🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.53 AU - 0.55 AU

Year: 149 Days

Day: 19.2 Hours

Environment

Temp: 215 °C

Axial Tilt: 3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.74 AU - 0.78 AU

Year: 248 Days

Day: 35.4 Hours

Environment

Temp: 167 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.78 AU - 0.92 AU

Year: 294 Days

Day: 27.7 Hours

Environment

Temp: 136 °C

Axial Tilt: 118.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.81 AU - 0.93 AU

Year: 304 Days

Day: 27.1 Hours

Environment

Temp: 34 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.59 AU - 3.63 AU

Year: 2055 Days

Day: 14.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 47.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 113,534,305 km

• M1: 297,251 km (0.109 R)
• M2: 1,193,043 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.04 AU - 3.42 AU

Year: 2175 Days

Day: 26.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.9

Radius: 12.3

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.97 AU - 5.31 AU

Year: 4367 Days

Day: 12.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 113,534,305 km

• M1: 170,542 km (0.052 R)
• M2: 250,128 km (0.098 R)
• M3: 444,306 km (0.052 R)
• M4: 1,012,927 km (0.107 R)
• M5: 1,358,199 km (0.103 R)
• M6: 1,710,801 km (0.11 R)
• M7: 1,799,812 km (0.079 R)
• M8: 2,500,528 km (0.07 R)
• M9: 2,705,627 km (0.097 R)
• M10: 3,096,227 km (0.118 R)
• M11: 3,871,593 km (0.079 R)
• M12: 4,230,777 km (0.065 R)
• M13: 4,312,009 km (0.065 R)
• M14: 4,959,768 km (0.053 R)
• M15: 5,045,637 km (0.041 R)
• M16: 5,393,901 km (0.107 R)
• M17: 5,976,734 km (0.051 R)
• M18: 6,275,780 km (0.088 R)
• M19: 7,275,244 km (0.115 R)
• M20: 7,422,149 km (0.071 R)
• M21: 7,994,211 km (0.111 R)
• M22: 8,247,480 km (0.074 R)
• M23: 8,451,831 km (0.1 R)
• M24: 8,632,246 km (0.091 R)
• M25: 8,735,768 km (0.06 R)
• M26: 9,180,821 km (0.057 R)
• M27: 9,366,323 km (0.093 R)
• M28: 9,848,776 km (0.05 R)
• M29: 10,394,359 km (0.066 R)
• M30: 10,949,966 km (0.083 R)
• M31: 11,259,633 km (0.045 R)
• M32: 11,372,879 km (0.12 R)
• M33: 11,515,146 km (0.087 R)
• M34: 11,629,290 km (0.082 R)
• M35: 12,410,041 km (0.057 R)
• M36: 12,851,055 km (0.094 R)
• M37: 12,939,917 km (0.1 R)
• M38: 13,447,203 km (0.098 R)
• M39: 13,688,056 km (0.114 R)
• M40: 13,869,817 km (0.095 R)
• M41: 14,113,362 km (0.084 R)
• M42: 14,821,259 km (0.03 R)
• M43: 15,195,254 km (0.113 R)
• M44: 15,698,651 km (0.104 R)
• M45: 17,602,284 km (0.109 R)
• M46: 18,530,987 km (0.119 R)
• M47: 18,732,197 km (0.063 R)
• M48: 18,833,026 km (0.08 R)
• M49: 19,035,132 km (0.052 R)
• M50: 19,475,698 km (0.063 R)
• M51: 19,988,220 km (0.088 R)
• M52: 20,678,465 km (0.08 R)
• M53: 20,782,735 km (0.101 R)
• M54: 20,956,867 km (0.104 R)
• M55: 21,446,949 km (0.1 R)
• M56: 21,834,557 km (0.101 R)
• M57: 22,082,441 km (0.054 R)
• M58: 22,760,119 km (0.084 R)
• M59: 23,155,656 km (0.084 R)
• M60: 23,517,084 km (0.075 R)
• M61: 24,062,818 km (0.073 R)
• M62: 24,465,685 km (0.104 R)
• M63: 24,575,938 km (0.063 R)
• M64: 24,723,143 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.2

Radius: 10.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.41 AU - 7.03 AU

Year: 5127 Days

Day: 6.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 113,534,305 km

• M1: 162,613 km (0.084 R)
• M2: 261,946 km (0.105 R)
• M3: 380,876 km (0.104 R)
• M4: 468,840 km (0.06 R)
• M5: 915,689 km (0.078 R)
• M6: 1,115,252 km (0.069 R)
• M7: 1,210,845 km (0.104 R)
• M8: 1,557,015 km (0.057 R)
• M9: 1,643,033 km (0.059 R)
• M10: 2,014,934 km (0.034 R)
• M11: 2,156,902 km (0.115 R)
• M12: 2,526,259 km (0.076 R)
• M13: 3,049,702 km (0.109 R)
• M14: 3,158,460 km (0.096 R)
• M15: 3,366,102 km (0.064 R)
• M16: 3,506,873 km (0.084 R)
• M17: 4,000,546 km (0.087 R)
• M18: 4,149,995 km (0.049 R)
• M19: 4,439,018 km (0.074 R)
• M20: 4,562,585 km (0.092 R)
• M21: 4,829,318 km (0.041 R)
• M22: 5,460,322 km (0.091 R)
• M23: 6,083,098 km (0.102 R)
• M24: 6,168,967 km (0.118 R)
• M25: 6,359,405 km (0.101 R)
• M26: 6,728,314 km (0.108 R)
• M27: 6,924,287 km (0.097 R)
• M28: 7,413,622 km (0.088 R)
• M29: 7,616,177 km (0.069 R)
• M30: 8,656,331 km (0.062 R)
• M31: 9,640,236 km (0.078 R)
• M32: 9,821,100 km (0.074 R)
• M33: 10,576,420 km (0.091 R)
• M34: 10,763,118 km (0.101 R)
• M35: 10,929,920 km (0.098 R)
• M36: 12,099,625 km (0.098 R)
• M37: 12,360,075 km (0.077 R)
• M38: 14,030,036 km (0.094 R)
• M39: 14,763,814 km (0.073 R)
• M40: 15,463,184 km (0.083 R)
• M41: 15,888,042 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.2

Radius: 4.7

Gravity: 39.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 16.2 AU - 22.8 AU

Year: 32269 Days

Day: 18.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 113,534,305 km

• M1: 124,914 km (0.109 R)
• M2: 480,359 km (0.108 R)
• M3: 932,444 km (0.099 R)
• M4: 2,626,041 km (0.106 R)
• M5: 2,674,361 km (0.096 R)
• M6: 3,071,394 km (0.109 R)
• M7: 5,562,498 km (0.027 R)
• M8: 5,812,625 km (0.07 R)
• M9: 6,002,615 km (0.116 R)
• M10: 6,323,951 km (0.059 R)
• M11: 7,389,088 km (0.106 R)
• M12: 7,526,119 km (0.099 R)
• M13: 8,223,694 km (0.106 R)
• M14: 9,382,330 km (0.069 R)
• M15: 9,530,731 km (0.075 R)
• M16: 9,980,572 km (0.03 R)
• M17: 10,360,700 km (0.097 R)
• M18: 12,331,203 km (0.062 R)
• M19: 12,657,027 km (0.086 R)
• M20: 12,738,857 km (0.091 R)
• M21: 13,150,999 km (0.107 R)
• M22: 13,567,480 km (0.041 R)
• M23: 13,735,328 km (0.075 R)
• M24: 14,413,456 km (0.105 R)
• M25: 14,584,745 km (0.077 R)
• M26: 14,842,802 km (0.113 R)
• M27: 16,067,260 km (0.045 R)
• M28: 17,688,303 km (0.079 R)
• M29: 18,425,521 km (0.103 R)
• M30: 18,518,272 km (0.104 R)
• M31: 18,704,371 km (0.105 R)
• M32: 19,172,463 km (0.099 R)
• M33: 20,024,722 km (0.053 R)
• M34: 20,986,188 km (0.053 R)
• M35: 21,570,068 km (0.053 R)
• M36: 22,953,549 km (0.079 R)
• M37: 23,053,331 km (0.097 R)
• M38: 23,857,868 km (0.113 R)
• M39: 24,060,424 km (0.063 R)
• M40: 24,161,851 km (0.049 R)
• M41: 24,263,428 km (0.032 R)
• M42: 25,184,502 km (0.034 R)
• M43: 25,287,575 km (0.099 R)
• M44: 31,498,729 km (0.078 R)
• M45: 31,720,882 km (0.091 R)
• M46: 32,614,879 km (0.112 R)
• M47: 34,085,127 km (0.045 R)
• M48: 34,885,775 km (0.108 R)
• M49: 36,156,309 km (0.116 R)
• M50: 36,272,697 km (0.091 R)
• M51: 37,207,234 km (0.108 R)
• M52: 37,324,519 km (0.109 R)
• M53: 39,577,912 km (0.107 R)
• M54: 40,539,826 km (0.091 R)
• M55: 43,224,510 km (0.098 R)
• M56: 48,378,605 km (0.086 R)
• M57: 50,832,010 km (0.086 R)
• M58: 52,797,277 km (0.119 R)
• M59: 54,653,787 km (0.119 R)
• M60: 56,936,800 km (0.113 R)
• M61: 57,207,572 km (0.072 R)
• M62: 58,158,117 km (0.106 R)
• M63: 59,250,780 km (0.12 R)
• M64: 60,764,411 km (0.038 R)
• M65: 60,902,640 km (0.083 R)
• M66: 61,317,923 km (0.047 R)
• M67: 61,595,427 km (0.096 R)
• M68: 61,734,254 km (0.104 R)
• M69: 66,802,032 km (0.093 R)
• M70: 68,089,620 km (0.119 R)
• M71: 72,733,737 km (0.107 R)
• M72: 73,910,623 km (0.081 R)
• M73: 75,687,846 km (0.061 R)
• M74: 75,985,396 km (0.107 R)
• M75: 78,379,710 km (0.111 R)
• M76: 79,888,853 km (0.042 R)
• M77: 80,647,015 km (0.075 R)
• M78: 84,010,873 km (0.066 R)
• M79: 84,164,959 km (0.119 R)
• M80: 85,090,820 km (0.068 R)
• M81: 86,486,119 km (0.115 R)
• M82: 87,888,899 km (0.084 R)
• M83: 91,507,671 km (0.076 R)
• M84: 96,623,021 km (0.113 R)
• M85: 98,890,027 km (0.091 R)
• M86: 100,030,112 km (0.087 R)
• M87: 101,994,482 km (0.088 R)
• M88: 103,476,249 km (0.104 R)
• M89: 103,806,411 km (0.096 R)
• M90: 105,795,165 km (0.099 R)
• M91: 106,794,330 km (0.11 R)
• M92: 112,175,365 km (0.119 R)
• M93: 112,684,297 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 15,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit