🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.51 AU - 0.71 AU

Year: 182 Days

Day: 33.6 Hours

Environment

Temp: 175 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.59 AU - 0.87 AU

Year: 239 Days

Day: 34.8 Hours

Environment

Temp: 150 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.77 AU - 1.11 AU

Year: 349 Days

Day: 33.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 37.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 38,955,576 km

• M1: 19,597 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.06 AU - 2.72 AU

Year: 1415 Days

Day: 30 Hours

Environment

Temp: -106 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.92 AU - 3.14 AU

Year: 2019 Days

Day: 34.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,955,576 km

• M1: 720,314 km (0.028 R)
• M2: 844,929 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.2

Radius: 14.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.37 AU - 9.15 AU

Year: 9927 Days

Day: 9.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 38,955,576 km

• M1: 193,430 km (0.106 R)
• M2: 462,407 km (0.106 R)
• M3: 833,260 km (0.097 R)
• M4: 1,083,537 km (0.113 R)
• M5: 1,659,489 km (0.071 R)
• M6: 2,226,166 km (0.101 R)
• M7: 2,521,771 km (0.051 R)
• M8: 3,216,953 km (0.082 R)
• M9: 3,349,796 km (0.067 R)
• M10: 3,507,023 km (0.103 R)
• M11: 3,666,793 km (0.096 R)
• M12: 4,676,429 km (0.116 R)
• M13: 5,290,828 km (0.108 R)
• M14: 6,012,488 km (0.096 R)
• M15: 6,765,265 km (0.114 R)
• M16: 7,313,092 km (0.097 R)
• M17: 7,548,110 km (0.113 R)
• M18: 8,207,238 km (0.104 R)
• M19: 9,010,130 km (0.114 R)
• M20: 9,167,358 km (0.113 R)
• M21: 9,741,215 km (0.107 R)
• M22: 9,870,318 km (0.105 R)
• M23: 10,623,992 km (0.09 R)
• M24: 10,756,984 km (0.088 R)
• M25: 12,117,128 km (0.096 R)
• M26: 12,888,305 km (0.114 R)
• M27: 13,423,267 km (0.084 R)
• M28: 13,675,489 km (0.074 R)
• M29: 13,856,503 km (0.052 R)
• M30: 14,147,919 km (0.049 R)
• M31: 15,900,608 km (0.061 R)
• M32: 16,667,148 km (0.08 R)
• M33: 18,156,544 km (0.059 R)
• M34: 18,716,040 km (0.096 R)
• M35: 19,078,815 km (0.105 R)
• M36: 19,811,096 km (0.039 R)
• M37: 21,177,673 km (0.031 R)
• M38: 23,219,235 km (0.116 R)
• M39: 23,870,135 km (0.071 R)
• M40: 25,278,749 km (0.099 R)
• M41: 27,304,753 km (0.077 R)
• M42: 27,578,816 km (0.109 R)
• M43: 27,991,706 km (0.078 R)
• M44: 29,195,820 km (0.099 R)
• M45: 29,289,169 km (0.06 R)
• M46: 29,710,436 km (0.036 R)
• M47: 30,416,987 km (0.078 R)
• M48: 32,279,780 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.5

Radius: 9.2

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.63 AU - 11.17 AU

Year: 12842 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 38,955,576 km

• M1: 142,118 km (0.025 R)
• M2: 283,189 km (0.105 R)
• M3: 646,562 km (0.102 R)
• M4: 781,649 km (0.056 R)
• M5: 1,080,695 km (0.073 R)
• M6: 1,414,597 km (0.058 R)
• M7: 1,779,915 km (0.084 R)
• M8: 1,862,045 km (0.03 R)
• M9: 2,145,084 km (0.064 R)
• M10: 2,232,748 km (0.084 R)
• M11: 2,291,839 km (0.104 R)
• M12: 2,502,922 km (0.103 R)
• M13: 3,140,807 km (0.11 R)
• M14: 3,274,398 km (0.093 R)
• M15: 4,224,195 km (0.105 R)
• M16: 5,018,410 km (0.075 R)
• M17: 5,412,601 km (0.054 R)
• M18: 5,694,593 km (0.066 R)
• M19: 5,857,953 km (0.08 R)
• M20: 6,441,834 km (0.059 R)
• M21: 7,307,856 km (0.106 R)
• M22: 7,709,526 km (0.104 R)
• M23: 7,981,346 km (0.106 R)
• M24: 8,441,209 km (0.058 R)
• M25: 8,957,173 km (0.078 R)
• M26: 9,338,946 km (0.052 R)
• M27: 9,725,956 km (0.102 R)
• M28: 10,918,251 km (0.102 R)
• M29: 11,480,141 km (0.117 R)
• M30: 12,051,305 km (0.062 R)
• M31: 12,208,682 km (0.051 R)
• M32: 14,261,015 km (0.07 R)
• M33: 14,371,867 km (0.085 R)
• M34: 15,440,295 km (0.117 R)
• M35: 15,897,766 km (0.098 R)
• M36: 16,417,768 km (0.07 R)
• M37: 17,002,097 km (0.11 R)
• M38: 17,237,714 km (0.053 R)
• M39: 17,652,698 km (0.113 R)
• M40: 17,712,238 km (0.099 R)
• M41: 17,771,778 km (0.087 R)
• M42: 18,130,963 km (0.12 R)
• M43: 18,552,978 km (0.066 R)
• M44: 18,613,565 km (0.103 R)
• M45: 18,795,626 km (0.089 R)
• M46: 18,917,249 km (0.102 R)
• M47: 19,161,542 km (0.029 R)
• M48: 21,596,547 km (0.084 R)
• M49: 22,947,715 km (0.107 R)
• M50: 24,259,838 km (0.071 R)
• M51: 25,192,581 km (0.112 R)
• M52: 25,326,920 km (0.1 R)
• M53: 25,528,727 km (0.083 R)
• M54: 26,887,524 km (0.025 R)
• M55: 28,339,521 km (0.117 R)
• M56: 28,899,317 km (0.105 R)
• M57: 29,110,250 km (0.039 R)
• M58: 29,533,462 km (0.093 R)
• M59: 29,958,918 km (0.039 R)
• M60: 31,031,086 km (0.095 R)
• M61: 31,103,043 km (0.119 R)
• M62: 31,463,424 km (0.038 R)
• M63: 31,680,341 km (0.06 R)
• M64: 31,825,301 km (0.078 R)
• M65: 32,261,379 km (0.115 R)
• M66: 32,553,095 km (0.08 R)
• M67: 33,139,369 km (0.077 R)
• M68: 33,507,529 km (0.102 R)
• M69: 34,173,689 km (0.087 R)
• M70: 34,248,039 km (0.087 R)
• M71: 34,545,589 km (0.047 R)
• M72: 34,769,537 km (0.095 R)
• M73: 34,993,784 km (0.082 R)
• M74: 35,594,270 km (0.082 R)
• M75: 38,957,380 km (0.043 R)
• M76: 39,112,662 km (0.117 R)
• M77: 39,579,707 km (0.069 R)
• M78: 40,283,715 km (0.052 R)
• M79: 40,676,708 km (0.071 R)
• M80: 42,420,571 km (0.093 R)
• M81: 45,244,829 km (0.091 R)
• M82: 46,062,980 km (0.103 R)
• M83: 46,391,496 km (0.08 R)
• M84: 46,885,917 km (0.105 R)
• M85: 48,713,405 km (0.085 R)
• M86: 48,880,655 km (0.115 R)
• M87: 50,310,362 km (0.06 R)
• M88: 52,952,709 km (0.066 R)
• M89: 53,038,728 km (0.117 R)
• M90: 54,247,479 km (0.08 R)
• M91: 54,681,313 km (0.117 R)
• M92: 54,855,146 km (0.075 R)
• M93: 55,029,278 km (0.026 R)
• M94: 55,116,344 km (0.11 R)
• M95: 55,902,181 km (0.065 R)
• M96: 56,165,025 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.9

Radius: 5.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 12.77 AU - 20.13 AU

Year: 25546 Days

Day: 17.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 38,955,576 km

• M1: 161,416 km (0.058 R)
• M2: 262,245 km (0.076 R)
• M3: 384,915 km (0.079 R)
• M4: 526,285 km (0.11 R)
• M5: 590,164 km (0.039 R)
• M6: 995,275 km (0.052 R)
• M7: 1,434,943 km (0.082 R)
• M8: 1,544,299 km (0.06 R)
• M9: 1,829,432 km (0.095 R)
• M10: 2,008,501 km (0.087 R)
• M11: 2,130,872 km (0.105 R)
• M12: 2,404,786 km (0.045 R)
• M13: 2,556,927 km (0.063 R)
• M14: 3,533,950 km (0.045 R)
• M15: 3,731,868 km (0.12 R)
• M16: 3,933,526 km (0.084 R)
• M17: 4,087,163 km (0.106 R)
• M18: 4,138,775 km (0.1 R)
• M19: 4,748,087 km (0.068 R)
• M20: 5,413,349 km (0.064 R)
• M21: 5,843,891 km (0.113 R)
• M22: 6,768,107 km (0.11 R)
• M23: 7,929,585 km (0.066 R)
• M24: 8,026,375 km (0.036 R)
• M25: 8,156,226 km (0.101 R)
• M26: 8,549,518 km (0.073 R)
• M27: 8,682,062 km (0.096 R)
• M28: 9,697,532 km (0.111 R)
• M29: 10,114,162 km (0.054 R)
• M30: 10,785,707 km (0.12 R)
• M31: 11,617,771 km (0.05 R)
• M32: 11,985,931 km (0.107 R)
• M33: 12,733,771 km (0.105 R)
• M34: 13,266,190 km (0.069 R)
• M35: 13,844,685 km (0.058 R)
• M36: 14,668,370 km (0.075 R)
• M37: 16,239,746 km (0.115 R)
• M38: 16,610,001 km (0.072 R)
• M39: 16,775,456 km (0.116 R)
• M40: 16,858,334 km (0.091 R)
• M41: 18,587,835 km (0.081 R)
• M42: 19,147,929 km (0.116 R)
• M43: 19,757,241 km (0.12 R)
• M44: 19,844,906 km (0.028 R)
• M45: 19,888,738 km (0.084 R)
• M46: 20,995,014 km (0.073 R)
• M47: 21,758,561 km (0.092 R)
• M48: 21,939,575 km (0.074 R)
• M49: 22,257,620 km (0.064 R)
• M50: 23,174,356 km (0.11 R)
• M51: 27,303,706 km (0.078 R)
• M52: 27,890,728 km (0.067 R)
• M53: 27,939,796 km (0.116 R)
• M54: 28,383,204 km (0.095 R)
• M55: 28,928,189 km (0.093 R)
• M56: 28,977,856 km (0.085 R)
• M57: 29,426,649 km (0.096 R)
• M58: 29,827,422 km (0.118 R)
• M59: 30,634,353 km (0.099 R)
• M60: 32,476,202 km (0.114 R)
• M61: 34,195,829 km (0.095 R)
• M62: 35,093,267 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.8

Radius: 8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 14.07 AU - 20.93 AU

Year: 28030 Days

Day: 16 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 38,955,576 km

• M1: 109,356 km (0.109 R)
• M2: 281,543 km (0.064 R)
• M3: 865,872 km (0.118 R)
• M4: 2,267,156 km (0.105 R)
• M5: 3,574,940 km (0.114 R)
• M6: 4,054,401 km (0.102 R)
• M7: 4,956,477 km (0.09 R)
• M8: 5,044,141 km (0.09 R)
• M9: 5,400,184 km (0.048 R)
• M10: 5,641,934 km (0.051 R)
• M11: 6,709,016 km (0.106 R)
• M12: 6,838,567 km (0.107 R)
• M13: 7,465,532 km (0.097 R)
• M14: 8,318,090 km (0.105 R)
• M15: 8,457,516 km (0.105 R)
• M16: 9,490,339 km (0.085 R)
• M17: 10,151,412 km (0.099 R)
• M18: 10,375,061 km (0.049 R)
• M19: 10,487,409 km (0.065 R)
• M20: 10,713,601 km (0.089 R)
• M21: 10,903,142 km (0.105 R)
• M22: 12,103,665 km (0.106 R)
• M23: 12,261,640 km (0.091 R)
• M24: 12,739,605 km (0.096 R)
• M25: 13,021,298 km (0.089 R)
• M26: 13,142,622 km (0.069 R)
• M27: 14,922,537 km (0.088 R)
• M28: 15,347,246 km (0.095 R)
• M29: 15,732,909 km (0.066 R)
• M30: 16,997,160 km (0.117 R)
• M31: 18,293,725 km (0.115 R)
• M32: 20,368,049 km (0.081 R)
• M33: 20,555,944 km (0.109 R)
• M34: 22,032,026 km (0.095 R)
• M35: 23,640,652 km (0.066 R)
• M36: 26,200,122 km (0.099 R)
• M37: 26,404,623 km (0.066 R)
• M38: 26,815,119 km (0.109 R)
• M39: 27,021,115 km (0.104 R)
• M40: 27,954,756 km (0.112 R)
• M41: 28,951,676 km (0.063 R)
• M42: 29,004,484 km (0.116 R)
• M43: 29,853,601 km (0.042 R)
• M44: 31,034,377 km (0.084 R)
• M45: 31,848,190 km (0.116 R)
• M46: 34,275,565 km (0.088 R)
• M47: 34,667,212 km (0.109 R)
• M48: 34,779,411 km (0.107 R)
• M49: 35,398,596 km (0.12 R)
• M50: 36,362,455 km (0.07 R)
• M51: 37,277,695 km (0.038 R)
• M52: 37,450,032 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 17,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit