🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.64 AU - 0.72 AU

Year: 212 Days

Day: 41.6 Hours

Environment

Temp: 149 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,178,338 km

• M1: 369,956 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.48 AU - 1.88 AU

Year: 825 Days

Day: 38.1 Hours

Environment

Temp: -63 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 105,178,338 km

• M1: 1,080,545 km (0.038 R)
• M2: 1,694,645 km (0.038 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.51 AU - 2.49 AU

Year: 1071 Days

Day: 41 Hours

Environment

Temp: -79 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 12.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.46 AU - 5.14 AU

Year: 3377 Days

Day: 10.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 105,178,338 km

• M1: 151,692 km (0.089 R)
• M2: 651,200 km (0.087 R)
• M3: 1,122,882 km (0.098 R)
• M4: 1,787,844 km (0.031 R)
• M5: 2,387,582 km (0.111 R)
• M6: 2,957,700 km (0.066 R)
• M7: 3,597,230 km (0.118 R)
• M8: 4,147,003 km (0.111 R)
• M9: 4,631,550 km (0.103 R)
• M10: 5,389,263 km (0.074 R)
• M11: 6,865,645 km (0.114 R)
• M12: 7,680,803 km (0.043 R)
• M13: 8,307,020 km (0.108 R)
• M14: 10,855,869 km (0.034 R)
• M15: 11,511,107 km (0.1 R)
• M16: 13,437,030 km (0.104 R)
• M17: 15,733,806 km (0.119 R)
• M18: 17,149,451 km (0.086 R)
• M19: 18,099,098 km (0.082 R)
• M20: 19,588,794 km (0.109 R)
• M21: 20,429,085 km (0.104 R)
• M22: 22,390,164 km (0.083 R)
• M23: 23,452,309 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.8

Radius: 12

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.08 AU - 9.4 AU

Year: 8156 Days

Day: 8.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,178,338 km

• M1: 150,047 km (0.034 R)
• M2: 566,228 km (0.102 R)
• M3: 1,226,254 km (0.116 R)
• M4: 1,696,290 km (0.103 R)
• M5: 2,212,702 km (0.073 R)
• M6: 3,880,569 km (0.098 R)
• M7: 4,541,642 km (0.051 R)
• M8: 5,771,486 km (0.106 R)
• M9: 6,983,229 km (0.083 R)
• M10: 9,343,285 km (0.12 R)
• M11: 10,111,320 km (0.12 R)
• M12: 12,004,930 km (0.05 R)
• M13: 14,438,887 km (0.06 R)
• M14: 17,066,723 km (0.044 R)
• M15: 19,092,279 km (0.086 R)
• M16: 21,205,049 km (0.109 R)
• M17: 21,756,617 km (0.108 R)
• M18: 24,584,166 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.6

Radius: 7.6

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 11.97 AU - 12.39 AU

Year: 16100 Days

Day: 23.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,178,338 km

• M1: 98,435 km (0.089 R)
• M2: 432,188 km (0.093 R)
• M3: 1,343,688 km (0.063 R)
• M4: 1,850,974 km (0.115 R)
• M5: 2,090,929 km (0.074 R)
• M6: 3,511,212 km (0.111 R)
• M7: 4,838,294 km (0.079 R)
• M8: 5,982,718 km (0.093 R)
• M9: 9,643,827 km (0.058 R)
• M10: 11,688,082 km (0.072 R)
• M11: 12,910,745 km (0.092 R)
• M12: 16,298,389 km (0.096 R)
• M13: 17,169,048 km (0.085 R)
• M14: 26,663,876 km (0.091 R)
• M15: 31,229,004 km (0.047 R)
• M16: 38,734,629 km (0.093 R)
• M17: 53,998,847 km (0.091 R)
• M18: 61,800,676 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.5

Radius: 4.9

Gravity: 20.3 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 14.36 AU - 17.8 AU

Year: 24422 Days

Day: 22.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 105,178,338 km

• M1: 63,429 km (0.045 R)
• M2: 360,980 km (0.099 R)
• M3: 768,933 km (0.1 R)
• M4: 1,041,800 km (0.073 R)
• M5: 1,243,757 km (0.115 R)
• M6: 2,674,212 km (0.105 R)
• M7: 4,417,775 km (0.087 R)
• M8: 5,024,095 km (0.106 R)
• M9: 7,080,467 km (0.117 R)
• M10: 7,511,159 km (0.109 R)
• M11: 7,959,056 km (0.116 R)
• M12: 8,163,705 km (0.119 R)
• M13: 9,466,553 km (0.049 R)
• M14: 10,227,258 km (0.108 R)
• M15: 10,469,308 km (0.047 R)
• M16: 13,033,565 km (0.119 R)
• M17: 16,068,906 km (0.081 R)
• M18: 16,979,358 km (0.052 R)
• M19: 17,836,554 km (0.091 R)
• M20: 19,730,014 km (0.09 R)
• M21: 20,773,310 km (0.047 R)
• M22: 22,763,560 km (0.12 R)
• M23: 31,612,872 km (0.077 R)
• M24: 36,579,223 km (0.114 R)
• M25: 40,064,255 km (0.075 R)
• M26: 43,764,109 km (0.079 R)
• M27: 47,182,869 km (0.087 R)
• M28: 50,950,791 km (0.046 R)
• M29: 51,126,718 km (0.069 R)
• M30: 52,369,278 km (0.08 R)
• M31: 53,450,272 km (0.104 R)
• M32: 56,971,357 km (0.106 R)
• M33: 63,448,945 km (0.04 R)
• M34: 65,297,077 km (0.085 R)
• M35: 68,670,659 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.2

Radius: 4

Gravity: 18.14 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 15.35 AU - 18.49 AU

Year: 26360 Days

Day: 21.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 105,178,338 km

• M1: 61,186 km (0.117 R)
• M2: 411,394 km (0.082 R)
• M3: 1,010,683 km (0.071 R)
• M4: 1,622,239 km (0.09 R)
• M5: 3,387,793 km (0.117 R)
• M6: 3,526,919 km (0.106 R)
• M7: 6,907,382 km (0.111 R)
• M8: 8,027,422 km (0.03 R)
• M9: 8,275,156 km (0.059 R)
• M10: 11,658,760 km (0.084 R)
• M11: 15,784,969 km (0.088 R)
• M12: 17,296,506 km (0.045 R)
• M13: 17,960,870 km (0.103 R)
• M14: 18,470,251 km (0.091 R)
• M15: 20,603,816 km (0.037 R)
• M16: 30,542,350 km (0.109 R)
• M17: 35,726,814 km (0.108 R)
• M18: 43,865,536 km (0.109 R)
• M19: 48,118,155 km (0.111 R)
• M20: 53,156,312 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774

Radius: 5.8

Gravity: 23.01 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 18.57 AU - 18.79 AU

Year: 30578 Days

Day: 19.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 105,178,338 km

• M1: 92,601 km (0.1 R)
• M2: 277,354 km (0.119 R)
• M3: 471,084 km (0.12 R)
• M4: 900,430 km (0.104 R)
• M5: 1,146,069 km (0.093 R)
• M6: 1,543,401 km (0.092 R)
• M7: 1,919,490 km (0.099 R)
• M8: 2,306,051 km (0.092 R)
• M9: 2,689,022 km (0.03 R)
• M10: 4,695,428 km (0.095 R)
• M11: 5,439,379 km (0.102 R)
• M12: 5,704,017 km (0.094 R)
• M13: 7,859,274 km (0.079 R)
• M14: 12,137,474 km (0.083 R)
• M15: 13,528,285 km (0.05 R)
• M16: 14,596,563 km (0.052 R)
• M17: 15,194,656 km (0.074 R)
• M18: 16,530,864 km (0.106 R)
• M19: 18,530,389 km (0.118 R)
• M20: 19,434,858 km (0.083 R)
• M21: 26,104,080 km (0.059 R)
• M22: 27,367,584 km (0.025 R)
• M23: 37,373,737 km (0.089 R)
• M24: 40,792,497 km (0.067 R)
• M25: 43,883,787 km (0.116 R)
• M26: 48,056,521 km (0.106 R)
• M27: 48,997,491 km (0.082 R)
• M28: 49,567,758 km (0.071 R)
• M29: 55,517,116 km (0.104 R)
• M30: 55,929,857 km (0.102 R)
• M31: 57,390,530 km (0.112 R)
• M32: 58,449,384 km (0.102 R)
• M33: 62,368,998 km (0.097 R)
• M34: 71,699,118 km (0.089 R)
• M35: 74,669,384 km (0.076 R)
• M36: 82,452,063 km (0.075 R)
• M37: 102,986,465 km (0.093 R)
• M38: 105,178,373 km (0.032 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 14,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit