🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 9.3

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.7 AU - 1.1 AU

Year: 551 Days

Day: 7.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,573,949 km

• M1: 123,269 km (0.108 R)
• M2: 435,479 km (0.098 R)
• M3: 770,878 km (0.108 R)
• M4: 1,194,988 km (0.093 R)
• M5: 1,976,188 km (0.095 R)
• M6: 2,831,738 km (0.07 R)
• M7: 3,672,628 km (0.079 R)
• M8: 4,332,654 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 9.9

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.99 AU - 3.21 AU

Year: 3524 Days

Day: 11.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,573,949 km

• M1: 123,119 km (0.116 R)
• M2: 629,209 km (0.052 R)
• M3: 1,153,250 km (0.101 R)
• M4: 1,637,199 km (0.083 R)
• M5: 2,198,640 km (0.037 R)
• M6: 2,646,087 km (0.086 R)
• M7: 3,277,091 km (0.107 R)
• M8: 3,764,331 km (0.074 R)
• M9: 4,192,780 km (0.047 R)
• M10: 4,518,454 km (0.047 R)
• M11: 5,445,512 km (0.111 R)
• M12: 6,269,198 km (0.078 R)
• M13: 8,953,582 km (0.099 R)
• M14: 13,929,507 km (0.038 R)
• M15: 14,412,708 km (0.101 R)
• M16: 15,721,689 km (0.111 R)
• M17: 16,139,965 km (0.081 R)
• M18: 16,458,608 km (0.077 R)
• M19: 17,606,772 km (0.115 R)
• M20: 18,690,908 km (0.091 R)
• M21: 19,338,517 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.9

Radius: 9.8

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.08 AU - 4.5 AU

Year: 4764 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,573,949 km

• M1: 121,922 km (0.043 R)
• M2: 550,670 km (0.087 R)
• M3: 870,660 km (0.084 R)
• M4: 1,509,742 km (0.112 R)
• M5: 2,137,305 km (0.114 R)
• M6: 4,093,447 km (0.077 R)
• M7: 4,636,636 km (0.114 R)
• M8: 5,171,449 km (0.111 R)
• M9: 5,927,666 km (0.06 R)
• M10: 6,332,627 km (0.082 R)
• M11: 6,822,710 km (0.057 R)
• M12: 7,695,763 km (0.094 R)
• M13: 8,523,937 km (0.099 R)
• M14: 9,081,339 km (0.11 R)
• M15: 9,962,620 km (0.055 R)
• M16: 10,581,207 km (0.05 R)
• M17: 11,894,975 km (0.079 R)
• M18: 12,339,580 km (0.076 R)
• M19: 14,674,354 km (0.094 R)
• M20: 17,039,646 km (0.093 R)
• M21: 19,443,684 km (0.11 R)
• M22: 20,269,763 km (0.034 R)
• M23: 20,762,240 km (0.085 R)
• M24: 22,964,171 km (0.077 R)
• M25: 24,199,999 km (0.046 R)
• M26: 25,074,997 km (0.051 R)
• M27: 26,385,175 km (0.083 R)
• M28: 26,803,750 km (0.074 R)
• M29: 27,226,812 km (0.108 R)
• M30: 27,654,363 km (0.106 R)
• M31: 29,052,654 km (0.054 R)
• M32: 29,588,963 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.2

Radius: 5

Gravity: 33.97 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.62 AU - 7.24 AU

Year: 10528 Days

Day: 18.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 95.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 37,573,949 km

• M1: 64,327 km (0.064 R)
• M2: 264,190 km (0.067 R)
• M3: 463,005 km (0.112 R)
• M4: 735,423 km (0.096 R)
• M5: 1,255,874 km (0.119 R)
• M6: 1,617,303 km (0.077 R)
• M7: 2,363,796 km (0.116 R)
• M8: 2,587,146 km (0.084 R)
• M9: 3,052,545 km (0.085 R)
• M10: 4,627,062 km (0.061 R)
• M11: 6,059,611 km (0.053 R)
• M12: 6,478,785 km (0.051 R)
• M13: 6,675,506 km (0.087 R)
• M14: 6,957,797 km (0.093 R)
• M15: 7,941,553 km (0.115 R)
• M16: 8,121,519 km (0.087 R)
• M17: 10,609,182 km (0.116 R)
• M18: 11,674,319 km (0.115 R)
• M19: 17,623,377 km (0.095 R)
• M20: 19,928,531 km (0.097 R)
• M21: 20,177,910 km (0.092 R)
• M22: 22,606,632 km (0.049 R)
• M23: 24,837,884 km (0.114 R)
• M24: 27,109,827 km (0.098 R)
• M25: 36,210,464 km (0.041 R)
• M26: 36,955,760 km (0.08 R)
• M27: 37,965,247 km (0.078 R)
• M28: 38,605,526 km (0.106 R)
• M29: 43,429,309 km (0.101 R)
• M30: 44,270,498 km (0.084 R)
• M31: 49,699,105 km (0.063 R)
• M32: 52,493,444 km (0.083 R)
• M33: 52,810,143 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.5

Radius: 5.6

Gravity: 27.79 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.44 AU - 7.46 AU

Year: 10577 Days

Day: 18.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,573,949 km

• M1: 69,713 km (0.104 R)
• M2: 251,324 km (0.112 R)
• M3: 475,123 km (0.08 R)
• M4: 832,811 km (0.112 R)
• M5: 1,038,060 km (0.115 R)
• M6: 1,239,119 km (0.03 R)
• M7: 1,508,994 km (0.082 R)
• M8: 1,689,409 km (0.078 R)
• M9: 2,581,910 km (0.119 R)
• M10: 5,987,655 km (0.078 R)
• M11: 6,561,213 km (0.112 R)
• M12: 7,424,692 km (0.064 R)
• M13: 8,269,172 km (0.057 R)
• M14: 10,041,907 km (0.064 R)
• M15: 11,072,636 km (0.12 R)
• M16: 11,298,379 km (0.081 R)
• M17: 15,480,388 km (0.118 R)
• M18: 17,001,050 km (0.08 R)
• M19: 19,018,377 km (0.063 R)
• M20: 24,271,806 km (0.116 R)
• M21: 29,868,262 km (0.106 R)
• M22: 30,970,499 km (0.116 R)
• M23: 34,920,631 km (0.114 R)
• M24: 36,515,793 km (0.116 R)
• M25: 39,193,894 km (0.039 R)
• M26: 39,718,534 km (0.071 R)
• M27: 41,591,350 km (0.072 R)
• M28: 43,803,005 km (0.099 R)
• M29: 50,286,726 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.2

Radius: 4.8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.52 AU - 9.78 AU

Year: 15023 Days

Day: 15.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,573,949 km

• M1: 70,012 km (0.086 R)
• M2: 325,226 km (0.075 R)
• M3: 965,205 km (0.111 R)
• M4: 1,166,564 km (0.054 R)
• M5: 1,560,306 km (0.084 R)
• M6: 2,702,336 km (0.098 R)
• M7: 2,959,943 km (0.105 R)
• M8: 4,004,436 km (0.118 R)
• M9: 4,156,876 km (0.11 R)
• M10: 4,392,642 km (0.113 R)
• M11: 6,132,466 km (0.103 R)
• M12: 13,714,684 km (0.095 R)
• M13: 18,625,982 km (0.06 R)
• M14: 19,123,245 km (0.088 R)
• M15: 28,143,399 km (0.104 R)
• M16: 28,703,792 km (0.037 R)
• M17: 29,081,527 km (0.091 R)
• M18: 35,475,938 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 20,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit