🌌 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: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.56 AU - 0.58 AU

Year: 155 Days

Day: 43.8 Hours

Environment

Temp: 229 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 86,583,352 km

• M1: 140,173 km (0.083 R)
• M2: 559,646 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.3

Radius: 14.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.2 AU - 6.76 AU

Year: 5263 Days

Day: 12.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,583,352 km

• M1: 186,698 km (0.074 R)
• M2: 868,416 km (0.071 R)
• M3: 1,342,192 km (0.08 R)
• M4: 1,819,409 km (0.044 R)
• M5: 2,367,835 km (0.087 R)
• M6: 4,668,650 km (0.08 R)
• M7: 5,236,225 km (0.079 R)
• M8: 5,989,450 km (0.097 R)
• M9: 7,383,104 km (0.085 R)
• M10: 8,087,261 km (0.059 R)
• M11: 8,762,695 km (0.077 R)
• M12: 11,231,958 km (0.113 R)
• M13: 11,848,151 km (0.043 R)
• M14: 12,580,134 km (0.105 R)
• M15: 15,542,770 km (0.11 R)
• M16: 17,739,615 km (0.081 R)
• M17: 19,004,913 km (0.076 R)
• M18: 20,915,727 km (0.068 R)
• M19: 22,258,817 km (0.084 R)
• M20: 23,516,187 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.7

Radius: 14.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.85 AU - 6.19 AU

Year: 5316 Days

Day: 11.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,583,352 km

• M1: 179,218 km (0.092 R)
• M2: 730,935 km (0.048 R)
• M3: 1,256,921 km (0.099 R)
• M4: 2,162,288 km (0.091 R)
• M5: 2,882,601 km (0.087 R)
• M6: 3,384,652 km (0.099 R)
• M7: 4,310,962 km (0.043 R)
• M8: 4,971,885 km (0.084 R)
• M9: 5,429,954 km (0.088 R)
• M10: 5,978,978 km (0.058 R)
• M11: 11,311,245 km (0.11 R)
• M12: 12,057,588 km (0.098 R)
• M13: 13,374,349 km (0.096 R)
• M14: 14,552,731 km (0.106 R)
• M15: 15,256,739 km (0.089 R)
• M16: 16,606,112 km (0.099 R)
• M17: 18,915,155 km (0.093 R)
• M18: 20,690,433 km (0.048 R)
• M19: 22,730,050 km (0.108 R)
• M20: 27,382,394 km (0.061 R)
• M21: 31,263,262 km (0.115 R)
• M22: 32,436,110 km (0.118 R)
• M23: 32,933,373 km (0.119 R)
• M24: 34,250,133 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.9

Radius: 9.3

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.95 AU - 10.29 AU

Year: 11586 Days

Day: 11.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,583,352 km

• M1: 116,686 km (0.109 R)
• M2: 436,676 km (0.084 R)
• M3: 1,425,219 km (0.115 R)
• M4: 1,967,212 km (0.06 R)
• M5: 3,067,804 km (0.088 R)
• M6: 3,487,725 km (0.107 R)
• M7: 4,002,192 km (0.071 R)
• M8: 4,443,356 km (0.08 R)
• M9: 7,197,453 km (0.08 R)
• M10: 9,480,316 km (0.096 R)
• M11: 9,999,421 km (0.082 R)
• M12: 10,374,014 km (0.111 R)
• M13: 12,697,568 km (0.078 R)
• M14: 13,980,519 km (0.071 R)
• M15: 17,951,595 km (0.099 R)
• M16: 23,826,902 km (0.063 R)
• M17: 31,435,300 km (0.091 R)
• M18: 40,248,858 km (0.071 R)
• M19: 42,300,743 km (0.118 R)
• M20: 42,859,491 km (0.12 R)
• M21: 45,289,259 km (0.093 R)
• M22: 47,058,553 km (0.114 R)
• M23: 48,263,564 km (0.097 R)
• M24: 49,180,599 km (0.117 R)
• M25: 52,803,860 km (0.114 R)
• M26: 54,597,987 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.3

Radius: 3.5

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 15.21 AU - 15.65 AU

Year: 21813 Days

Day: 16 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,583,352 km

• M1: 43,533 km (0.045 R)
• M2: 230,680 km (0.095 R)
• M3: 516,113 km (0.102 R)
• M4: 1,139,786 km (0.094 R)
• M5: 1,383,930 km (0.087 R)
• M6: 1,570,329 km (0.065 R)
• M7: 2,308,744 km (0.099 R)
• M8: 2,656,110 km (0.086 R)
• M9: 3,557,288 km (0.065 R)
• M10: 3,689,383 km (0.111 R)
• M11: 3,824,769 km (0.08 R)
• M12: 4,339,834 km (0.06 R)
• M13: 4,460,261 km (0.111 R)
• M14: 4,613,898 km (0.04 R)
• M15: 4,835,003 km (0.04 R)
• M16: 7,536,442 km (0.082 R)
• M17: 10,821,910 km (0.07 R)
• M18: 11,043,614 km (0.113 R)
• M19: 11,727,426 km (0.042 R)
• M20: 12,258,498 km (0.098 R)
• M21: 12,867,062 km (0.093 R)
• M22: 13,688,056 km (0.032 R)
• M23: 16,070,850 km (0.12 R)
• M24: 17,021,994 km (0.058 R)
• M25: 18,716,040 km (0.058 R)
• M26: 21,375,890 km (0.065 R)
• M27: 22,166,964 km (0.095 R)
• M28: 22,345,434 km (0.102 R)
• M29: 25,722,905 km (0.087 R)
• M30: 28,258,589 km (0.08 R)
• M31: 28,679,258 km (0.047 R)
• M32: 29,103,967 km (0.105 R)
• M33: 31,515,335 km (0.106 R)
• M34: 34,056,554 km (0.09 R)
• M35: 42,356,094 km (0.1 R)
• M36: 43,045,291 km (0.056 R)
• M37: 49,283,074 km (0.043 R)
• M38: 52,695,551 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 20.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381

Radius: 5

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 18.76 AU - 21.54 AU

Year: 32552 Days

Day: 16.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,583,352 km

• M1: 62,233 km (0.092 R)
• M2: 223,200 km (0.085 R)
• M3: 1,060,948 km (0.086 R)
• M4: 1,350,270 km (0.061 R)
• M5: 3,059,725 km (0.088 R)
• M6: 4,961,264 km (0.063 R)
• M7: 5,767,297 km (0.077 R)
• M8: 5,938,437 km (0.119 R)
• M9: 6,157,149 km (0.051 R)
• M10: 7,233,207 km (0.101 R)
• M11: 8,158,469 km (0.108 R)
• M12: 8,374,489 km (0.066 R)
• M13: 9,102,582 km (0.071 R)
• M14: 9,511,582 km (0.068 R)
• M15: 10,492,645 km (0.081 R)
• M16: 13,311,219 km (0.113 R)
• M17: 15,338,270 km (0.104 R)
• M18: 15,750,262 km (0.066 R)
• M19: 16,085,361 km (0.077 R)
• M20: 18,844,395 km (0.106 R)
• M21: 24,487,077 km (0.071 R)
• M22: 26,908,767 km (0.094 R)
• M23: 29,994,074 km (0.093 R)
• M24: 37,003,033 km (0.073 R)
• M25: 38,042,888 km (0.105 R)
• M26: 42,882,678 km (0.078 R)
• M27: 43,699,782 km (0.102 R)
• M28: 45,872,990 km (0.101 R)
• M29: 48,999,287 km (0.079 R)
• M30: 52,264,858 km (0.081 R)
• M31: 55,479,268 km (0.049 R)
• M32: 57,628,092 km (0.109 R)
• M33: 57,826,159 km (0.073 R)
• M34: 66,778,246 km (0.086 R)
• M35: 67,215,670 km (0.092 R)
• M36: 67,655,039 km (0.108 R)
• M37: 74,948,234 km (0.089 R)
• M38: 77,571,433 km (0.116 R)
• M39: 79,762,593 km (0.109 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 10,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit