🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.8

Radius: 11.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.95 AU - 2.01 AU

Year: 1858 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,541,064 km

• M1: 145,559 km (0.092 R)
• M2: 607,667 km (0.092 R)
• M3: 1,130,810 km (0.089 R)
• M4: 1,689,708 km (0.072 R)
• M5: 2,297,524 km (0.039 R)
• M6: 3,000,634 km (0.118 R)
• M7: 3,505,228 km (0.097 R)
• M8: 3,934,424 km (0.073 R)
• M9: 4,834,854 km (0.079 R)
• M10: 5,555,018 km (0.105 R)
• M11: 7,041,721 km (0.046 R)
• M12: 7,437,408 km (0.084 R)
• M13: 10,167,868 km (0.099 R)
• M14: 11,121,704 km (0.09 R)
• M15: 11,504,076 km (0.119 R)
• M16: 12,174,424 km (0.069 R)
• M17: 13,038,202 km (0.112 R)
• M18: 14,208,357 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.1

Radius: 12.4

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.45 AU - 2.57 AU

Year: 2652 Days

Day: 13.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,541,064 km

• M1: 154,385 km (0.084 R)
• M2: 641,027 km (0.085 R)
• M3: 1,078,750 km (0.036 R)
• M4: 1,649,317 km (0.107 R)
• M5: 2,060,262 km (0.114 R)
• M6: 3,175,364 km (0.119 R)
• M7: 3,710,476 km (0.118 R)
• M8: 4,427,499 km (0.041 R)
• M9: 5,188,952 km (0.084 R)
• M10: 5,909,415 km (0.118 R)
• M11: 6,777,980 km (0.09 R)
• M12: 7,228,719 km (0.103 R)
• M13: 7,973,417 km (0.119 R)
• M14: 9,134,895 km (0.101 R)
• M15: 10,005,554 km (0.042 R)
• M16: 10,554,130 km (0.094 R)
• M17: 11,277,735 km (0.111 R)
• M18: 11,831,845 km (0.056 R)
• M19: 12,994,520 km (0.074 R)
• M20: 13,515,719 km (0.074 R)
• M21: 14,277,770 km (0.036 R)
• M22: 16,685,847 km (0.063 R)
• M23: 17,198,070 km (0.049 R)
• M24: 17,615,448 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.1

Radius: 9.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.8 AU - 4.9 AU

Year: 7123 Days

Day: 6.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,541,064 km

• M1: 118,182 km (0.117 R)
• M2: 977,622 km (0.093 R)
• M3: 1,415,645 km (0.09 R)
• M4: 2,432,910 km (0.08 R)
• M5: 3,435,216 km (0.056 R)
• M6: 5,825,640 km (0.096 R)
• M7: 6,199,186 km (0.111 R)
• M8: 6,588,589 km (0.083 R)
• M9: 9,832,320 km (0.071 R)
• M10: 13,683,268 km (0.107 R)
• M11: 14,740,477 km (0.104 R)
• M12: 15,494,749 km (0.067 R)
• M13: 15,851,390 km (0.043 R)
• M14: 18,972,750 km (0.047 R)
• M15: 26,316,809 km (0.075 R)
• M16: 29,102,919 km (0.055 R)
• M17: 30,196,629 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 14.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.45 AU - 5.73 AU

Year: 8813 Days

Day: 14.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,541,064 km

• M1: 181,612 km (0.094 R)
• M2: 662,868 km (0.101 R)
• M3: 1,190,799 km (0.079 R)
• M4: 2,024,209 km (0.071 R)
• M5: 2,481,679 km (0.087 R)
• M6: 4,539,996 km (0.086 R)
• M7: 7,761,287 km (0.069 R)
• M8: 11,837,829 km (0.119 R)
• M9: 14,181,878 km (0.028 R)
• M10: 14,735,241 km (0.052 R)
• M11: 17,371,454 km (0.087 R)
• M12: 18,148,466 km (0.112 R)
• M13: 22,057,458 km (0.099 R)
• M14: 26,867,329 km (0.089 R)
• M15: 37,795,004 km (0.094 R)
• M16: 39,461,226 km (0.068 R)
• M17: 40,435,108 km (0.115 R)
• M18: 42,304,183 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.6

Radius: 7.3

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.47 AU - 10.71 AU

Year: 16789 Days

Day: 18 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,541,064 km

• M1: 96,341 km (0.112 R)
• M2: 494,870 km (0.103 R)
• M3: 1,076,955 km (0.103 R)
• M4: 2,531,645 km (0.093 R)
• M5: 3,242,683 km (0.119 R)
• M6: 4,079,833 km (0.087 R)
• M7: 4,367,061 km (0.105 R)
• M8: 5,810,082 km (0.093 R)
• M9: 6,859,062 km (0.105 R)
• M10: 7,128,638 km (0.039 R)
• M11: 8,278,148 km (0.102 R)
• M12: 9,996,728 km (0.099 R)
• M13: 10,818,469 km (0.084 R)
• M14: 12,396,876 km (0.102 R)
• M15: 14,122,787 km (0.035 R)
• M16: 15,156,359 km (0.093 R)
• M17: 20,715,416 km (0.104 R)
• M18: 24,776,699 km (0.097 R)
• M19: 26,167,660 km (0.098 R)
• M20: 27,384,638 km (0.104 R)
• M21: 30,773,329 km (0.095 R)
• M22: 43,508,895 km (0.027 R)
• M23: 46,482,452 km (0.076 R)
• M24: 48,758,284 km (0.118 R)
• M25: 51,792,129 km (0.093 R)
• M26: 52,136,803 km (0.094 R)
• M27: 53,706,832 km (0.045 R)
• M28: 54,592,601 km (0.039 R)
• M29: 57,676,861 km (0.089 R)
• M30: 58,792,562 km (0.066 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: 412 - 11,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit