🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.39 AU - 0.63 AU

Year: 239 Days

Day: 25.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,336,909 km

• M1: 44,131 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.58 AU - 0.76 AU

Year: 360 Days

Day: 38.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 12.8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.04 AU - 1.2 AU

Year: 778 Days

Day: 10.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,336,909 km

• M1: 159,920 km (0.11 R)
• M2: 595,250 km (0.04 R)
• M3: 1,052,421 km (0.074 R)
• M4: 1,686,566 km (0.113 R)
• M5: 2,135,958 km (0.116 R)
• M6: 2,588,193 km (0.096 R)
• M7: 3,079,622 km (0.118 R)
• M8: 3,717,657 km (0.054 R)
• M9: 4,237,360 km (0.051 R)
• M10: 4,941,966 km (0.074 R)
• M11: 6,734,298 km (0.077 R)
• M12: 7,789,412 km (0.09 R)
• M13: 8,443,902 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.5

Radius: 10.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.09 AU - 1.43 AU

Year: 928 Days

Day: 8.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,336,909 km

• M1: 135,685 km (0.083 R)
• M2: 548,426 km (0.05 R)
• M3: 1,250,937 km (0.103 R)
• M4: 1,709,604 km (0.032 R)
• M5: 2,146,131 km (0.108 R)
• M6: 3,219,945 km (0.03 R)
• M7: 3,771,362 km (0.097 R)
• M8: 4,434,829 km (0.091 R)
• M9: 5,691,900 km (0.088 R)
• M10: 6,222,673 km (0.064 R)
• M11: 6,920,996 km (0.12 R)
• M12: 7,359,916 km (0.05 R)
• M13: 8,191,830 km (0.111 R)
• M14: 8,656,930 km (0.03 R)
• M15: 9,003,847 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.2

Radius: 11.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.77 AU - 2.15 AU

Year: 1800 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,336,909 km

• M1: 148,251 km (0.093 R)
• M2: 555,158 km (0.08 R)
• M3: 1,631,963 km (0.06 R)
• M4: 2,109,480 km (0.075 R)
• M5: 3,039,978 km (0.039 R)
• M6: 3,515,251 km (0.055 R)
• M7: 4,070,558 km (0.087 R)
• M8: 4,616,441 km (0.076 R)
• M9: 5,210,643 km (0.063 R)
• M10: 5,776,871 km (0.087 R)
• M11: 6,425,677 km (0.079 R)
• M12: 7,489,617 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345

Radius: 10.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.67 AU - 2.81 AU

Year: 2975 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,336,909 km

• M1: 131,646 km (0.048 R)
• M2: 847,472 km (0.047 R)
• M3: 1,193,941 km (0.114 R)
• M4: 1,626,877 km (0.105 R)
• M5: 2,031,090 km (0.072 R)
• M6: 4,015,656 km (0.066 R)
• M7: 5,410,506 km (0.103 R)
• M8: 7,189,225 km (0.057 R)
• M9: 7,800,631 km (0.115 R)
• M10: 9,739,569 km (0.096 R)
• M11: 10,270,791 km (0.078 R)
• M12: 10,895,961 km (0.029 R)
• M13: 11,546,263 km (0.082 R)
• M14: 14,545,551 km (0.059 R)
• M15: 15,381,503 km (0.068 R)
• M16: 16,495,858 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.9

Radius: 11.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.62 AU - 4.14 AU

Year: 4076 Days

Day: 11.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,336,909 km

• M1: 144,811 km (0.105 R)
• M2: 666,459 km (0.081 R)
• M3: 1,131,409 km (0.113 R)
• M4: 2,517,882 km (0.117 R)
• M5: 2,980,289 km (0.049 R)
• M6: 3,478,749 km (0.099 R)
• M7: 4,497,810 km (0.035 R)
• M8: 6,922,342 km (0.084 R)
• M9: 7,696,062 km (0.056 R)
• M10: 9,021,799 km (0.114 R)
• M11: 10,280,665 km (0.108 R)
• M12: 11,515,296 km (0.107 R)
• M13: 12,407,797 km (0.109 R)
• M14: 12,994,819 km (0.076 R)
• M15: 16,040,033 km (0.081 R)
• M16: 17,033,363 km (0.037 R)
• M17: 19,077,917 km (0.084 R)
• M18: 21,629,159 km (0.111 R)
• M19: 22,265,249 km (0.074 R)
• M20: 25,949,546 km (0.112 R)
• M21: 26,667,765 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880

Radius: 9.7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.03 AU - 5.49 AU

Year: 6813 Days

Day: 6.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,336,909 km

• M1: 120,725 km (0.117 R)
• M2: 734,226 km (0.049 R)
• M3: 1,250,638 km (0.069 R)
• M4: 2,310,390 km (0.048 R)
• M5: 3,165,042 km (0.071 R)
• M6: 4,112,894 km (0.114 R)
• M7: 5,239,516 km (0.049 R)
• M8: 5,614,707 km (0.109 R)
• M9: 6,314,676 km (0.058 R)
• M10: 6,631,973 km (0.097 R)
• M11: 7,413,921 km (0.12 R)
• M12: 7,968,630 km (0.095 R)
• M13: 9,385,920 km (0.091 R)
• M14: 9,800,007 km (0.09 R)
• M15: 13,334,257 km (0.097 R)
• M16: 13,799,207 km (0.098 R)
• M17: 14,275,078 km (0.118 R)
• M18: 15,512,402 km (0.092 R)
• M19: 16,486,284 km (0.12 R)
• M20: 17,987,648 km (0.113 R)
• M21: 19,652,523 km (0.093 R)
• M22: 21,260,251 km (0.117 R)
• M23: 21,655,638 km (0.109 R)
• M24: 23,537,879 km (0.103 R)
• M25: 24,562,026 km (0.055 R)
• M26: 24,997,505 km (0.04 R)
• M27: 27,907,184 km (0.092 R)
• M28: 32,683,694 km (0.118 R)
• M29: 33,104,662 km (0.115 R)
• M30: 33,850,258 km (0.063 R)
• M31: 38,560,796 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.5

Radius: 4.2

Gravity: 43.79 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.34 AU - 9.98 AU

Year: 18187 Days

Day: 16.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 176 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,336,909 km

• M1: 52,210 km (0.119 R)
• M2: 362,176 km (0.089 R)
• M3: 561,740 km (0.099 R)
• M4: 843,283 km (0.055 R)
• M5: 1,171,651 km (0.068 R)
• M6: 1,530,685 km (0.06 R)
• M7: 1,718,132 km (0.041 R)
• M8: 2,098,260 km (0.039 R)
• M9: 2,673,613 km (0.115 R)
• M10: 3,237,148 km (0.098 R)
• M11: 4,096,289 km (0.111 R)
• M12: 6,866,692 km (0.072 R)
• M13: 11,491,360 km (0.108 R)
• M14: 14,848,037 km (0.112 R)
• M15: 16,748,080 km (0.095 R)
• M16: 18,450,504 km (0.085 R)
• M17: 24,033,496 km (0.079 R)
• M18: 31,642,493 km (0.096 R)
• M19: 40,562,565 km (0.053 R)
• M20: 43,299,458 km (0.118 R)
• M21: 48,297,373 km (0.106 R)
• M22: 50,847,867 km (0.03 R)
• M23: 53,845,510 km (0.073 R)
• M24: 54,386,455 km (0.105 R)
• M25: 74,336,977 km (0.083 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: 359 - 18,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit