🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.47 AU - 0.69 AU

Year: 154 Days

Day: 44 Hours

Environment

Temp: 272 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.96 AU - 1.14 AU

Year: 375 Days

Day: 33.7 Hours

Environment

Temp: 72 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.02 AU - 1.28 AU

Year: 429 Days

Day: 35.2 Hours

Environment

Temp: 29 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.76 AU - 2.16 AU

Year: 956 Days

Day: 12.3 Hours

Environment

Temp: -45 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.17 AU - 2.27 AU

Year: 1152 Days

Day: 17.9 Hours

Environment

Temp: -61 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.44 AU - 3.02 AU

Year: 1571 Days

Day: 46.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.59 AU - 4.17 AU

Year: 2662 Days

Day: 18.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193

Radius: 13

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.71 AU - 6.29 AU

Year: 5118 Days

Day: 8.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 36,837,343 km

• M1: 173,384 km (0.1 R)
• M2: 339,438 km (0.078 R)
• M3: 447,447 km (0.088 R)
• M4: 531,072 km (0.103 R)
• M5: 621,430 km (0.069 R)
• M6: 764,146 km (0.117 R)
• M7: 1,001,109 km (0.114 R)
• M8: 1,274,275 km (0.116 R)
• M9: 1,621,791 km (0.083 R)
• M10: 1,787,395 km (0.116 R)
• M11: 2,067,293 km (0.058 R)
• M12: 2,150,021 km (0.106 R)
• M13: 2,361,702 km (0.084 R)
• M14: 2,654,764 km (0.084 R)
• M15: 2,760,230 km (0.074 R)
• M16: 3,037,884 km (0.064 R)
• M17: 3,389,888 km (0.07 R)
• M18: 3,504,629 km (0.052 R)
• M19: 3,654,227 km (0.1 R)
• M20: 3,772,110 km (0.064 R)
• M21: 4,273,862 km (0.108 R)
• M22: 4,852,207 km (0.12 R)
• M23: 5,000,608 km (0.056 R)
• M24: 5,094,256 km (0.106 R)
• M25: 5,765,951 km (0.104 R)
• M26: 5,982,868 km (0.077 R)
• M27: 6,122,293 km (0.074 R)
• M28: 6,262,915 km (0.109 R)
• M29: 6,424,780 km (0.089 R)
• M30: 6,506,311 km (0.078 R)
• M31: 6,835,875 km (0.044 R)
• M32: 7,234,403 km (0.118 R)
• M33: 7,835,488 km (0.064 R)
• M34: 8,208,435 km (0.027 R)
• M35: 8,452,728 km (0.057 R)
• M36: 9,200,419 km (0.052 R)
• M37: 9,315,609 km (0.086 R)
• M38: 9,547,336 km (0.072 R)
• M39: 9,687,210 km (0.111 R)
• M40: 10,230,101 km (0.1 R)
• M41: 11,026,410 km (0.076 R)
• M42: 11,395,019 km (0.036 R)
• M43: 11,518,737 km (0.079 R)
• M44: 11,867,599 km (0.115 R)
• M45: 12,043,377 km (0.025 R)
• M46: 12,194,770 km (0.107 R)
• M47: 12,601,526 km (0.074 R)
• M48: 12,729,582 km (0.066 R)
• M49: 13,142,173 km (0.102 R)
• M50: 13,821,946 km (0.068 R)
• M51: 14,246,056 km (0.104 R)
• M52: 14,620,798 km (0.091 R)
• M53: 14,755,287 km (0.092 R)
• M54: 14,863,296 km (0.117 R)
• M55: 16,151,633 km (0.109 R)
• M56: 16,290,759 km (0.054 R)
• M57: 16,486,284 km (0.088 R)
• M58: 16,598,333 km (0.101 R)
• M59: 16,936,125 km (0.078 R)
• M60: 17,219,313 km (0.07 R)
• M61: 17,675,587 km (0.091 R)
• M62: 18,280,710 km (0.062 R)
• M63: 18,571,229 km (0.082 R)
• M64: 18,951,208 km (0.104 R)
• M65: 19,097,963 km (0.086 R)
• M66: 19,186,226 km (0.099 R)
• M67: 19,422,292 km (0.078 R)
• M68: 19,659,404 km (0.074 R)
• M69: 19,808,104 km (0.104 R)
• M70: 20,016,793 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 11.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.24 AU - 6.94 AU

Year: 5891 Days

Day: 5.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 36,837,343 km

• M1: 144,212 km (0.089 R)
• M2: 224,397 km (0.104 R)
• M3: 333,753 km (0.106 R)
• M4: 470,186 km (0.112 R)
• M5: 616,343 km (0.095 R)
• M6: 709,543 km (0.11 R)
• M7: 808,128 km (0.034 R)
• M8: 911,799 km (0.067 R)
• M9: 1,036,414 km (0.039 R)
• M10: 1,286,093 km (0.065 R)
• M11: 1,427,313 km (0.098 R)
• M12: 1,823,448 km (0.089 R)
• M13: 1,983,369 km (0.1 R)
• M14: 2,737,791 km (0.057 R)
• M15: 3,062,867 km (0.114 R)
• M16: 3,750,269 km (0.098 R)
• M17: 4,729,836 km (0.119 R)
• M18: 5,205,557 km (0.06 R)
• M19: 5,755,479 km (0.087 R)
• M20: 5,962,672 km (0.101 R)
• M21: 6,293,433 km (0.106 R)
• M22: 6,847,843 km (0.12 R)
• M23: 8,670,842 km (0.11 R)
• M24: 9,080,142 km (0.073 R)
• M25: 9,391,306 km (0.07 R)
• M26: 9,565,587 km (0.11 R)
• M27: 10,059,559 km (0.105 R)
• M28: 10,417,547 km (0.101 R)
• M29: 11,183,039 km (0.097 R)
• M30: 11,740,890 km (0.106 R)
• M31: 11,853,537 km (0.078 R)
• M32: 13,704,511 km (0.059 R)
• M33: 13,862,935 km (0.081 R)
• M34: 14,988,061 km (0.063 R)
• M35: 15,438,051 km (0.119 R)
• M36: 15,561,619 km (0.04 R)
• M37: 16,687,942 km (0.103 R)
• M38: 16,772,464 km (0.114 R)
• M39: 17,797,359 km (0.084 R)
• M40: 17,883,677 km (0.12 R)
• M41: 18,230,445 km (0.087 R)
• M42: 18,448,260 km (0.069 R)
• M43: 19,239,633 km (0.117 R)
• M44: 19,328,194 km (0.053 R)
• M45: 19,461,337 km (0.095 R)
• M46: 19,728,668 km (0.081 R)
• M47: 19,817,978 km (0.096 R)
• M48: 20,492,515 km (0.114 R)
• M49: 21,266,085 km (0.081 R)
• M50: 21,725,650 km (0.098 R)
• M51: 22,188,506 km (0.1 R)
• M52: 22,327,931 km (0.119 R)
• M53: 22,654,503 km (0.092 R)
• M54: 22,841,800 km (0.071 R)
• M55: 23,123,792 km (0.08 R)
• M56: 23,359,708 km (0.086 R)
• M57: 23,596,371 km (0.074 R)
• M58: 23,786,211 km (0.036 R)
• M59: 24,072,093 km (0.102 R)
• M60: 24,887,999 km (0.1 R)
• M61: 24,984,640 km (0.108 R)
• M62: 25,615,643 km (0.089 R)
• M63: 26,104,529 km (0.067 R)
• M64: 26,695,291 km (0.091 R)
• M65: 26,942,726 km (0.083 R)
• M66: 27,689,668 km (0.092 R)
• M67: 27,839,865 km (0.087 R)
• M68: 28,443,492 km (0.11 R)
• M69: 29,203,898 km (0.049 R)
• M70: 29,765,937 km (0.095 R)
• M71: 30,073,959 km (0.109 R)
• M72: 30,848,727 km (0.088 R)
• M73: 31,473,148 km (0.07 R)
• M74: 31,891,872 km (0.118 R)
• M75: 32,312,392 km (0.089 R)
• M76: 33,212,074 km (0.079 R)
• M77: 33,638,278 km (0.099 R)
• M78: 33,798,647 km (0.032 R)
• M79: 34,012,721 km (0.099 R)
• M80: 36,837,279 km (0.1 R)

Kuiper Belt

Range: 31.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 11,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit