🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.73 AU - 0.85 AU

Year: 248 Days

Day: 27 Hours

Environment

Temp: 208 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 37,572,555 km

• M1: 254,616 km (0.098 R)
• M2: 419,622 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.56 AU - 1.94 AU

Year: 817 Days

Day: 26.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.09 AU - 5.35 AU

Year: 4211 Days

Day: 35.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.79 AU - 5.85 AU

Year: 4333 Days

Day: 25.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 9.7

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.77 AU - 10.89 AU

Year: 12585 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 37,572,555 km

• M1: 126,261 km (0.068 R)
• M2: 224,995 km (0.109 R)
• M3: 326,273 km (0.105 R)
• M4: 464,651 km (0.119 R)
• M5: 533,466 km (0.054 R)
• M6: 1,047,185 km (0.027 R)
• M7: 1,141,282 km (0.068 R)
• M8: 1,600,996 km (0.102 R)
• M9: 2,420,643 km (0.067 R)
• M10: 3,007,665 km (0.05 R)
• M11: 3,710,027 km (0.095 R)
• M12: 4,307,671 km (0.084 R)
• M13: 4,539,398 km (0.106 R)
• M14: 5,507,446 km (0.098 R)
• M15: 5,972,097 km (0.097 R)
• M16: 6,670,419 km (0.025 R)
• M17: 8,430,289 km (0.108 R)
• M18: 8,575,100 km (0.037 R)
• M19: 8,818,346 km (0.028 R)
• M20: 8,916,183 km (0.118 R)
• M21: 9,014,468 km (0.034 R)
• M22: 9,212,087 km (0.083 R)
• M23: 9,361,236 km (0.11 R)
• M24: 9,662,078 km (0.102 R)
• M25: 10,479,630 km (0.063 R)
• M26: 10,583,301 km (0.063 R)
• M27: 11,001,876 km (0.115 R)
• M28: 12,126,104 km (0.09 R)
• M29: 12,508,925 km (0.101 R)
• M30: 12,619,029 km (0.116 R)
• M31: 14,136,999 km (0.067 R)
• M32: 14,539,866 km (0.079 R)
• M33: 15,122,101 km (0.069 R)
• M34: 16,550,162 km (0.096 R)
• M35: 17,341,684 km (0.111 R)
• M36: 18,332,621 km (0.099 R)
• M37: 18,961,231 km (0.063 R)
• M38: 21,085,670 km (0.111 R)
• M39: 21,282,541 km (0.092 R)
• M40: 21,414,187 km (0.074 R)
• M41: 22,409,611 km (0.094 R)
• M42: 22,879,349 km (0.051 R)
• M43: 23,896,764 km (0.114 R)
• M44: 25,345,769 km (0.088 R)
• M45: 27,107,733 km (0.056 R)
• M46: 27,464,972 km (0.071 R)
• M47: 27,823,558 km (0.051 R)
• M48: 28,039,578 km (0.085 R)
• M49: 28,545,667 km (0.06 R)
• M50: 28,690,777 km (0.117 R)
• M51: 29,273,910 km (0.06 R)
• M52: 30,008,136 km (0.082 R)
• M53: 32,020,975 km (0.079 R)
• M54: 33,234,214 km (0.119 R)
• M55: 34,308,177 km (0.033 R)
• M56: 36,884,253 km (0.037 R)
• M57: 38,395,490 km (0.086 R)
• M58: 39,037,864 km (0.103 R)
• M59: 39,441,179 km (0.047 R)
• M60: 39,683,827 km (0.108 R)
• M61: 40,170,619 km (0.08 R)
• M62: 41,807,369 km (0.091 R)
• M63: 41,972,226 km (0.105 R)
• M64: 42,799,801 km (0.066 R)
• M65: 43,299,009 km (0.047 R)
• M66: 43,716,537 km (0.11 R)
• M67: 44,303,110 km (0.08 R)
• M68: 44,555,332 km (0.11 R)
• M69: 44,892,376 km (0.105 R)
• M70: 45,908,595 km (0.081 R)
• M71: 46,932,442 km (0.064 R)
• M72: 47,877,602 km (0.1 R)
• M73: 48,655,511 km (0.056 R)
• M74: 49,089,494 km (0.073 R)
• M75: 51,190,447 km (0.113 R)
• M76: 52,874,470 km (0.079 R)
• M77: 53,231,410 km (0.079 R)
• M78: 55,933,148 km (0.11 R)
• M79: 57,575,433 km (0.069 R)
• M80: 58,218,405 km (0.086 R)
• M81: 59,233,726 km (0.085 R)
• M82: 60,720,729 km (0.112 R)
• M83: 60,907,427 km (0.076 R)
• M84: 62,596,835 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.5

Radius: 13.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 8.97 AU - 14.71 AU

Year: 14386 Days

Day: 9.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 37,572,555 km

• M1: 178,620 km (0.08 R)
• M2: 365,916 km (0.117 R)
• M3: 485,894 km (0.069 R)
• M4: 727,943 km (0.105 R)
• M5: 1,271,133 km (0.099 R)
• M6: 1,942,229 km (0.117 R)
• M7: 2,139,549 km (0.069 R)
• M8: 4,223,148 km (0.078 R)
• M9: 4,963,807 km (0.113 R)
• M10: 6,031,038 km (0.101 R)
• M11: 6,456,195 km (0.092 R)
• M12: 6,918,453 km (0.048 R)
• M13: 7,167,533 km (0.026 R)
• M14: 7,646,396 km (0.058 R)
• M15: 7,961,748 km (0.095 R)
• M16: 8,546,078 km (0.085 R)
• M17: 8,873,547 km (0.11 R)
• M18: 9,265,643 km (0.054 R)
• M19: 9,880,341 km (0.078 R)
• M20: 10,129,870 km (0.067 R)
• M21: 10,987,515 km (0.096 R)
• M22: 11,376,320 km (0.088 R)
• M23: 11,769,463 km (0.108 R)
• M24: 12,133,883 km (0.104 R)
• M25: 12,367,854 km (0.091 R)
• M26: 12,738,408 km (0.117 R)
• M27: 13,010,078 km (0.101 R)
• M28: 13,663,372 km (0.085 R)
• M29: 14,046,492 km (0.106 R)
• M30: 14,680,937 km (0.104 R)
• M31: 14,965,921 km (0.11 R)
• M32: 16,161,058 km (0.079 R)
• M33: 16,751,521 km (0.093 R)
• M34: 16,863,121 km (0.097 R)
• M35: 17,049,520 km (0.087 R)
• M36: 17,499,660 km (0.055 R)
• M37: 17,839,845 km (0.049 R)
• M38: 18,680,585 km (0.086 R)
• M39: 21,279,998 km (0.105 R)
• M40: 21,521,898 km (0.05 R)
• M41: 21,967,699 km (0.091 R)
• M42: 22,662,731 km (0.038 R)
• M43: 23,282,066 km (0.084 R)
• M44: 23,531,296 km (0.064 R)
• M45: 24,875,732 km (0.058 R)
• M46: 26,982,519 km (0.04 R)
• M47: 28,788,764 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.2

Radius: 6.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 10.99 AU - 17.33 AU

Year: 18815 Days

Day: 18.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 37,572,555 km

• M1: 127,757 km (0.057 R)
• M2: 182,809 km (0.059 R)
• M3: 241,750 km (0.112 R)
• M4: 430,543 km (0.108 R)
• M5: 1,199,625 km (0.088 R)
• M6: 1,305,840 km (0.117 R)
• M7: 1,584,840 km (0.09 R)
• M8: 2,154,509 km (0.101 R)
• M9: 2,284,210 km (0.074 R)
• M10: 2,642,946 km (0.116 R)
• M11: 3,437,609 km (0.101 R)
• M12: 3,666,494 km (0.108 R)
• M13: 5,285,592 km (0.117 R)
• M14: 5,668,712 km (0.03 R)
• M15: 6,368,082 km (0.091 R)
• M16: 7,549,457 km (0.111 R)
• M17: 7,615,280 km (0.076 R)
• M18: 7,780,436 km (0.104 R)
• M19: 7,847,007 km (0.037 R)
• M20: 8,521,693 km (0.112 R)
• M21: 8,624,467 km (0.063 R)
• M22: 8,727,689 km (0.117 R)
• M23: 10,361,448 km (0.043 R)
• M24: 10,655,108 km (0.036 R)
• M25: 11,212,959 km (0.047 R)
• M26: 11,818,531 km (0.12 R)
• M27: 12,746,636 km (0.112 R)
• M28: 12,864,370 km (0.097 R)
• M29: 13,219,515 km (0.039 R)
• M30: 13,778,413 km (0.098 R)
• M31: 14,304,249 km (0.066 R)
• M32: 14,467,311 km (0.091 R)
• M33: 14,713,250 km (0.104 R)
• M34: 15,084,552 km (0.11 R)
• M35: 16,174,671 km (0.083 R)
• M36: 16,302,129 km (0.111 R)
• M37: 16,344,764 km (0.052 R)
• M38: 16,600,726 km (0.067 R)
• M39: 16,815,100 km (0.098 R)
• M40: 16,901,119 km (0.103 R)
• M41: 17,463,906 km (0.112 R)
• M42: 18,032,677 km (0.117 R)
• M43: 18,607,582 km (0.028 R)
• M44: 19,009,102 km (0.058 R)
• M45: 19,143,591 km (0.092 R)
• M46: 19,684,686 km (0.119 R)
• M47: 20,322,272 km (0.056 R)
• M48: 20,874,288 km (0.089 R)
• M49: 21,337,892 km (0.093 R)
• M50: 21,992,832 km (0.112 R)
• M51: 22,987,508 km (0.025 R)
• M52: 23,948,375 km (0.089 R)
• M53: 24,142,104 km (0.08 R)
• M54: 24,336,432 km (0.111 R)
• M55: 25,859,488 km (0.116 R)
• M56: 26,058,303 km (0.077 R)
• M57: 26,407,465 km (0.117 R)
• M58: 26,607,627 km (0.063 R)
• M59: 26,657,742 km (0.115 R)
• M60: 26,858,503 km (0.071 R)
• M61: 27,059,861 km (0.049 R)
• M62: 28,329,349 km (0.095 R)
• M63: 29,307,120 km (0.08 R)
• M64: 29,514,314 km (0.111 R)
• M65: 29,566,224 km (0.111 R)
• M66: 29,722,105 km (0.117 R)
• M67: 29,826,075 km (0.094 R)
• M68: 30,400,531 km (0.11 R)
• M69: 30,452,891 km (0.098 R)
• M70: 31,454,299 km (0.041 R)
• M71: 31,666,578 km (0.085 R)
• M72: 32,734,707 km (0.056 R)
• M73: 33,003,534 km (0.101 R)
• M74: 34,031,870 km (0.058 R)
• M75: 34,304,288 km (0.115 R)
• M76: 35,345,938 km (0.086 R)
• M77: 35,676,998 km (0.063 R)
• M78: 35,732,349 km (0.063 R)
• M79: 36,732,261 km (0.091 R)
• M80: 36,843,861 km (0.11 R)
• M81: 37,291,757 km (0.11 R)
• M82: 37,403,956 km (0.105 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 14,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit