🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.77 AU - 0.89 AU

Year: 288 Days

Day: 35.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.87 AU - 1.15 AU

Year: 387 Days

Day: 44.4 Hours

Environment

Temp: 22 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.07 AU - 1.19 AU

Year: 457 Days

Day: 45.6 Hours

Environment

Temp: 0 °C

Axial Tilt: 42.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 42,802,552 km

• M1: 274,512 km (0.111 R)
• M2: 296,503 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.34 AU - 1.44 AU

Year: 624 Days

Day: 38.5 Hours

Environment

Temp: -54 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.98 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.5

Radius: 13.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.28 AU - 4.84 AU

Year: 3708 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 42,802,552 km

• M1: 194,477 km (0.12 R)
• M2: 280,346 km (0.089 R)
• M3: 373,546 km (0.028 R)
• M4: 547,678 km (0.075 R)
• M5: 745,596 km (0.056 R)
• M6: 997,519 km (0.111 R)
• M7: 1,104,481 km (0.117 R)
• M8: 1,225,955 km (0.045 R)
• M9: 1,320,351 km (0.085 R)
• M10: 1,505,703 km (0.093 R)
• M11: 1,699,881 km (0.089 R)
• M12: 1,794,277 km (0.032 R)
• M13: 2,050,987 km (0.087 R)
• M14: 2,228,859 km (0.076 R)
• M15: 2,478,687 km (0.104 R)
• M16: 2,586,697 km (0.092 R)
• M17: 2,682,439 km (0.094 R)
• M18: 2,863,752 km (0.116 R)
• M19: 3,327,356 km (0.109 R)
• M20: 3,568,208 km (0.089 R)
• M21: 3,706,287 km (0.115 R)
• M22: 3,799,337 km (0.07 R)
• M23: 3,924,551 km (0.077 R)
• M24: 4,738,961 km (0.119 R)
• M25: 4,942,265 km (0.046 R)
• M26: 5,027,835 km (0.116 R)
• M27: 5,375,051 km (0.089 R)
• M28: 5,658,539 km (0.055 R)
• M29: 5,838,207 km (0.107 R)
• M30: 5,928,863 km (0.083 R)
• M31: 6,463,526 km (0.094 R)
• M32: 6,594,873 km (0.034 R)
• M33: 7,265,370 km (0.101 R)
• M34: 7,480,492 km (0.1 R)
• M35: 8,321,830 km (0.095 R)
• M36: 8,608,909 km (0.045 R)
• M37: 8,774,514 km (0.074 R)
• M38: 8,899,278 km (0.104 R)
• M39: 9,129,808 km (0.114 R)
• M40: 9,383,526 km (0.073 R)
• M41: 9,511,283 km (0.051 R)
• M42: 9,661,030 km (0.102 R)
• M43: 9,897,994 km (0.118 R)
• M44: 10,224,117 km (0.098 R)
• M45: 10,421,586 km (0.025 R)
• M46: 10,531,840 km (0.116 R)
• M47: 10,642,542 km (0.097 R)
• M48: 11,291,797 km (0.11 R)
• M49: 11,815,988 km (0.091 R)
• M50: 11,954,067 km (0.075 R)
• M51: 12,092,594 km (0.066 R)
• M52: 12,535,105 km (0.084 R)
• M53: 12,817,246 km (0.094 R)
• M54: 13,125,418 km (0.054 R)
• M55: 13,628,216 km (0.088 R)
• M56: 13,894,201 km (0.068 R)
• M57: 14,161,832 km (0.065 R)
• M58: 14,284,053 km (0.089 R)
• M59: 14,628,278 km (0.095 R)
• M60: 14,950,362 km (0.113 R)
• M61: 15,224,575 km (0.055 R)
• M62: 15,828,951 km (0.1 R)
• M63: 15,930,528 km (0.103 R)
• M64: 17,269,578 km (0.099 R)
• M65: 17,400,177 km (0.115 R)
• M66: 17,715,230 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.1

Radius: 11.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.65 AU - 7.95 AU

Year: 7511 Days

Day: 10.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 42,802,552 km

• M1: 162,463 km (0.106 R)
• M2: 299,345 km (0.055 R)
• M3: 432,338 km (0.102 R)
• M4: 513,420 km (0.102 R)
• M5: 647,011 km (0.118 R)
• M6: 768,185 km (0.069 R)
• M7: 1,240,316 km (0.091 R)
• M8: 1,442,871 km (0.108 R)
• M9: 1,639,593 km (0.111 R)
• M10: 1,898,247 km (0.084 R)
• M11: 2,207,466 km (0.115 R)
• M12: 2,455,051 km (0.067 R)
• M13: 2,611,829 km (0.08 R)
• M14: 2,977,147 km (0.087 R)
• M15: 3,102,660 km (0.098 R)
• M16: 3,467,679 km (0.076 R)
• M17: 3,644,354 km (0.055 R)
• M18: 4,029,718 km (0.076 R)
• M19: 4,168,844 km (0.067 R)
• M20: 5,237,870 km (0.03 R)
• M21: 5,313,716 km (0.116 R)
• M22: 5,415,443 km (0.063 R)
• M23: 5,517,917 km (0.119 R)
• M24: 6,414,457 km (0.068 R)
• M25: 6,741,778 km (0.101 R)
• M26: 6,935,208 km (0.119 R)
• M27: 7,299,479 km (0.091 R)
• M28: 7,384,450 km (0.117 R)
• M29: 7,641,310 km (0.11 R)
• M30: 8,163,705 km (0.076 R)
• M31: 8,969,140 km (0.036 R)
• M32: 9,212,686 km (0.069 R)
• M33: 9,335,356 km (0.12 R)
• M34: 9,582,192 km (0.099 R)
• M35: 9,862,389 km (0.081 R)
• M36: 10,050,883 km (0.052 R)
• M37: 10,272,138 km (0.065 R)
• M38: 10,367,432 km (0.099 R)
• M39: 10,623,094 km (0.066 R)
• M40: 13,188,698 km (0.076 R)
• M41: 14,557,818 km (0.081 R)
• M42: 14,880,201 km (0.111 R)
• M43: 15,605,003 km (0.069 R)
• M44: 15,934,866 km (0.098 R)
• M45: 16,230,172 km (0.071 R)
• M46: 16,304,223 km (0.12 R)
• M47: 16,415,524 km (0.095 R)
• M48: 16,639,023 km (0.059 R)
• M49: 16,976,067 km (0.098 R)
• M50: 17,239,808 km (0.04 R)
• M51: 17,733,182 km (0.073 R)
• M52: 18,231,343 km (0.115 R)
• M53: 18,308,386 km (0.068 R)
• M54: 18,733,992 km (0.056 R)
• M55: 19,595,077 km (0.12 R)
• M56: 19,753,052 km (0.096 R)
• M57: 20,109,993 km (0.118 R)
• M58: 21,072,206 km (0.082 R)
• M59: 21,274,612 km (0.118 R)
• M60: 22,585,090 km (0.062 R)
• M61: 22,916,748 km (0.085 R)
• M62: 22,999,925 km (0.034 R)
• M63: 23,542,965 km (0.096 R)
• M64: 24,471,668 km (0.051 R)
• M65: 24,769,667 km (0.112 R)
• M66: 25,412,340 km (0.051 R)
• M67: 25,498,508 km (0.067 R)
• M68: 26,452,045 km (0.092 R)
• M69: 27,771,199 km (0.1 R)
• M70: 28,707,233 km (0.105 R)
• M71: 29,246,833 km (0.113 R)
• M72: 29,472,576 km (0.1 R)
• M73: 30,290,278 km (0.099 R)
• M74: 30,381,682 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.1

Radius: 7.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 9.03 AU - 14.79 AU

Year: 15652 Days

Day: 20.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 42,802,552 km

• M1: 90,956 km (0.113 R)
• M2: 268,678 km (0.101 R)
• M3: 483,800 km (0.101 R)
• M4: 552,764 km (0.103 R)
• M5: 610,659 km (0.118 R)
• M6: 863,778 km (0.093 R)
• M7: 931,995 km (0.097 R)
• M8: 2,137,903 km (0.062 R)
• M9: 2,208,214 km (0.106 R)
• M10: 2,645,788 km (0.087 R)
• M11: 2,746,617 km (0.09 R)
• M12: 3,136,469 km (0.03 R)
• M13: 3,627,000 km (0.1 R)
• M14: 3,881,317 km (0.11 R)
• M15: 4,317,993 km (0.114 R)
• M16: 4,437,073 km (0.067 R)
• M17: 4,770,227 km (0.095 R)
• M18: 4,893,496 km (0.105 R)
• M19: 5,174,441 km (0.064 R)
• M20: 5,428,608 km (0.046 R)
• M21: 5,525,098 km (0.117 R)
• M22: 5,883,385 km (0.098 R)
• M23: 6,148,772 km (0.109 R)
• M24: 6,215,642 km (0.068 R)
• M25: 6,794,586 km (0.115 R)
• M26: 7,604,957 km (0.076 R)
• M27: 7,712,967 km (0.112 R)
• M28: 8,858,139 km (0.068 R)
• M29: 9,085,827 km (0.075 R)
• M30: 9,315,609 km (0.101 R)
• M31: 9,392,502 km (0.079 R)
• M32: 9,624,828 km (0.118 R)
• M33: 10,055,520 km (0.089 R)
• M34: 10,612,772 km (0.098 R)
• M35: 11,016,986 km (0.091 R)
• M36: 11,923,848 km (0.116 R)
• M37: 12,133,285 km (0.1 R)
• M38: 12,301,732 km (0.066 R)
• M39: 12,513,413 km (0.058 R)
• M40: 13,112,403 km (0.086 R)
• M41: 15,010,052 km (0.1 R)
• M42: 16,106,006 km (0.061 R)
• M43: 16,430,484 km (0.12 R)
• M44: 17,464,355 km (0.069 R)
• M45: 18,664,578 km (0.089 R)
• M46: 20,189,429 km (0.12 R)
• M47: 20,439,108 km (0.04 R)
• M48: 21,498,860 km (0.093 R)
• M49: 22,266,895 km (0.086 R)
• M50: 22,628,324 km (0.1 R)
• M51: 23,461,733 km (0.118 R)
• M52: 24,199,251 km (0.115 R)
• M53: 25,696,875 km (0.1 R)
• M54: 26,402,379 km (0.119 R)
• M55: 28,277,588 km (0.088 R)
• M56: 30,709,750 km (0.052 R)
• M57: 31,227,359 km (0.034 R)
• M58: 31,979,986 km (0.097 R)
• M59: 32,855,732 km (0.088 R)
• M60: 33,857,888 km (0.097 R)
• M61: 35,049,584 km (0.083 R)
• M62: 35,409,816 km (0.076 R)
• M63: 36,315,631 km (0.078 R)
• M64: 38,892,454 km (0.059 R)
• M65: 39,701,929 km (0.107 R)
• M66: 39,764,460 km (0.118 R)
• M67: 40,328,295 km (0.067 R)
• M68: 41,147,642 km (0.105 R)
• M69: 41,972,375 km (0.071 R)
• M70: 42,291,019 km (0.085 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: 308 - 15,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit