🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.82 AU - 1.1 AU

Year: 402 Days

Day: 12.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.06 AU - 1.22 AU

Year: 520 Days

Day: 39.5 Hours

Environment

Temp: -76 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.42 AU - 1.9 AU

Year: 914 Days

Day: 44.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215

Radius: 13.4

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.55 AU - 4.71 AU

Year: 4259 Days

Day: 7 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 97,736,163 km

• M1: 171,888 km (0.046 R)
• M2: 878,588 km (0.109 R)
• M3: 1,336,059 km (0.09 R)
• M4: 1,876,556 km (0.088 R)
• M5: 2,706,375 km (0.116 R)
• M6: 3,806,219 km (0.107 R)
• M7: 4,627,810 km (0.087 R)
• M8: 5,278,112 km (0.067 R)
• M9: 5,937,539 km (0.107 R)
• M10: 6,488,060 km (0.103 R)
• M11: 6,986,969 km (0.084 R)
• M12: 7,541,229 km (0.119 R)
• M13: 7,999,447 km (0.079 R)
• M14: 10,241,769 km (0.091 R)
• M15: 10,728,561 km (0.047 R)
• M16: 12,199,407 km (0.111 R)
• M17: 12,704,150 km (0.074 R)
• M18: 13,665,915 km (0.102 R)
• M19: 14,864,493 km (0.088 R)
• M20: 15,734,554 km (0.105 R)
• M21: 17,843,136 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.1

Radius: 12.2

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.46 AU - 7.1 AU

Year: 7547 Days

Day: 10.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 97,736,163 km

• M1: 208,689 km (0.042 R)
• M2: 1,141,282 km (0.09 R)
• M3: 1,627,326 km (0.113 R)
• M4: 3,491,315 km (0.077 R)
• M5: 5,490,242 km (0.102 R)
• M6: 7,208,673 km (0.106 R)
• M7: 11,442,143 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.8

Radius: 12.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.79 AU - 7.81 AU

Year: 7580 Days

Day: 8.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 97,736,163 km

• M1: 156,031 km (0.102 R)
• M2: 758,461 km (0.037 R)
• M3: 1,807,292 km (0.039 R)
• M4: 2,593,129 km (0.087 R)
• M5: 3,419,359 km (0.104 R)
• M6: 5,653,603 km (0.104 R)
• M7: 7,077,176 km (0.093 R)
• M8: 7,551,551 km (0.101 R)
• M9: 8,085,915 km (0.104 R)
• M10: 9,230,937 km (0.093 R)
• M11: 9,842,493 km (0.054 R)
• M12: 13,206,201 km (0.07 R)
• M13: 14,268,495 km (0.107 R)
• M14: 15,206,324 km (0.096 R)
• M15: 20,377,175 km (0.094 R)
• M16: 21,339,987 km (0.111 R)
• M17: 22,880,097 km (0.053 R)
• M18: 26,527,293 km (0.117 R)
• M19: 29,318,490 km (0.104 R)
• M20: 30,354,306 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.2

Radius: 4.5

Gravity: 22.53 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.75 AU - 11.11 AU

Year: 13377 Days

Day: 20 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 97,736,163 km

• M1: 70,610 km (0.059 R)
• M2: 241,301 km (0.105 R)
• M3: 420,968 km (0.048 R)
• M4: 574,605 km (0.043 R)
• M5: 793,318 km (0.063 R)
• M6: 979,417 km (0.099 R)
• M7: 1,553,574 km (0.103 R)
• M8: 1,930,411 km (0.096 R)
• M9: 2,504,119 km (0.114 R)
• M10: 2,711,611 km (0.097 R)
• M11: 3,256,297 km (0.032 R)
• M12: 4,177,072 km (0.103 R)
• M13: 5,669,909 km (0.078 R)
• M14: 8,409,794 km (0.078 R)
• M15: 11,352,982 km (0.095 R)
• M16: 11,521,579 km (0.084 R)
• M17: 12,037,393 km (0.069 R)
• M18: 12,212,721 km (0.104 R)
• M19: 15,119,408 km (0.064 R)
• M20: 15,460,641 km (0.036 R)
• M21: 19,400,600 km (0.064 R)
• M22: 20,793,506 km (0.072 R)
• M23: 21,816,007 km (0.094 R)
• M24: 24,611,692 km (0.118 R)
• M25: 25,370,153 km (0.08 R)
• M26: 29,503,094 km (0.082 R)
• M27: 29,928,849 km (0.109 R)
• M28: 31,230,650 km (0.118 R)
• M29: 32,231,460 km (0.077 R)
• M30: 34,179,822 km (0.116 R)
• M31: 35,004,406 km (0.108 R)
• M32: 37,433,277 km (0.097 R)
• M33: 43,031,229 km (0.038 R)
• M34: 44,130,773 km (0.119 R)
• M35: 46,672,890 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.5

Radius: 7.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 11.63 AU - 11.89 AU

Year: 17240 Days

Day: 21.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 72.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 97,736,163 km

• M1: 92,003 km (0.051 R)
• M2: 614,398 km (0.087 R)
• M3: 1,120,488 km (0.089 R)
• M4: 1,753,137 km (0.09 R)
• M5: 2,131,470 km (0.096 R)
• M6: 3,550,705 km (0.1 R)
• M7: 4,214,172 km (0.053 R)
• M8: 4,620,330 km (0.073 R)
• M9: 15,307,752 km (0.062 R)
• M10: 21,756,617 km (0.054 R)
• M11: 26,384,876 km (0.077 R)
• M12: 26,773,381 km (0.116 R)
• M13: 30,979,176 km (0.08 R)
• M14: 38,020,000 km (0.083 R)
• M15: 46,762,050 km (0.104 R)
• M16: 48,338,363 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.5

Radius: 5.2

Gravity: 29.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 12.8 AU - 18.96 AU

Year: 27052 Days

Day: 20.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 97,736,163 km

• M1: 68,516 km (0.058 R)
• M2: 237,711 km (0.09 R)
• M3: 869,762 km (0.062 R)
• M4: 1,722,619 km (0.039 R)
• M5: 2,030,193 km (0.103 R)
• M6: 2,546,754 km (0.103 R)
• M7: 3,175,963 km (0.086 R)
• M8: 3,356,079 km (0.095 R)
• M9: 5,052,219 km (0.098 R)
• M10: 5,381,933 km (0.109 R)
• M11: 5,769,691 km (0.071 R)
• M12: 7,147,038 km (0.078 R)
• M13: 10,012,286 km (0.111 R)
• M14: 11,415,514 km (0.115 R)
• M15: 11,982,939 km (0.074 R)
• M16: 13,173,888 km (0.119 R)
• M17: 13,561,795 km (0.115 R)
• M18: 13,877,446 km (0.07 R)
• M19: 16,671,935 km (0.072 R)
• M20: 16,852,350 km (0.11 R)
• M21: 17,217,369 km (0.113 R)
• M22: 18,343,841 km (0.078 R)
• M23: 21,479,711 km (0.055 R)
• M24: 23,006,208 km (0.061 R)
• M25: 23,342,504 km (0.101 R)
• M26: 24,024,820 km (0.112 R)
• M27: 27,763,719 km (0.041 R)
• M28: 32,853,188 km (0.05 R)
• M29: 38,846,677 km (0.079 R)
• M30: 46,236,812 km (0.108 R)
• M31: 46,593,304 km (0.081 R)
• M32: 49,885,205 km (0.095 R)
• M33: 58,785,830 km (0.106 R)
• M34: 59,414,290 km (0.052 R)
• M35: 61,756,843 km (0.098 R)
• M36: 72,460,571 km (0.057 R)
• M37: 74,397,415 km (0.1 R)
• M38: 85,939,190 km (0.086 R)
• M39: 86,748,514 km (0.057 R)
• M40: 96,568,717 km (0.092 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: 391 - 20,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit