🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.55 AU - 0.57 AU

Year: 155 Days

Day: 47.5 Hours

Environment

Temp: 201 °C

Axial Tilt: 25.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.58 AU - 0.64 AU

Year: 177 Days

Day: 15.7 Hours

Environment

Temp: 167 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,866,269 km

• M1: 88,113 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.49 AU - 0.77 AU

Year: 185 Days

Day: 28 Hours

Environment

Temp: 127 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,866,269 km

• M1: 254,017 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.66 AU - 0.7 AU

Year: 208 Days

Day: 37.5 Hours

Environment

Temp: 142 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.87 AU - 1.39 AU

Year: 445 Days

Day: 31.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.57 AU - 2.45 AU

Year: 1057 Days

Day: 18.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.21 AU - 4.25 AU

Year: 2672 Days

Day: 33.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.89 AU - 4.31 AU

Year: 3079 Days

Day: 17.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.7

Radius: 10.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.06 AU - 5.88 AU

Year: 4109 Days

Day: 5.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 53,866,269 km

• M1: 173,982 km (0.07 R)
• M2: 520,601 km (0.102 R)
• M3: 675,734 km (0.086 R)
• M4: 768,335 km (0.099 R)
• M5: 883,675 km (0.065 R)
• M6: 1,044,044 km (0.075 R)
• M7: 1,204,113 km (0.058 R)
• M8: 1,394,252 km (0.086 R)
• M9: 1,470,996 km (0.051 R)
• M10: 1,663,528 km (0.115 R)
• M11: 1,852,470 km (0.095 R)
• M12: 1,925,175 km (0.093 R)
• M13: 2,023,610 km (0.094 R)
• M14: 2,149,123 km (0.102 R)
• M15: 2,290,343 km (0.072 R)
• M16: 2,395,062 km (0.119 R)
• M17: 2,555,132 km (0.078 R)
• M18: 2,663,889 km (0.11 R)
• M19: 2,829,943 km (0.062 R)
• M20: 2,985,226 km (0.07 R)
• M21: 3,304,318 km (0.034 R)
• M22: 3,378,518 km (0.103 R)
• M23: 3,726,633 km (0.108 R)
• M24: 3,865,908 km (0.064 R)
• M25: 4,214,022 km (0.11 R)
• M26: 4,310,812 km (0.049 R)
• M27: 4,788,777 km (0.094 R)
• M28: 5,111,161 km (0.096 R)
• M29: 5,231,737 km (0.102 R)
• M30: 5,353,360 km (0.084 R)
• M31: 5,528,539 km (0.053 R)
• M32: 5,795,122 km (0.106 R)
• M33: 5,902,982 km (0.061 R)
• M34: 6,138,749 km (0.108 R)
• M35: 6,507,807 km (0.063 R)
• M36: 6,770,351 km (0.12 R)
• M37: 7,036,485 km (0.097 R)
• M38: 7,132,378 km (0.117 R)
• M39: 7,638,168 km (0.096 R)
• M40: 7,975,062 km (0.106 R)
• M41: 8,807,724 km (0.111 R)
• M42: 8,952,685 km (0.111 R)
• M43: 9,161,074 km (0.099 R)
• M44: 10,032,482 km (0.071 R)
• M45: 10,532,887 km (0.034 R)
• M46: 11,130,680 km (0.11 R)
• M47: 11,332,487 km (0.088 R)
• M48: 11,580,670 km (0.116 R)
• M49: 11,990,718 km (0.037 R)
• M50: 12,105,460 km (0.112 R)
• M51: 12,382,515 km (0.11 R)
• M52: 12,708,190 km (0.117 R)
• M53: 12,801,838 km (0.072 R)
• M54: 12,895,636 km (0.107 R)
• M55: 13,178,525 km (0.101 R)
• M56: 13,798,309 km (0.095 R)
• M57: 13,894,501 km (0.07 R)
• M58: 14,647,876 km (0.094 R)
• M59: 15,264,967 km (0.055 R)
• M60: 15,941,000 km (0.117 R)
• M61: 16,626,906 km (0.088 R)
• M62: 16,729,380 km (0.102 R)
• M63: 16,832,004 km (0.091 R)
• M64: 16,986,389 km (0.105 R)
• M65: 17,063,732 km (0.049 R)
• M66: 17,296,506 km (0.07 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672

Radius: 10.6

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.16 AU - 12.18 AU

Year: 12028 Days

Day: 6.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 53,866,269 km

• M1: 170,242 km (0.084 R)
• M2: 295,306 km (0.116 R)
• M3: 901,926 km (0.086 R)
• M4: 1,084,585 km (0.079 R)
• M5: 1,680,433 km (0.102 R)
• M6: 1,780,364 km (0.115 R)
• M7: 2,679,597 km (0.042 R)
• M8: 2,946,629 km (0.072 R)
• M9: 3,068,103 km (0.102 R)
• M10: 3,284,720 km (0.104 R)
• M11: 3,635,527 km (0.091 R)
• M12: 4,099,430 km (0.075 R)
• M13: 4,442,309 km (0.097 R)
• M14: 4,974,129 km (0.065 R)
• M15: 5,302,945 km (0.049 R)
• M16: 6,808,349 km (0.106 R)
• M17: 7,337,925 km (0.071 R)
• M18: 7,796,592 km (0.06 R)
• M19: 7,923,302 km (0.109 R)
• M20: 8,178,665 km (0.1 R)
• M21: 8,741,452 km (0.048 R)
• M22: 9,227,496 km (0.079 R)
• M23: 12,372,791 km (0.083 R)
• M24: 12,520,743 km (0.064 R)
• M25: 13,068,421 km (0.073 R)
• M26: 13,168,801 km (0.077 R)
• M27: 14,032,729 km (0.082 R)
• M28: 15,814,888 km (0.046 R)
• M29: 16,082,968 km (0.052 R)
• M30: 16,244,534 km (0.118 R)
• M31: 17,445,954 km (0.115 R)
• M32: 17,612,008 km (0.11 R)
• M33: 17,945,611 km (0.113 R)
• M34: 18,337,557 km (0.06 R)
• M35: 19,243,971 km (0.075 R)
• M36: 19,358,264 km (0.085 R)
• M37: 19,875,573 km (0.059 R)
• M38: 20,513,907 km (0.067 R)
• M39: 21,100,181 km (0.082 R)
• M40: 21,395,338 km (0.111 R)
• M41: 22,109,369 km (0.112 R)
• M42: 22,650,015 km (0.089 R)
• M43: 23,316,773 km (0.12 R)
• M44: 24,298,135 km (0.074 R)
• M45: 24,607,503 km (0.118 R)
• M46: 24,980,600 km (0.095 R)
• M47: 25,105,365 km (0.103 R)
• M48: 26,300,951 km (0.094 R)
• M49: 26,427,810 km (0.074 R)
• M50: 26,809,883 km (0.105 R)
• M51: 28,616,726 km (0.084 R)
• M52: 29,600,781 km (0.098 R)
• M53: 30,329,472 km (0.11 R)
• M54: 30,396,043 km (0.098 R)
• M55: 31,467,314 km (0.102 R)
• M56: 31,939,893 km (0.115 R)
• M57: 32,414,717 km (0.086 R)
• M58: 33,028,816 km (0.045 R)
• M59: 33,371,545 km (0.079 R)
• M60: 34,476,475 km (0.098 R)
• M61: 34,545,888 km (0.075 R)
• M62: 35,313,026 km (0.104 R)
• M63: 35,804,006 km (0.093 R)
• M64: 36,297,380 km (0.092 R)
• M65: 36,792,848 km (0.115 R)
• M66: 39,159,187 km (0.095 R)
• M67: 40,397,409 km (0.079 R)
• M68: 40,617,168 km (0.062 R)
• M69: 41,131,635 km (0.107 R)
• M70: 41,426,642 km (0.064 R)
• M71: 41,648,346 km (0.091 R)
• M72: 42,986,649 km (0.085 R)
• M73: 43,436,041 km (0.049 R)
• M74: 44,793,043 km (0.113 R)
• M75: 44,868,889 km (0.078 R)
• M76: 45,476,855 km (0.104 R)
• M77: 46,087,514 km (0.084 R)
• M78: 46,547,377 km (0.056 R)
• M79: 46,777,908 km (0.118 R)
• M80: 47,703,619 km (0.053 R)
• M81: 48,479,584 km (0.106 R)
• M82: 48,869,136 km (0.097 R)
• M83: 49,573,144 km (0.081 R)
• M84: 50,122,916 km (0.116 R)
• M85: 50,595,645 km (0.077 R)
• M86: 50,753,621 km (0.046 R)
• M87: 51,466,455 km (0.045 R)
• M88: 52,741,777 km (0.107 R)
• M89: 53,544,219 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 19,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit