🌌 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: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.71 AU - 0.89 AU

Year: 259 Days

Day: 41.9 Hours

Environment

Temp: 140 °C

Axial Tilt: 53.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.64 AU - 1.02 AU

Year: 273 Days

Day: 22.2 Hours

Environment

Temp: 116 °C

Axial Tilt: 79.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,794,027 km

• M1: 658,829 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.16 AU - 1.32 AU

Year: 499 Days

Day: 38.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 15.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.06 AU - 1.72 AU

Year: 593 Days

Day: 24.9 Hours

Environment

Temp: -0 °C

Axial Tilt: 43.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 63,794,027 km

• M1: 1,285,345 km (0.027 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.68 AU - 3.52 AU

Year: 1974 Days

Day: 40 Hours

Environment

Temp: -112 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.87 AU - 4.01 AU

Year: 2828 Days

Day: 24.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.07 AU - 5.05 AU

Year: 2959 Days

Day: 24.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,794,027 km

• M1: 2,076,718 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.4

Radius: 15

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.36 AU - 8.3 AU

Year: 6455 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 63,794,027 km

• M1: 248,781 km (0.058 R)
• M2: 480,209 km (0.116 R)
• M3: 638,633 km (0.07 R)
• M4: 856,597 km (0.034 R)
• M5: 989,590 km (0.116 R)
• M6: 1,115,851 km (0.088 R)
• M7: 1,324,091 km (0.11 R)
• M8: 1,481,318 km (0.045 R)
• M9: 1,849,927 km (0.117 R)
• M10: 1,955,693 km (0.105 R)
• M11: 2,155,257 km (0.119 R)
• M12: 2,361,702 km (0.105 R)
• M13: 2,774,442 km (0.106 R)
• M14: 4,054,701 km (0.095 R)
• M15: 4,194,276 km (0.081 R)
• M16: 4,550,169 km (0.057 R)
• M17: 4,719,663 km (0.085 R)
• M18: 5,624,880 km (0.056 R)
• M19: 5,912,108 km (0.119 R)
• M20: 6,070,981 km (0.047 R)
• M21: 6,365,838 km (0.035 R)
• M22: 7,194,012 km (0.074 R)
• M23: 7,392,229 km (0.114 R)
• M24: 7,506,223 km (0.096 R)
• M25: 7,852,093 km (0.091 R)
• M26: 8,350,852 km (0.092 R)
• M27: 8,469,783 km (0.045 R)
• M28: 8,739,358 km (0.111 R)
• M29: 8,920,671 km (0.079 R)
• M30: 9,164,515 km (0.09 R)
• M31: 9,441,271 km (0.086 R)
• M32: 9,627,521 km (0.094 R)
• M33: 11,062,164 km (0.074 R)
• M34: 11,455,906 km (0.082 R)
• M35: 12,359,028 km (0.106 R)
• M36: 12,562,930 km (0.074 R)
• M37: 13,215,625 km (0.063 R)
• M38: 13,389,309 km (0.09 R)
• M39: 14,020,761 km (0.086 R)
• M40: 15,276,336 km (0.118 R)
• M41: 15,458,546 km (0.089 R)
• M42: 15,899,112 km (0.067 R)
• M43: 16,009,964 km (0.077 R)
• M44: 16,158,066 km (0.092 R)
• M45: 16,381,116 km (0.081 R)
• M46: 16,717,562 km (0.106 R)
• M47: 17,056,252 km (0.097 R)
• M48: 17,817,256 km (0.103 R)
• M49: 18,009,190 km (0.09 R)
• M50: 18,395,302 km (0.106 R)
• M51: 19,411,820 km (0.101 R)
• M52: 19,768,012 km (0.099 R)
• M53: 19,966,828 km (0.117 R)
• M54: 20,086,357 km (0.073 R)
• M55: 20,406,496 km (0.087 R)
• M56: 20,728,281 km (0.085 R)
• M57: 21,295,406 km (0.119 R)
• M58: 21,417,628 km (0.081 R)
• M59: 21,580,989 km (0.113 R)
• M60: 21,908,907 km (0.116 R)
• M61: 22,445,216 km (0.044 R)
• M62: 22,694,296 km (0.104 R)
• M63: 22,902,387 km (0.101 R)
• M64: 23,446,773 km (0.099 R)
• M65: 24,080,171 km (0.116 R)
• M66: 24,719,253 km (0.038 R)
• M67: 24,847,608 km (0.117 R)
• M68: 25,536,656 km (0.116 R)
• M69: 26,057,556 km (0.043 R)
• M70: 26,406,717 km (0.056 R)
• M71: 27,021,564 km (0.119 R)
• M72: 27,153,958 km (0.071 R)
• M73: 27,463,775 km (0.105 R)
• M74: 28,220,741 km (0.032 R)
• M75: 28,355,080 km (0.083 R)
• M76: 28,579,476 km (0.046 R)
• M77: 29,074,945 km (0.106 R)
• M78: 30,441,072 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.5

Radius: 8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 17.93 AU - 18.37 AU

Year: 27964 Days

Day: 20 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 63,794,027 km

• M1: 279,598 km (0.115 R)
• M2: 382,073 km (0.113 R)
• M3: 590,014 km (0.106 R)
• M4: 790,326 km (0.077 R)
• M5: 2,391,621 km (0.116 R)
• M6: 3,050,600 km (0.11 R)
• M7: 3,329,301 km (0.104 R)
• M8: 3,580,027 km (0.055 R)
• M9: 3,836,886 km (0.044 R)
• M10: 4,524,737 km (0.076 R)
• M11: 4,682,713 km (0.069 R)
• M12: 5,004,348 km (0.054 R)
• M13: 5,085,729 km (0.087 R)
• M14: 7,125,197 km (0.1 R)
• M15: 7,401,953 km (0.054 R)
• M16: 7,635,326 km (0.051 R)
• M17: 7,918,365 km (0.082 R)
• M18: 8,592,453 km (0.061 R)
• M19: 8,887,011 km (0.071 R)
• M20: 9,536,565 km (0.069 R)
• M21: 9,739,569 km (0.07 R)
• M22: 10,356,960 km (0.05 R)
• M23: 10,723,026 km (0.072 R)
• M24: 11,629,439 km (0.114 R)
• M25: 11,683,594 km (0.085 R)
• M26: 11,737,748 km (0.061 R)
• M27: 12,894,588 km (0.117 R)
• M28: 13,118,985 km (0.053 R)
• M29: 13,231,782 km (0.025 R)
• M30: 13,288,330 km (0.064 R)
• M31: 14,609,429 km (0.072 R)
• M32: 15,732,161 km (0.083 R)
• M33: 15,911,828 km (0.067 R)
• M34: 16,213,118 km (0.074 R)
• M35: 18,122,136 km (0.099 R)
• M36: 19,007,307 km (0.105 R)
• M37: 19,134,914 km (0.066 R)
• M38: 19,648,184 km (0.084 R)
• M39: 19,777,287 km (0.088 R)
• M40: 19,841,914 km (0.105 R)
• M41: 21,149,100 km (0.06 R)
• M42: 21,281,344 km (0.059 R)
• M43: 21,546,731 km (0.117 R)
• M44: 22,214,835 km (0.116 R)
• M45: 22,618,899 km (0.109 R)
• M46: 25,515,114 km (0.09 R)
• M47: 25,796,956 km (0.07 R)
• M48: 26,009,086 km (0.073 R)
• M49: 26,363,782 km (0.111 R)
• M50: 26,577,408 km (0.028 R)
• M51: 28,745,231 km (0.119 R)
• M52: 30,744,158 km (0.088 R)
• M53: 31,571,284 km (0.03 R)
• M54: 31,722,528 km (0.118 R)
• M55: 32,787,515 km (0.045 R)
• M56: 33,478,358 km (0.045 R)
• M57: 34,329,271 km (0.083 R)
• M58: 34,562,643 km (0.1 R)
• M59: 35,030,735 km (0.087 R)
• M60: 35,658,298 km (0.065 R)
• M61: 35,815,675 km (0.041 R)
• M62: 36,289,451 km (0.079 R)
• M63: 37,643,013 km (0.116 R)
• M64: 38,366,319 km (0.113 R)
• M65: 40,645,592 km (0.088 R)
• M66: 40,892,428 km (0.044 R)
• M67: 43,303,946 km (0.107 R)
• M68: 43,640,092 km (0.069 R)
• M69: 44,653,917 km (0.106 R)
• M70: 45,675,521 km (0.119 R)
• M71: 45,846,661 km (0.078 R)
• M72: 50,632,297 km (0.074 R)
• M73: 52,769,751 km (0.098 R)
• M74: 54,482,797 km (0.05 R)
• M75: 54,573,453 km (0.069 R)
• M76: 56,764,463 km (0.086 R)
• M77: 57,132,474 km (0.093 R)
• M78: 57,778,288 km (0.109 R)
• M79: 58,426,496 km (0.066 R)
• M80: 60,385,629 km (0.087 R)
• M81: 60,667,322 km (0.115 R)
• M82: 62,936,123 km (0.118 R)
• M83: 63,507,587 km (0.029 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 10,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit