🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.52 AU - 0.52 AU

Year: 246 Days

Day: 36.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 90.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274

Radius: 14.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.26 AU - 1.42 AU

Year: 1018 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,260,910 km

• M1: 182,809 km (0.11 R)
• M2: 863,030 km (0.088 R)
• M3: 1,372,710 km (0.069 R)
• M4: 2,640,851 km (0.086 R)
• M5: 3,340,520 km (0.098 R)
• M6: 4,573,656 km (0.117 R)
• M7: 5,269,136 km (0.063 R)
• M8: 5,977,482 km (0.1 R)
• M9: 6,666,680 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 8.4

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.47 AU - 2.01 AU

Year: 1506 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,260,910 km

• M1: 104,419 km (0.119 R)
• M2: 471,383 km (0.119 R)
• M3: 929,751 km (0.115 R)
• M4: 1,396,795 km (0.115 R)
• M5: 1,684,921 km (0.082 R)
• M6: 2,079,261 km (0.106 R)
• M7: 2,560,068 km (0.039 R)
• M8: 3,386,896 km (0.077 R)
• M9: 3,913,929 km (0.107 R)
• M10: 4,437,522 km (0.025 R)
• M11: 4,966,350 km (0.106 R)
• M12: 5,646,871 km (0.104 R)
• M13: 6,387,979 km (0.098 R)
• M14: 7,403,748 km (0.088 R)
• M15: 7,673,772 km (0.107 R)
• M16: 9,881,239 km (0.064 R)
• M17: 12,142,859 km (0.084 R)
• M18: 12,443,102 km (0.1 R)
• M19: 12,786,878 km (0.061 R)
• M20: 13,176,281 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 12.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.08 AU - 2.34 AU

Year: 2155 Days

Day: 9 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,260,910 km

• M1: 153,039 km (0.093 R)
• M2: 779,106 km (0.112 R)
• M3: 1,317,658 km (0.073 R)
• M4: 1,775,428 km (0.038 R)
• M5: 2,624,545 km (0.112 R)
• M6: 3,142,303 km (0.056 R)
• M7: 3,727,829 km (0.05 R)
• M8: 4,251,571 km (0.057 R)
• M9: 4,824,083 km (0.091 R)
• M10: 5,560,254 km (0.086 R)
• M11: 6,571,834 km (0.093 R)
• M12: 8,373,890 km (0.076 R)
• M13: 8,863,973 km (0.097 R)
• M14: 9,569,028 km (0.111 R)
• M15: 10,590,482 km (0.104 R)
• M16: 13,795,317 km (0.112 R)
• M17: 14,698,739 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266

Radius: 10.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.24 AU - 3.78 AU

Year: 4314 Days

Day: 7.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 111.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,260,910 km

• M1: 135,536 km (0.049 R)
• M2: 828,922 km (0.079 R)
• M3: 1,385,725 km (0.12 R)
• M4: 2,003,415 km (0.082 R)
• M5: 2,674,212 km (0.109 R)
• M6: 4,291,514 km (0.074 R)
• M7: 5,333,762 km (0.107 R)
• M8: 5,733,488 km (0.087 R)
• M9: 6,792,491 km (0.026 R)
• M10: 7,323,265 km (0.1 R)
• M11: 7,692,323 km (0.079 R)
• M12: 9,618,395 km (0.075 R)
• M13: 14,115,008 km (0.098 R)
• M14: 15,829,848 km (0.085 R)
• M15: 17,083,478 km (0.103 R)
• M16: 18,121,987 km (0.076 R)
• M17: 18,971,104 km (0.071 R)
• M18: 19,965,332 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 8.7

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.67 AU - 4.05 AU

Year: 4975 Days

Day: 13.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,260,910 km

• M1: 108,309 km (0.09 R)
• M2: 639,680 km (0.112 R)
• M3: 940,671 km (0.055 R)
• M4: 1,347,877 km (0.119 R)
• M5: 1,758,224 km (0.035 R)
• M6: 2,053,979 km (0.091 R)
• M7: 2,814,834 km (0.117 R)
• M8: 3,569,256 km (0.114 R)
• M9: 4,545,830 km (0.087 R)
• M10: 4,957,823 km (0.115 R)
• M11: 5,608,873 km (0.088 R)
• M12: 6,083,248 km (0.118 R)
• M13: 7,208,523 km (0.111 R)
• M14: 8,611,153 km (0.054 R)
• M15: 10,640,897 km (0.084 R)
• M16: 11,412,373 km (0.056 R)
• M17: 13,503,751 km (0.093 R)
• M18: 14,510,545 km (0.107 R)
• M19: 18,733,842 km (0.1 R)
• M20: 20,241,639 km (0.037 R)
• M21: 23,142,641 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.8

Radius: 11.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.51 AU - 4.67 AU

Year: 6451 Days

Day: 11.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,260,910 km

• M1: 141,819 km (0.088 R)
• M2: 566,078 km (0.12 R)
• M3: 1,038,957 km (0.065 R)
• M4: 1,897,350 km (0.067 R)
• M5: 2,932,417 km (0.112 R)
• M6: 3,941,605 km (0.12 R)
• M7: 4,400,571 km (0.093 R)
• M8: 5,322,543 km (0.103 R)
• M9: 6,194,848 km (0.102 R)
• M10: 6,971,859 km (0.115 R)
• M11: 7,546,913 km (0.07 R)
• M12: 9,579,200 km (0.091 R)
• M13: 10,250,297 km (0.048 R)
• M14: 10,701,035 km (0.113 R)
• M15: 11,336,975 km (0.115 R)
• M16: 12,452,676 km (0.074 R)
• M17: 12,966,246 km (0.118 R)
• M18: 13,985,905 km (0.051 R)
• M19: 14,694,849 km (0.051 R)
• M20: 15,803,070 km (0.097 R)
• M21: 16,239,597 km (0.116 R)
• M22: 16,966,044 km (0.076 R)
• M23: 17,714,183 km (0.095 R)
• M24: 19,091,381 km (0.11 R)
• M25: 21,322,334 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.9

Radius: 3.4

Gravity: 61.41 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.9 AU - 7.08 AU

Year: 9617 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,260,910 km

• M1: 43,084 km (0.091 R)
• M2: 228,586 km (0.057 R)
• M3: 545,135 km (0.063 R)
• M4: 745,297 km (0.073 R)
• M5: 921,074 km (0.088 R)
• M6: 1,368,821 km (0.113 R)
• M7: 1,754,633 km (0.063 R)
• M8: 2,049,491 km (0.113 R)
• M9: 2,612,876 km (0.106 R)
• M10: 3,155,917 km (0.084 R)
• M11: 3,368,645 km (0.095 R)
• M12: 3,770,315 km (0.111 R)
• M13: 4,316,497 km (0.1 R)
• M14: 4,638,282 km (0.092 R)
• M15: 6,797,129 km (0.05 R)
• M16: 7,072,090 km (0.083 R)
• M17: 7,898,319 km (0.069 R)
• M18: 8,513,615 km (0.098 R)
• M19: 9,690,800 km (0.094 R)
• M20: 10,498,629 km (0.119 R)
• M21: 12,478,407 km (0.109 R)
• M22: 12,890,400 km (0.074 R)
• M23: 16,942,408 km (0.052 R)
• M24: 22,021,854 km (0.112 R)
• M25: 22,709,555 km (0.077 R)
• M26: 25,697,922 km (0.025 R)
• M27: 26,749,595 km (0.112 R)
• M28: 29,040,387 km (0.112 R)
• M29: 32,772,106 km (0.109 R)
• M30: 36,691,122 km (0.057 R)
• M31: 38,268,482 km (0.098 R)
• M32: 41,168,885 km (0.103 R)
• M33: 43,672,854 km (0.089 R)
• M34: 43,807,343 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 19,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit