🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.79 AU - 1.27 AU

Year: 380 Days

Day: 33.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.43 AU - 1.43 AU

Year: 621 Days

Day: 27 Hours

Environment

Temp: -26 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,568,326 km

• M1: 598,391 km (0.102 R)
• M2: 639,381 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.57 AU - 1.99 AU

Year: 863 Days

Day: 34.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.96 AU - 4.56 AU

Year: 2650 Days

Day: 12.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.43 AU - 5.03 AU

Year: 3162 Days

Day: 28.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.41 AU - 5.37 AU

Year: 3343 Days

Day: 46.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 14.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.08 AU - 11.84 AU

Year: 11424 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 60,568,326 km

• M1: 204,051 km (0.105 R)
• M2: 515,215 km (0.083 R)
• M3: 667,655 km (0.077 R)
• M4: 779,405 km (0.101 R)
• M5: 898,335 km (0.079 R)
• M6: 1,908,719 km (0.103 R)
• M7: 2,047,247 km (0.081 R)
• M8: 2,246,960 km (0.112 R)
• M9: 2,543,912 km (0.075 R)
• M10: 2,822,313 km (0.029 R)
• M11: 3,045,813 km (0.106 R)
• M12: 3,510,613 km (0.119 R)
• M13: 3,751,466 km (0.107 R)
• M14: 3,962,548 km (0.101 R)
• M15: 4,507,085 km (0.037 R)
• M16: 5,192,243 km (0.091 R)
• M17: 5,626,974 km (0.043 R)
• M18: 5,788,091 km (0.101 R)
• M19: 5,991,694 km (0.107 R)
• M20: 7,482,287 km (0.067 R)
• M21: 7,793,899 km (0.104 R)
• M22: 8,246,283 km (0.103 R)
• M23: 8,429,690 km (0.097 R)
• M24: 8,660,819 km (0.105 R)
• M25: 8,987,990 km (0.071 R)
• M26: 9,082,236 km (0.1 R)
• M27: 9,702,918 km (0.057 R)
• M28: 10,485,614 km (0.114 R)
• M29: 10,684,579 km (0.114 R)
• M30: 11,288,805 km (0.093 R)
• M31: 11,390,531 km (0.036 R)
• M32: 11,749,267 km (0.108 R)
• M33: 12,111,593 km (0.084 R)
• M34: 12,953,979 km (0.09 R)
• M35: 13,436,133 km (0.101 R)
• M36: 13,924,121 km (0.095 R)
• M37: 14,307,690 km (0.102 R)
• M38: 15,085,449 km (0.12 R)
• M39: 15,423,092 km (0.118 R)
• M40: 16,163,003 km (0.065 R)
• M41: 16,335,489 km (0.086 R)
• M42: 17,031,269 km (0.09 R)
• M43: 18,152,654 km (0.112 R)
• M44: 19,358,862 km (0.098 R)
• M45: 19,848,645 km (0.051 R)
• M46: 20,840,330 km (0.116 R)
• M47: 22,230,244 km (0.089 R)
• M48: 22,678,888 km (0.078 R)
• M49: 23,130,374 km (0.111 R)
• M50: 24,107,996 km (0.08 R)
• M51: 24,239,343 km (0.113 R)
• M52: 25,298,945 km (0.091 R)
• M53: 26,103,482 km (0.092 R)
• M54: 26,508,892 km (0.075 R)
• M55: 28,567,359 km (0.104 R)
• M56: 29,124,910 km (0.101 R)
• M57: 29,686,201 km (0.12 R)
• M58: 31,247,854 km (0.074 R)
• M59: 31,391,168 km (0.093 R)
• M60: 31,606,440 km (0.041 R)
• M61: 31,894,416 km (0.106 R)
• M62: 32,836,134 km (0.103 R)
• M63: 34,895,349 km (0.117 R)
• M64: 35,416,697 km (0.099 R)
• M65: 35,566,146 km (0.085 R)
• M66: 37,375,532 km (0.075 R)
• M67: 39,446,864 km (0.094 R)
• M68: 41,162,004 km (0.035 R)
• M69: 42,028,774 km (0.118 R)
• M70: 42,583,483 km (0.087 R)
• M71: 43,459,977 km (0.104 R)
• M72: 44,342,454 km (0.093 R)
• M73: 45,149,834 km (0.099 R)
• M74: 46,861,234 km (0.105 R)
• M75: 47,931,307 km (0.094 R)
• M76: 49,593,190 km (0.082 R)
• M77: 50,179,315 km (0.093 R)
• M78: 51,612,313 km (0.098 R)
• M79: 52,291,337 km (0.052 R)
• M80: 53,315,335 km (0.056 R)
• M81: 53,915,821 km (0.092 R)
• M82: 55,556,909 km (0.075 R)
• M83: 56,427,120 km (0.044 R)
• M84: 57,126,640 km (0.059 R)
• M85: 57,741,038 km (0.1 R)
• M86: 57,916,965 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 15

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.93 AU - 11.01 AU

Year: 13205 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 60,568,326 km

• M1: 205,099 km (0.119 R)
• M2: 348,713 km (0.095 R)
• M3: 538,403 km (0.112 R)
• M4: 1,117,047 km (0.077 R)
• M5: 1,599,351 km (0.12 R)
• M6: 1,703,621 km (0.071 R)
• M7: 2,030,941 km (0.117 R)
• M8: 2,327,892 km (0.044 R)
• M9: 2,568,895 km (0.106 R)
• M10: 2,800,173 km (0.095 R)
• M11: 2,982,832 km (0.116 R)
• M12: 3,245,526 km (0.098 R)
• M13: 3,555,193 km (0.091 R)
• M14: 3,894,930 km (0.108 R)
• M15: 3,996,806 km (0.108 R)
• M16: 4,413,885 km (0.058 R)
• M17: 4,649,203 km (0.094 R)
• M18: 5,563,246 km (0.098 R)
• M19: 5,934,996 km (0.1 R)
• M20: 6,123,938 km (0.079 R)
• M21: 6,267,104 km (0.035 R)
• M22: 6,483,871 km (0.091 R)
• M23: 6,580,960 km (0.112 R)
• M24: 6,801,318 km (0.118 R)
• M25: 6,949,569 km (0.09 R)
• M26: 7,073,885 km (0.09 R)
• M27: 7,451,620 km (0.089 R)
• M28: 7,784,325 km (0.103 R)
• M29: 7,913,578 km (0.095 R)
• M30: 8,095,788 km (0.118 R)
• M31: 8,731,280 km (0.089 R)
• M32: 9,000,705 km (0.081 R)
• M33: 9,575,760 km (0.096 R)
• M34: 9,825,887 km (0.074 R)
• M35: 10,332,725 km (0.103 R)
• M36: 10,532,139 km (0.087 R)
• M37: 11,548,357 km (0.103 R)
• M38: 11,755,401 km (0.049 R)
• M39: 12,143,158 km (0.054 R)
• M40: 12,414,080 km (0.105 R)
• M41: 12,961,908 km (0.085 R)
• M42: 13,177,179 km (0.112 R)
• M43: 14,018,517 km (0.066 R)
• M44: 14,366,183 km (0.104 R)
• M45: 14,780,868 km (0.108 R)
• M46: 14,973,700 km (0.056 R)
• M47: 15,426,682 km (0.109 R)
• M48: 15,556,832 km (0.115 R)
• M49: 15,720,193 km (0.091 R)
• M50: 16,015,649 km (0.085 R)
• M51: 16,246,778 km (0.033 R)
• M52: 16,379,321 km (0.042 R)
• M53: 17,724,505 km (0.104 R)
• M54: 18,135,002 km (0.061 R)
• M55: 18,479,526 km (0.092 R)
• M56: 18,930,713 km (0.115 R)
• M57: 19,490,807 km (0.101 R)
• M58: 19,667,034 km (0.112 R)
• M59: 20,591,698 km (0.069 R)
• M60: 20,771,216 km (0.109 R)
• M61: 21,348,963 km (0.078 R)
• M62: 22,078,701 km (0.073 R)
• M63: 22,631,315 km (0.106 R)
• M64: 23,039,568 km (0.04 R)
• M65: 23,525,163 km (0.116 R)
• M66: 23,976,350 km (0.074 R)
• M67: 25,385,562 km (0.092 R)
• M68: 25,539,648 km (0.115 R)
• M69: 25,732,479 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.7

Radius: 4.2

Gravity: 17.16 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 14.14 AU - 16.1 AU

Year: 21368 Days

Day: 23 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 60,568,326 km

• M1: 152,440 km (0.083 R)
• M2: 263,292 km (0.087 R)
• M3: 854,204 km (0.035 R)
• M4: 1,055,114 km (0.109 R)
• M5: 1,686,118 km (0.06 R)
• M6: 2,081,954 km (0.067 R)
• M7: 2,140,746 km (0.078 R)
• M8: 2,230,055 km (0.083 R)
• M9: 2,290,194 km (0.111 R)
• M10: 2,694,706 km (0.067 R)
• M11: 2,921,497 km (0.115 R)
• M12: 3,087,401 km (0.036 R)
• M13: 3,780,937 km (0.035 R)
• M14: 4,750,929 km (0.039 R)
• M15: 4,945,855 km (0.101 R)
• M16: 4,985,199 km (0.025 R)
• M17: 6,424,929 km (0.05 R)
• M18: 6,597,266 km (0.06 R)
• M19: 6,770,949 km (0.07 R)
• M20: 7,256,544 km (0.106 R)
• M21: 7,480,941 km (0.109 R)
• M22: 8,167,894 km (0.111 R)
• M23: 8,214,419 km (0.102 R)
• M24: 8,684,306 km (0.119 R)
• M25: 9,066,529 km (0.119 R)
• M26: 10,346,039 km (0.081 R)
• M27: 10,598,560 km (0.071 R)
• M28: 10,751,001 km (0.091 R)
• M29: 11,161,198 km (0.07 R)
• M30: 11,212,809 km (0.112 R)
• M31: 11,524,272 km (0.047 R)
• M32: 11,786,068 km (0.064 R)
• M33: 12,582,827 km (0.095 R)
• M34: 14,060,405 km (0.111 R)
• M35: 14,116,205 km (0.094 R)
• M36: 14,621,546 km (0.088 R)
• M37: 15,189,869 km (0.083 R)
• M38: 15,591,988 km (0.086 R)
• M39: 16,348,055 km (0.1 R)
• M40: 16,465,340 km (0.047 R)
• M41: 18,320,204 km (0.103 R)
• M42: 18,748,054 km (0.093 R)
• M43: 19,303,062 km (0.084 R)
• M44: 20,872,793 km (0.11 R)
• M45: 20,936,521 km (0.075 R)
• M46: 22,287,689 km (0.103 R)
• M47: 22,417,839 km (0.055 R)
• M48: 26,438,132 km (0.079 R)
• M49: 26,644,877 km (0.088 R)
• M50: 27,198,987 km (0.071 R)
• M51: 27,966,873 km (0.115 R)
• M52: 28,318,279 km (0.067 R)
• M53: 29,667,053 km (0.074 R)
• M54: 30,169,103 km (0.073 R)
• M55: 30,313,166 km (0.083 R)
• M56: 30,385,272 km (0.062 R)
• M57: 30,529,485 km (0.065 R)
• M58: 30,674,146 km (0.116 R)
• M59: 30,746,402 km (0.09 R)
• M60: 31,109,176 km (0.099 R)
• M61: 33,986,243 km (0.086 R)
• M62: 34,061,042 km (0.118 R)
• M63: 34,737,523 km (0.084 R)
• M64: 36,332,835 km (0.038 R)
• M65: 39,122,985 km (0.058 R)
• M66: 39,280,063 km (0.1 R)
• M67: 39,437,290 km (0.075 R)
• M68: 39,594,667 km (0.06 R)
• M69: 39,673,505 km (0.107 R)
• M70: 40,147,281 km (0.077 R)
• M71: 41,100,669 km (0.086 R)
• M72: 42,786,936 km (0.037 R)
• M73: 44,250,153 km (0.111 R)
• M74: 45,317,085 km (0.117 R)
• M75: 45,978,008 km (0.116 R)
• M76: 46,226,490 km (0.025 R)
• M77: 47,560,005 km (0.086 R)
• M78: 47,811,479 km (0.113 R)
• M79: 50,179,464 km (0.066 R)
• M80: 50,435,426 km (0.092 R)
• M81: 50,691,837 km (0.106 R)
• M82: 50,777,407 km (0.12 R)
• M83: 51,034,416 km (0.052 R)
• M84: 51,206,005 km (0.111 R)
• M85: 53,540,779 km (0.06 R)
• M86: 54,589,460 km (0.099 R)
• M87: 55,028,530 km (0.108 R)
• M88: 55,909,960 km (0.08 R)
• M89: 56,796,178 km (0.118 R)
• M90: 57,151,922 km (0.037 R)
• M91: 58,492,618 km (0.061 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 11,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit