🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.58 AU - 0.78 AU

Year: 208 Days

Day: 41.2 Hours

Environment

Temp: 202 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.81 AU - 1.33 AU

Year: 410 Days

Day: 36 Hours

Environment

Temp: 8 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.91 AU - 1.51 AU

Year: 494 Days

Day: 23.6 Hours

Environment

Temp: -10 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,894,619 km

• M1: 261,497 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.37 AU - 1.63 AU

Year: 681 Days

Day: 20.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.36 AU - 1.98 AU

Year: 800 Days

Day: 21.6 Hours

Environment

Temp: -53 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.58 AU - 2.44 AU

Year: 1057 Days

Day: 29.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.03 AU - 3.73 AU

Year: 2305 Days

Day: 19 Hours

Environment

Temp: -122 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.4

Radius: 8.2

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.3 AU - 9.74 AU

Year: 9223 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 57,894,619 km

• M1: 212,429 km (0.101 R)
• M2: 524,341 km (0.047 R)
• M3: 613,650 km (0.116 R)
• M4: 692,189 km (0.07 R)
• M5: 895,642 km (0.054 R)
• M6: 1,235,978 km (0.112 R)
• M7: 1,441,824 km (0.119 R)
• M8: 1,614,610 km (0.096 R)
• M9: 2,051,884 km (0.111 R)
• M10: 2,576,524 km (0.117 R)
• M11: 2,733,901 km (0.078 R)
• M12: 2,787,008 km (0.099 R)
• M13: 2,975,950 km (0.105 R)
• M14: 3,509,566 km (0.118 R)
• M15: 4,225,691 km (0.103 R)
• M16: 4,411,641 km (0.096 R)
• M17: 4,505,738 km (0.083 R)
• M18: 4,663,863 km (0.107 R)
• M19: 4,727,742 km (0.06 R)
• M20: 5,348,273 km (0.077 R)
• M21: 5,482,313 km (0.115 R)
• M22: 5,651,359 km (0.107 R)
• M23: 5,994,536 km (0.119 R)
• M24: 6,098,806 km (0.113 R)
• M25: 6,168,668 km (0.108 R)
• M26: 6,629,280 km (0.1 R)
• M27: 6,737,140 km (0.111 R)
• M28: 6,918,303 km (0.025 R)
• M29: 7,885,902 km (0.094 R)
• M30: 8,115,236 km (0.063 R)
• M31: 9,094,204 km (0.065 R)
• M32: 9,254,274 km (0.087 R)
• M33: 9,617,946 km (0.08 R)
• M34: 9,699,328 km (0.093 R)
• M35: 9,821,998 km (0.084 R)
• M36: 10,151,412 km (0.107 R)
• M37: 11,161,497 km (0.103 R)
• M38: 11,247,217 km (0.113 R)
• M39: 11,765,573 km (0.079 R)
• M40: 13,548,930 km (0.113 R)
• M41: 14,053,972 km (0.096 R)
• M42: 14,471,948 km (0.113 R)
• M43: 15,177,302 km (0.111 R)
• M44: 15,701,793 km (0.082 R)
• M45: 16,915,779 km (0.118 R)
• M46: 17,261,201 km (0.104 R)
• M47: 17,360,235 km (0.081 R)
• M48: 17,558,900 km (0.099 R)
• M49: 18,059,156 km (0.11 R)
• M50: 18,564,049 km (0.103 R)
• M51: 18,665,626 km (0.059 R)
• M52: 20,629,546 km (0.105 R)
• M53: 20,682,055 km (0.117 R)
• M54: 21,689,298 km (0.046 R)
• M55: 22,172,050 km (0.11 R)
• M56: 22,333,765 km (0.104 R)
• M57: 23,421,641 km (0.089 R)
• M58: 24,082,564 km (0.081 R)
• M59: 25,366,563 km (0.078 R)
• M60: 26,215,980 km (0.105 R)
• M61: 27,594,225 km (0.027 R)
• M62: 27,768,207 km (0.12 R)
• M63: 28,117,219 km (0.086 R)
• M64: 28,292,249 km (0.086 R)
• M65: 28,643,355 km (0.116 R)
• M66: 28,937,165 km (0.03 R)
• M67: 28,995,957 km (0.114 R)
• M68: 30,420,727 km (0.084 R)
• M69: 31,686,026 km (0.112 R)
• M70: 32,661,554 km (0.075 R)
• M71: 33,585,021 km (0.091 R)
• M72: 33,708,739 km (0.092 R)
• M73: 35,520,668 km (0.082 R)
• M74: 36,216,149 km (0.102 R)
• M75: 37,749,227 km (0.113 R)
• M76: 37,813,555 km (0.106 R)
• M77: 37,877,882 km (0.11 R)
• M78: 38,006,685 km (0.111 R)
• M79: 38,523,546 km (0.054 R)
• M80: 38,588,322 km (0.117 R)
• M81: 38,782,949 km (0.096 R)
• M82: 40,219,537 km (0.07 R)
• M83: 40,285,211 km (0.107 R)
• M84: 40,812,244 km (0.091 R)
• M85: 40,878,217 km (0.027 R)
• M86: 43,751,244 km (0.112 R)
• M87: 44,021,717 km (0.084 R)
• M88: 45,382,908 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.3

Radius: 5.3

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 11.86 AU - 17.94 AU

Year: 21330 Days

Day: 15.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 57,894,619 km

• M1: 86,318 km (0.081 R)
• M2: 141,968 km (0.115 R)
• M3: 194,028 km (0.081 R)
• M4: 958,623 km (0.084 R)
• M5: 1,002,156 km (0.074 R)
• M6: 1,068,877 km (0.052 R)
• M7: 1,114,055 km (0.029 R)
• M8: 1,301,501 km (0.104 R)
• M9: 1,349,971 km (0.116 R)
• M10: 1,399,039 km (0.055 R)
• M11: 1,706,014 km (0.03 R)
• M12: 1,786,049 km (0.027 R)
• M13: 2,291,839 km (0.055 R)
• M14: 2,870,783 km (0.097 R)
• M15: 3,391,982 km (0.036 R)
• M16: 4,299,443 km (0.104 R)
• M17: 4,742,253 km (0.109 R)
• M18: 5,199,573 km (0.101 R)
• M19: 5,316,110 km (0.071 R)
• M20: 5,591,370 km (0.085 R)
• M21: 6,237,782 km (0.068 R)
• M22: 6,486,264 km (0.032 R)
• M23: 6,611,777 km (0.105 R)
• M24: 6,865,196 km (0.094 R)
• M25: 8,179,114 km (0.064 R)
• M26: 8,359,978 km (0.05 R)
• M27: 8,771,970 km (0.108 R)
• M28: 8,818,196 km (0.086 R)
• M29: 9,143,721 km (0.039 R)
• M30: 9,568,130 km (0.116 R)
• M31: 9,663,274 km (0.056 R)
• M32: 9,950,802 km (0.087 R)
• M33: 9,998,972 km (0.104 R)
• M34: 10,143,932 km (0.087 R)
• M35: 10,289,641 km (0.06 R)
• M36: 10,338,410 km (0.11 R)
• M37: 12,091,397 km (0.063 R)
• M38: 13,292,519 km (0.081 R)
• M39: 13,772,878 km (0.092 R)
• M40: 15,247,613 km (0.109 R)
• M41: 16,031,805 km (0.096 R)
• M42: 16,371,841 km (0.096 R)
• M43: 16,657,125 km (0.1 R)
• M44: 17,697,428 km (0.088 R)
• M45: 18,402,632 km (0.098 R)
• M46: 18,877,905 km (0.095 R)
• M47: 19,598,368 km (0.12 R)
• M48: 20,388,843 km (0.03 R)
• M49: 20,511,514 km (0.076 R)
• M50: 21,065,923 km (0.059 R)
• M51: 21,127,857 km (0.06 R)
• M52: 21,313,957 km (0.116 R)
• M53: 21,500,655 km (0.08 R)
• M54: 21,875,547 km (0.046 R)
• M55: 22,126,722 km (0.098 R)
• M56: 22,568,634 km (0.114 R)
• M57: 22,695,343 km (0.103 R)
• M58: 23,077,117 km (0.103 R)
• M59: 23,140,995 km (0.027 R)
• M60: 25,148,748 km (0.077 R)
• M61: 26,807,938 km (0.069 R)
• M62: 27,481,578 km (0.104 R)
• M63: 28,024,468 km (0.087 R)
• M64: 29,258,800 km (0.105 R)
• M65: 29,952,186 km (0.071 R)
• M66: 30,021,899 km (0.068 R)
• M67: 31,072,824 km (0.094 R)
• M68: 31,355,265 km (0.07 R)
• M69: 31,993,449 km (0.078 R)
• M70: 32,207,225 km (0.051 R)
• M71: 33,282,983 km (0.086 R)
• M72: 33,499,451 km (0.116 R)
• M73: 39,673,206 km (0.102 R)
• M74: 40,825,708 km (0.074 R)
• M75: 42,692,390 km (0.111 R)
• M76: 43,478,228 km (0.07 R)
• M77: 44,110,428 km (0.067 R)
• M78: 44,348,438 km (0.055 R)
• M79: 45,144,299 km (0.113 R)
• M80: 46,831,165 km (0.088 R)
• M81: 46,911,947 km (0.117 R)
• M82: 48,865,995 km (0.067 R)
• M83: 49,194,213 km (0.119 R)
• M84: 49,852,892 km (0.09 R)
• M85: 50,183,354 km (0.101 R)
• M86: 50,680,467 km (0.078 R)
• M87: 54,204,993 km (0.098 R)
• M88: 55,568,428 km (0.106 R)
• M89: 55,825,288 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 12,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit