🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.53 AU - 0.67 AU

Year: 163 Days

Day: 29 Hours

Environment

Temp: 161 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.93 AU - 2.37 AU

Year: 1108 Days

Day: 37.4 Hours

Environment

Temp: -58 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,955,370 km

• M1: 2,089,134 km (0.033 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.02 AU - 2.68 AU

Year: 1266 Days

Day: 18.9 Hours

Environment

Temp: -76 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.54 AU - 3.9 AU

Year: 2031 Days

Day: 42.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.67 AU - 3.91 AU

Year: 2593 Days

Day: 32.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,955,370 km

• M1: 2,146,729 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.3

Radius: 12.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.86 AU - 12.48 AU

Year: 11399 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 24,955,370 km

• M1: 175,478 km (0.076 R)
• M2: 254,616 km (0.093 R)
• M3: 599,139 km (0.069 R)
• M4: 734,825 km (0.111 R)
• M5: 844,181 km (0.06 R)
• M6: 1,040,004 km (0.118 R)
• M7: 1,165,068 km (0.107 R)
• M8: 1,867,580 km (0.077 R)
• M9: 1,970,204 km (0.118 R)
• M10: 3,440,901 km (0.078 R)
• M11: 3,827,013 km (0.104 R)
• M12: 4,397,878 km (0.04 R)
• M13: 4,570,963 km (0.117 R)
• M14: 4,675,981 km (0.107 R)
• M15: 4,817,201 km (0.026 R)
• M16: 5,322,692 km (0.118 R)
• M17: 7,101,112 km (0.114 R)
• M18: 7,223,034 km (0.098 R)
• M19: 9,090,614 km (0.103 R)
• M20: 9,669,857 km (0.077 R)
• M21: 9,895,750 km (0.108 R)
• M22: 10,306,844 km (0.112 R)
• M23: 11,146,089 km (0.106 R)
• M24: 11,240,634 km (0.103 R)
• M25: 11,478,345 km (0.081 R)
• M26: 11,862,064 km (0.105 R)
• M27: 12,494,713 km (0.12 R)
• M28: 12,691,584 km (0.101 R)
• M29: 14,406,425 km (0.115 R)
• M30: 15,396,164 km (0.048 R)
• M31: 15,501,631 km (0.08 R)
• M32: 15,872,633 km (0.064 R)
• M33: 16,085,960 km (0.051 R)
• M34: 16,461,600 km (0.113 R)
• M35: 16,677,470 km (0.112 R)
• M36: 17,826,681 km (0.066 R)
• M37: 18,215,486 km (0.097 R)
• M38: 18,719,331 km (0.093 R)
• M39: 20,028,013 km (0.092 R)
• M40: 20,780,790 km (0.119 R)
• M41: 21,014,312 km (0.106 R)
• M42: 22,314,018 km (0.098 R)
• M43: 22,553,076 km (0.114 R)
• M44: 23,094,171 km (0.073 R)
• M45: 23,761,378 km (0.107 R)
• M46: 24,804,823 km (0.099 R)
• M47: 25,301,189 km (0.105 R)
• M48: 25,926,059 km (0.099 R)
• M49: 26,303,494 km (0.118 R)
• M50: 26,429,755 km (0.049 R)
• M51: 27,063,751 km (0.104 R)
• M52: 27,638,805 km (0.084 R)
• M53: 27,895,665 km (0.033 R)
• M54: 28,930,882 km (0.052 R)
• M55: 29,126,406 km (0.063 R)
• M56: 29,322,379 km (0.056 R)
• M57: 29,715,672 km (0.114 R)
• M58: 29,847,169 km (0.107 R)
• M59: 30,706,459 km (0.094 R)
• M60: 33,128,149 km (0.053 R)
• M61: 33,743,146 km (0.1 R)
• M62: 33,880,327 km (0.082 R)
• M63: 34,017,658 km (0.112 R)
• M64: 34,499,962 km (0.113 R)
• M65: 36,592,238 km (0.119 R)
• M66: 37,369,698 km (0.077 R)
• M67: 38,009,977 km (0.111 R)
• M68: 38,152,693 km (0.085 R)
• M69: 38,941,074 km (0.04 R)
• M70: 40,679,700 km (0.111 R)
• M71: 40,971,865 km (0.104 R)
• M72: 41,558,438 km (0.12 R)
• M73: 42,221,605 km (0.036 R)
• M74: 44,457,495 km (0.101 R)
• M75: 45,514,105 km (0.063 R)
• M76: 46,502,498 km (0.12 R)
• M77: 46,884,571 km (0.091 R)
• M78: 47,805,944 km (0.032 R)
• M79: 48,345,993 km (0.073 R)
• M80: 48,810,644 km (0.101 R)
• M81: 50,605,220 km (0.067 R)
• M82: 50,683,759 km (0.081 R)
• M83: 50,998,213 km (0.037 R)
• M84: 51,708,205 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.5

Radius: 6.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 17.15 AU - 20.75 AU

Year: 28993 Days

Day: 17.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 24,955,370 km

• M1: 101,128 km (0.083 R)
• M2: 448,794 km (0.067 R)
• M3: 625,170 km (0.099 R)
• M4: 710,590 km (0.078 R)
• M5: 1,156,242 km (0.117 R)
• M6: 1,330,823 km (0.078 R)
• M7: 1,872,965 km (0.096 R)
• M8: 2,143,139 km (0.097 R)
• M9: 2,459,838 km (0.107 R)
• M10: 3,927,542 km (0.112 R)
• M11: 4,543,437 km (0.065 R)
• M12: 7,441,746 km (0.104 R)
• M13: 7,591,494 km (0.053 R)
• M14: 8,824,180 km (0.052 R)
• M15: 9,734,483 km (0.084 R)
• M16: 10,035,324 km (0.036 R)
• M17: 10,506,408 km (0.11 R)
• M18: 11,962,145 km (0.091 R)
• M19: 13,027,282 km (0.051 R)
• M20: 13,207,846 km (0.073 R)
• M21: 14,587,588 km (0.088 R)
• M22: 15,342,010 km (0.109 R)
• M23: 16,302,877 km (0.093 R)
• M24: 16,497,354 km (0.115 R)
• M25: 17,613,952 km (0.035 R)
• M26: 17,847,026 km (0.098 R)
• M27: 18,114,357 km (0.078 R)
• M28: 18,518,122 km (0.106 R)
• M29: 18,619,400 km (0.108 R)
• M30: 20,127,496 km (0.058 R)
• M31: 21,390,252 km (0.101 R)
• M32: 24,620,369 km (0.09 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 12,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit