🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 10.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.48 AU - 0.64 AU

Year: 289 Days

Day: 8.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,710,594 km

• M1: 131,796 km (0.071 R)
• M2: 473,328 km (0.041 R)
• M3: 874,699 km (0.097 R)
• M4: 1,513,781 km (0.119 R)
• M5: 2,180,090 km (0.116 R)
• M6: 2,684,384 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.4

Radius: 11

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.52 AU - 0.62 AU

Year: 297 Days

Day: 5.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,710,594 km

• M1: 157,676 km (0.118 R)
• M2: 541,544 km (0.11 R)
• M3: 914,492 km (0.1 R)
• M4: 1,460,075 km (0.113 R)
• M5: 1,849,329 km (0.077 R)
• M6: 2,603,901 km (0.118 R)
• M7: 3,324,065 km (0.047 R)
• M8: 3,693,123 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 9.6

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.34 AU - 1.68 AU

Year: 1281 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,710,594 km

• M1: 119,379 km (0.041 R)
• M2: 524,490 km (0.111 R)
• M3: 984,055 km (0.101 R)
• M4: 1,538,764 km (0.091 R)
• M5: 1,981,125 km (0.096 R)
• M6: 2,290,792 km (0.09 R)
• M7: 2,684,683 km (0.052 R)
• M8: 3,037,734 km (0.108 R)
• M9: 3,641,960 km (0.077 R)
• M10: 4,715,175 km (0.102 R)
• M11: 5,461,818 km (0.069 R)
• M12: 6,308,542 km (0.086 R)
• M13: 6,714,700 km (0.074 R)
• M14: 7,036,934 km (0.11 R)
• M15: 7,369,640 km (0.101 R)
• M16: 8,066,467 km (0.098 R)
• M17: 8,488,034 km (0.09 R)
• M18: 10,323,749 km (0.085 R)
• M19: 10,686,973 km (0.042 R)
• M20: 11,721,143 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 10.2

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.33 AU - 5.15 AU

Year: 6026 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,710,594 km

• M1: 126,859 km (0.084 R)
• M2: 464,053 km (0.032 R)
• M3: 837,150 km (0.106 R)
• M4: 2,309,791 km (0.042 R)
• M5: 2,698,297 km (0.112 R)
• M6: 3,521,384 km (0.111 R)
• M7: 4,710,239 km (0.09 R)
• M8: 5,809,334 km (0.109 R)
• M9: 7,106,198 km (0.082 R)
• M10: 7,675,717 km (0.087 R)
• M11: 8,665,756 km (0.07 R)
• M12: 9,357,796 km (0.046 R)
• M13: 10,218,582 km (0.084 R)
• M14: 10,991,105 km (0.097 R)
• M15: 11,998,497 km (0.099 R)
• M16: 12,755,014 km (0.059 R)
• M17: 13,223,853 km (0.105 R)
• M18: 14,530,890 km (0.114 R)
• M19: 14,870,627 km (0.114 R)
• M20: 15,507,465 km (0.056 R)
• M21: 16,283,279 km (0.119 R)
• M22: 18,237,776 km (0.057 R)
• M23: 22,381,038 km (0.109 R)
• M24: 24,232,461 km (0.078 R)
• M25: 26,267,292 km (0.118 R)
• M26: 27,801,268 km (0.088 R)
• M27: 28,237,795 km (0.067 R)
• M28: 28,856,532 km (0.097 R)
• M29: 29,756,213 km (0.119 R)
• M30: 30,304,938 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.1

Radius: 3.2

Gravity: 48.84 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.24 AU - 7.24 AU

Year: 13447 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 56,710,594 km

• M1: 60,288 km (0.081 R)
• M2: 203,304 km (0.035 R)
• M3: 383,419 km (0.111 R)
• M4: 784,491 km (0.06 R)
• M5: 963,261 km (0.077 R)
• M6: 1,515,875 km (0.056 R)
• M7: 1,893,909 km (0.077 R)
• M8: 2,104,842 km (0.068 R)
• M9: 2,235,142 km (0.099 R)
• M10: 3,504,330 km (0.056 R)
• M11: 3,661,109 km (0.103 R)
• M12: 3,932,479 km (0.108 R)
• M13: 5,529,736 km (0.118 R)
• M14: 5,778,218 km (0.092 R)
• M15: 5,996,930 km (0.074 R)
• M16: 6,887,336 km (0.095 R)
• M17: 7,773,853 km (0.047 R)
• M18: 9,873,011 km (0.043 R)
• M19: 10,185,670 km (0.065 R)
• M20: 10,558,767 km (0.059 R)
• M21: 12,622,769 km (0.08 R)
• M22: 14,270,290 km (0.081 R)
• M23: 17,375,493 km (0.099 R)
• M24: 17,754,425 km (0.087 R)
• M25: 18,294,324 km (0.058 R)
• M26: 18,924,729 km (0.066 R)
• M27: 23,747,615 km (0.112 R)
• M28: 25,748,786 km (0.105 R)
• M29: 29,650,298 km (0.055 R)
• M30: 31,070,580 km (0.11 R)
• M31: 31,404,632 km (0.088 R)
• M32: 31,966,671 km (0.063 R)
• M33: 32,535,443 km (0.085 R)
• M34: 34,758,317 km (0.064 R)
• M35: 35,967,816 km (0.083 R)
• M36: 39,895,508 km (0.1 R)
• M37: 45,087,901 km (0.108 R)
• M38: 45,230,318 km (0.092 R)
• M39: 46,380,426 km (0.077 R)
• M40: 51,330,769 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.3

Radius: 6.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.61 AU - 9.09 AU

Year: 18173 Days

Day: 22.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,710,594 km

• M1: 79,736 km (0.032 R)
• M2: 281,992 km (0.054 R)
• M3: 500,255 km (0.104 R)
• M4: 766,988 km (0.102 R)
• M5: 1,243,308 km (0.07 R)
• M6: 1,512,883 km (0.035 R)
• M7: 1,744,012 km (0.104 R)
• M8: 2,278,525 km (0.096 R)
• M9: 2,705,627 km (0.118 R)
• M10: 4,226,289 km (0.097 R)
• M11: 4,658,777 km (0.071 R)
• M12: 4,963,358 km (0.104 R)
• M13: 5,313,567 km (0.088 R)
• M14: 6,501,224 km (0.119 R)
• M15: 7,117,268 km (0.112 R)
• M16: 7,645,798 km (0.116 R)
• M17: 8,070,057 km (0.058 R)
• M18: 8,465,145 km (0.105 R)
• M19: 13,824,938 km (0.118 R)
• M20: 16,879,277 km (0.077 R)
• M21: 17,092,903 km (0.078 R)
• M22: 22,090,220 km (0.091 R)
• M23: 22,603,341 km (0.119 R)
• M24: 30,330,669 km (0.096 R)
• M25: 37,072,447 km (0.058 R)
• M26: 37,675,625 km (0.119 R)
• M27: 44,341,108 km (0.092 R)
• M28: 46,400,622 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.1

Radius: 4.1

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.75 AU - 12.75 AU

Year: 22652 Days

Day: 19.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,710,594 km

• M1: 52,210 km (0.117 R)
• M2: 190,438 km (0.079 R)
• M3: 3,334,985 km (0.088 R)
• M4: 5,858,851 km (0.108 R)
• M5: 6,278,024 km (0.102 R)
• M6: 7,522,828 km (0.078 R)
• M7: 17,945,312 km (0.077 R)
• M8: 24,242,185 km (0.097 R)
• M9: 27,669,323 km (0.106 R)
• M10: 29,718,365 km (0.093 R)
• M11: 33,394,134 km (0.108 R)
• M12: 40,535,189 km (0.082 R)
• M13: 46,068,066 km (0.099 R)
• M14: 46,662,418 km (0.048 R)
• M15: 47,714,839 km (0.083 R)
• M16: 55,194,583 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 15,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit