2,508,756 km (0.07 R)
• M7: 3,372,834 km (0.117 R)
• M8: 3,844,216 km (0.119 R)
• M9: 4,141,467 km (0.113 R)
• M10: 5,091,564 km (0.12 R)
• M11: 7,280,779 km (0.116 R)
• M12: 8,656,930 km (0.058 R)
• M13: 10,367,880 km (0.082 R)
• M14: 12,420,513 km (0.097 R)
• M15: 18,289,985 km (0.117 R)
• M16: 18,624,337 km (0.036 R)
• M17: 20,897,775 km (0.116 R)
• M18: 22,767,749 km (0.107 R)
• M19: 23,941,793 km (0.094 R)
• M20: 24,341,967 km (0.058 R)
• M21: 31,726,268 km (0.108 R)
• M22: 35,597,711 km (0.05 R)
• M23: 38,392,199 km (0.091 R)
• M24: 39,494,137 km (0.049 R)
• M25: 40,475,499 km (0.105 R)
• M26: 46,397,480 km (0.119 R)
• M27: 47,647,371 km (0.051 R)
• M28: 50,705,600 km (0.045 R)
• M29: 54,063,474 km (0.08 R)
• M30: 56,323,898 km (0.043 R)
• M31: 64,056,462 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237

Radius: 5.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.78 AU - 9.46 AU

Year: 16341 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,684,225 km

• M1: 71,358 km (0.098 R)
• M2: 325,675 km (0.102 R)
• M3: 563,535 km (0.12 R)
• M4: 2,505,914 km (0.099 R)
• M5: 2,706,824 km (0.098 R)
• M6: 3,375,078 km (0.068 R)
• M7: 4,371,998 km (0.104 R)
• M8: 8,564,777 km (0.104 R)
• M9: 12,987,938 km (0.099 R)
• M10: 13,167,156 km (0.065 R)
• M11: 17,106,965 km (0.104 R)
• M12: 18,053,321 km (0.068 R)
• M13: 18,728,756 km (0.112 R)
• M14: 25,302,984 km (0.063 R)
• M15: 34,164,414 km (0.119 R)
• M16: 36,131,027 km (0.112 R)
• M17: 36,962,343 km (0.106 R)
• M18: 39,783,609 km (0.095 R)
• M19: 40,035,532 km (0.111 R)
• M20: 41,569,209 km (0.069 R)
• M21: 44,753,549 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 17,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit