🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 8.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.17 AU - 1.83 AU

Year: 1268 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,762,590 km

• M1: 109,655 km (0.095 R)
• M2: 440,715 km (0.047 R)
• M3: 853,605 km (0.102 R)
• M4: 1,129,464 km (0.11 R)
• M5: 1,507,647 km (0.099 R)
• M6: 1,860,250 km (0.11 R)
• M7: 2,535,235 km (0.106 R)
• M8: 2,837,124 km (0.109 R)
• M9: 3,483,686 km (0.094 R)
• M10: 4,932,840 km (0.084 R)
• M11: 6,629,430 km (0.108 R)
• M12: 6,937,900 km (0.116 R)
• M13: 7,661,057 km (0.057 R)
• M14: 9,110,959 km (0.081 R)
• M15: 9,492,882 km (0.063 R)
• M16: 10,257,477 km (0.106 R)
• M17: 11,161,946 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.46 AU - 1.74 AU

Year: 1397 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,762,590 km

• M1: 112,049 km (0.065 R)
• M2: 469,737 km (0.07 R)
• M3: 820,844 km (0.111 R)
• M4: 1,741,918 km (0.06 R)
• M5: 2,381,748 km (0.083 R)
• M6: 2,750,357 km (0.099 R)
• M7: 3,210,520 km (0.04 R)
• M8: 5,050,723 km (0.116 R)
• M9: 5,331,668 km (0.087 R)
• M10: 5,924,973 km (0.056 R)
• M11: 7,057,130 km (0.083 R)
• M12: 7,504,727 km (0.116 R)
• M13: 9,044,089 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 11.4

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.37 AU - 2.17 AU

Year: 1625 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,762,590 km

• M1: 141,819 km (0.093 R)
• M2: 527,781 km (0.07 R)
• M3: 1,035,816 km (0.111 R)
• M4: 1,559,857 km (0.06 R)
• M5: 1,951,205 km (0.109 R)
• M6: 2,513,843 km (0.106 R)
• M7: 3,166,837 km (0.099 R)
• M8: 5,111,161 km (0.079 R)
• M9: 5,469,149 km (0.113 R)
• M10: 6,037,770 km (0.11 R)
• M11: 6,593,377 km (0.046 R)
• M12: 7,604,658 km (0.054 R)
• M13: 8,013,210 km (0.074 R)
• M14: 9,493,331 km (0.084 R)
• M15: 10,002,114 km (0.117 R)
• M16: 10,963,729 km (0.055 R)
• M17: 11,486,125 km (0.109 R)
• M18: 12,988,087 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.1

Radius: 14.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.68 AU - 2.18 AU

Year: 1851 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,762,590 km

• M1: 187,895 km (0.077 R)
• M2: 695,331 km (0.059 R)
• M3: 1,461,422 km (0.107 R)
• M4: 2,084,048 km (0.088 R)
• M5: 2,568,745 km (0.092 R)
• M6: 3,114,478 km (0.116 R)
• M7: 3,570,153 km (0.107 R)
• M8: 4,501,250 km (0.106 R)
• M9: 6,219,232 km (0.102 R)
• M10: 7,001,480 km (0.098 R)
• M11: 9,041,396 km (0.112 R)
• M12: 10,910,322 km (0.071 R)
• M13: 13,676,985 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 8.3

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.89 AU - 3.01 AU

Year: 2647 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 152.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,762,590 km

• M1: 108,458 km (0.117 R)
• M2: 592,557 km (0.112 R)
• M3: 889,808 km (0.106 R)
• M4: 1,373,009 km (0.064 R)
• M5: 1,813,425 km (0.071 R)
• M6: 2,193,105 km (0.027 R)
• M7: 3,324,813 km (0.078 R)
• M8: 3,679,659 km (0.107 R)
• M9: 4,185,000 km (0.089 R)
• M10: 4,465,796 km (0.04 R)
• M11: 8,580,784 km (0.087 R)
• M12: 11,139,057 km (0.099 R)
• M13: 11,807,760 km (0.097 R)
• M14: 13,502,853 km (0.076 R)
• M15: 14,408,669 km (0.056 R)
• M16: 14,702,928 km (0.112 R)
• M17: 19,733,306 km (0.036 R)
• M18: 20,096,380 km (0.078 R)
• M19: 21,023,737 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.9

Radius: 12.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.35 AU - 2.71 AU

Year: 2778 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,762,590 km

• M1: 154,235 km (0.1 R)
• M2: 874,699 km (0.118 R)
• M3: 1,483,712 km (0.118 R)
• M4: 1,869,674 km (0.089 R)
• M5: 2,310,390 km (0.092 R)
• M6: 3,095,180 km (0.083 R)
• M7: 5,004,348 km (0.078 R)
• M8: 6,264,112 km (0.116 R)
• M9: 7,385,497 km (0.076 R)
• M10: 8,468,436 km (0.101 R)
• M11: 9,727,602 km (0.078 R)
• M12: 10,711,956 km (0.114 R)
• M13: 11,554,640 km (0.092 R)
• M14: 12,571,158 km (0.097 R)
• M15: 14,830,834 km (0.085 R)
• M16: 17,349,015 km (0.103 R)
• M17: 18,454,543 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.5

Radius: 4.8

Gravity: 32.7 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.69 AU - 10.71 AU

Year: 20853 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 80,762,590 km

• M1: 60,737 km (0.106 R)
• M2: 217,366 km (0.113 R)
• M3: 477,516 km (0.109 R)
• M4: 785,987 km (0.025 R)
• M5: 1,080,545 km (0.079 R)
• M6: 1,445,714 km (0.031 R)
• M7: 2,195,349 km (0.083 R)
• M8: 2,881,554 km (0.098 R)
• M9: 3,670,234 km (0.065 R)
• M10: 4,593,702 km (0.093 R)
• M11: 5,744,857 km (0.087 R)
• M12: 6,081,602 km (0.102 R)
• M13: 6,611,328 km (0.066 R)
• M14: 7,219,444 km (0.093 R)
• M15: 7,966,386 km (0.108 R)
• M16: 10,147,523 km (0.047 R)
• M17: 12,767,430 km (0.077 R)
• M18: 13,123,772 km (0.069 R)
• M19: 14,770,546 km (0.057 R)
• M20: 17,317,749 km (0.071 R)
• M21: 19,668,081 km (0.12 R)
• M22: 20,047,611 km (0.112 R)
• M23: 24,769,518 km (0.063 R)
• M24: 28,098,220 km (0.068 R)
• M25: 33,699,314 km (0.084 R)
• M26: 34,653,898 km (0.063 R)
• M27: 35,068,434 km (0.092 R)
• M28: 37,335,589 km (0.05 R)
• M29: 37,625,660 km (0.119 R)
• M30: 38,652,799 km (0.062 R)
• M31: 39,098,600 km (0.103 R)
• M32: 40,000,675 km (0.11 R)
• M33: 40,304,359 km (0.102 R)
• M34: 42,002,445 km (0.104 R)
• M35: 44,556,679 km (0.058 R)
• M36: 51,212,437 km (0.068 R)
• M37: 55,056,504 km (0.025 R)
• M38: 56,569,986 km (0.116 R)
• M39: 65,814,835 km (0.062 R)
• M40: 73,943,086 km (0.049 R)
• M41: 75,552,460 km (0.101 R)
• M42: 75,784,337 km (0.068 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 14,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit