🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.46 AU - 0.56 AU

Year: 128 Days

Day: 21.2 Hours

Environment

Temp: 205 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 16,998,032 km

• M1: 254,466 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.07 AU - 1.21 AU

Year: 428 Days

Day: 39.3 Hours

Environment

Temp: 39 °C

Axial Tilt: 34.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.59 AU - 1.75 AU

Year: 758 Days

Day: 24.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 71.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.44 AU - 2.72 AU

Year: 1456 Days

Day: 32.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 16,998,032 km

• M1: 30,368 km (0.089 R)
• M2: 112,946 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.36 AU - 3.42 AU

Year: 2194 Days

Day: 38.1 Hours

Environment

Temp: -110 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4 AU - 6.08 AU

Year: 3977 Days

Day: 46.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 14

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.31 AU - 7.49 AU

Year: 6370 Days

Day: 6 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 16,998,032 km

• M1: 175,329 km (0.05 R)
• M2: 292,763 km (0.035 R)
• M3: 544,686 km (0.115 R)
• M4: 981,512 km (0.083 R)
• M5: 1,222,065 km (0.1 R)
• M6: 1,393,654 km (0.119 R)
• M7: 1,800,410 km (0.057 R)
• M8: 2,058,467 km (0.097 R)
• M9: 2,371,575 km (0.043 R)
• M10: 2,633,371 km (0.053 R)
• M11: 3,233,259 km (0.096 R)
• M12: 3,426,390 km (0.047 R)
• M13: 3,648,393 km (0.119 R)
• M14: 3,748,623 km (0.118 R)
• M15: 4,132,791 km (0.091 R)
• M16: 4,692,137 km (0.053 R)
• M17: 4,911,597 km (0.103 R)
• M18: 5,417,986 km (0.109 R)
• M19: 5,619,494 km (0.106 R)
• M20: 5,823,546 km (0.115 R)
• M21: 5,911,659 km (0.065 R)
• M22: 6,299,118 km (0.114 R)
• M23: 6,419,993 km (0.041 R)
• M24: 6,572,134 km (0.109 R)
• M25: 6,756,438 km (0.113 R)
• M26: 7,256,245 km (0.059 R)
• M27: 7,351,239 km (0.112 R)
• M28: 8,061,081 km (0.072 R)
• M29: 8,457,665 km (0.047 R)
• M30: 8,894,491 km (0.079 R)
• M31: 9,720,271 km (0.072 R)
• M32: 10,142,436 km (0.091 R)
• M33: 10,463,025 km (0.115 R)
• M34: 10,606,639 km (0.099 R)
• M35: 11,629,888 km (0.11 R)
• M36: 12,153,331 km (0.069 R)
• M37: 12,418,119 km (0.045 R)
• M38: 12,953,081 km (0.082 R)
• M39: 13,107,317 km (0.059 R)
• M40: 13,223,554 km (0.066 R)
• M41: 13,339,941 km (0.085 R)
• M42: 13,573,912 km (0.118 R)
• M43: 13,809,230 km (0.059 R)
• M44: 14,403,433 km (0.047 R)
• M45: 14,925,230 km (0.04 R)
• M46: 15,127,486 km (0.076 R)
• M47: 15,249,409 km (0.032 R)
• M48: 17,668,705 km (0.082 R)
• M49: 18,530,539 km (0.062 R)
• M50: 18,704,521 km (0.094 R)
• M51: 18,966,467 km (0.102 R)
• M52: 19,317,723 km (0.108 R)
• M53: 19,494,248 km (0.11 R)
• M54: 19,582,660 km (0.102 R)
• M55: 20,160,557 km (0.113 R)
• M56: 20,250,017 km (0.088 R)
• M57: 20,925,002 km (0.099 R)
• M58: 21,151,643 km (0.083 R)
• M59: 21,424,659 km (0.103 R)
• M60: 21,652,945 km (0.116 R)
• M61: 21,836,352 km (0.12 R)
• M62: 23,603,552 km (0.106 R)
• M63: 25,319,739 km (0.077 R)
• M64: 25,464,550 km (0.091 R)
• M65: 25,998,016 km (0.095 R)
• M66: 26,241,710 km (0.08 R)
• M67: 26,486,153 km (0.116 R)
• M68: 26,731,494 km (0.112 R)
• M69: 27,125,385 km (0.101 R)
• M70: 28,871,342 km (0.111 R)
• M71: 30,243,005 km (0.106 R)
• M72: 30,704,963 km (0.032 R)
• M73: 31,948,121 km (0.087 R)
• M74: 32,156,960 km (0.104 R)
• M75: 32,366,247 km (0.114 R)
• M76: 33,843,825 km (0.111 R)
• M77: 34,163,217 km (0.108 R)
• M78: 34,376,843 km (0.075 R)
• M79: 35,505,110 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.1

Radius: 13.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.99 AU - 7.01 AU

Year: 6509 Days

Day: 10.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 16,998,032 km

• M1: 209,437 km (0.076 R)
• M2: 497,413 km (0.107 R)
• M3: 891,454 km (0.101 R)
• M4: 1,182,721 km (0.092 R)
• M5: 1,293,573 km (0.072 R)
• M6: 1,504,805 km (0.111 R)
• M7: 1,659,639 km (0.096 R)
• M8: 2,058,616 km (0.06 R)
• M9: 2,231,701 km (0.115 R)
• M10: 2,435,753 km (0.028 R)
• M11: 2,632,623 km (0.111 R)
• M12: 3,473,064 km (0.112 R)
• M13: 3,576,436 km (0.112 R)
• M14: 3,831,650 km (0.117 R)
• M15: 4,077,290 km (0.114 R)
• M16: 4,471,780 km (0.079 R)
• M17: 4,584,427 km (0.054 R)
• M18: 5,028,134 km (0.036 R)
• M19: 5,850,922 km (0.093 R)
• M20: 6,789,350 km (0.087 R)
• M21: 7,929,884 km (0.109 R)
• M22: 8,844,376 km (0.05 R)
• M23: 9,006,839 km (0.061 R)
• M24: 9,645,772 km (0.055 R)
• M25: 9,834,115 km (0.087 R)
• M26: 11,895,125 km (0.102 R)
• M27: 12,550,214 km (0.065 R)
• M28: 12,824,726 km (0.056 R)
• M29: 14,417,794 km (0.116 R)
• M30: 15,604,105 km (0.051 R)
• M31: 15,726,925 km (0.065 R)
• M32: 16,897,079 km (0.075 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 11,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit