🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.54 AU - 2.22 AU

Year: 923 Days

Day: 38.7 Hours

Environment

Temp: -48 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.65 AU - 2.55 AU

Year: 1090 Days

Day: 22.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,423,955 km

• M1: 270,473 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.1 AU - 3.96 AU

Year: 2375 Days

Day: 12.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 11.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.05 AU - 6.45 AU

Year: 4308 Days

Day: 8.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,423,955 km

• M1: 138,378 km (0.026 R)
• M2: 515,215 km (0.108 R)
• M3: 926,160 km (0.095 R)
• M4: 1,363,136 km (0.048 R)
• M5: 1,884,036 km (0.104 R)
• M6: 2,502,324 km (0.119 R)
• M7: 3,574,192 km (0.092 R)
• M8: 5,113,405 km (0.066 R)
• M9: 5,665,720 km (0.036 R)
• M10: 6,474,297 km (0.079 R)
• M11: 8,026,674 km (0.031 R)
• M12: 8,432,084 km (0.097 R)
• M13: 10,278,122 km (0.069 R)
• M14: 10,845,397 km (0.066 R)
• M15: 12,042,479 km (0.044 R)
• M16: 12,772,217 km (0.076 R)
• M17: 17,907,912 km (0.094 R)
• M18: 18,538,019 km (0.036 R)
• M19: 21,628,711 km (0.092 R)
• M20: 23,744,623 km (0.056 R)
• M21: 24,736,606 km (0.041 R)
• M22: 25,518,255 km (0.093 R)
• M23: 25,995,173 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.9

Radius: 12.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.79 AU - 12.93 AU

Year: 12818 Days

Day: 13.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,423,955 km

• M1: 159,172 km (0.118 R)
• M2: 1,329,027 km (0.102 R)
• M3: 2,268,203 km (0.086 R)
• M4: 3,006,768 km (0.088 R)
• M5: 3,508,220 km (0.077 R)
• M6: 4,009,821 km (0.059 R)
• M7: 8,835,849 km (0.113 R)
• M8: 9,468,049 km (0.061 R)
• M9: 11,153,568 km (0.073 R)
• M10: 11,604,606 km (0.107 R)
• M11: 14,975,345 km (0.111 R)
• M12: 15,524,818 km (0.086 R)
• M13: 16,087,755 km (0.039 R)
• M14: 17,254,618 km (0.042 R)
• M15: 17,782,549 km (0.079 R)
• M16: 19,350,485 km (0.097 R)
• M17: 25,859,189 km (0.053 R)
• M18: 29,123,414 km (0.064 R)
• M19: 32,310,447 km (0.118 R)
• M20: 32,997,700 km (0.082 R)
• M21: 33,461,304 km (0.11 R)
• M22: 34,283,045 km (0.115 R)
• M23: 37,202,896 km (0.082 R)
• M24: 41,348,851 km (0.036 R)
• M25: 43,117,846 km (0.049 R)
• M26: 44,090,980 km (0.096 R)
• M27: 45,937,018 km (0.115 R)
• M28: 47,538,763 km (0.106 R)
• M29: 49,027,112 km (0.118 R)
• M30: 51,939,932 km (0.119 R)
• M31: 52,725,321 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.1

Radius: 5.3

Gravity: 33.43 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 16.2 AU - 18.72 AU

Year: 26130 Days

Day: 15.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,423,955 km

• M1: 65,973 km (0.062 R)
• M2: 373,695 km (0.116 R)
• M3: 553,213 km (0.11 R)
• M4: 1,496,727 km (0.051 R)
• M5: 1,840,203 km (0.109 R)
• M6: 2,528,054 km (0.062 R)
• M7: 2,958,447 km (0.077 R)
• M8: 5,138,088 km (0.109 R)
• M9: 7,023,620 km (0.117 R)
• M10: 9,764,552 km (0.088 R)
• M11: 10,749,056 km (0.084 R)
• M12: 12,162,307 km (0.047 R)
• M13: 16,139,516 km (0.12 R)
• M14: 20,589,305 km (0.115 R)
• M15: 26,159,581 km (0.094 R)
• M16: 26,778,916 km (0.11 R)
• M17: 28,304,964 km (0.115 R)
• M18: 31,808,546 km (0.104 R)
• M19: 37,277,246 km (0.104 R)
• M20: 41,977,462 km (0.082 R)
• M21: 46,154,085 km (0.105 R)
• M22: 49,462,292 km (0.101 R)
• M23: 56,341,101 km (0.077 R)
• M24: 56,752,346 km (0.099 R)
• M25: 63,163,811 km (0.058 R)
• M26: 71,956,426 km (0.076 R)
• M27: 74,893,631 km (0.044 R)
• M28: 75,390,894 km (0.093 R)
• M29: 76,140,828 km (0.081 R)
• M30: 77,401,639 km (0.063 R)
• M31: 77,909,823 km (0.118 R)
• M32: 89,103,334 km (0.098 R)
• M33: 91,917,868 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.3

Radius: 5.4

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 14.95 AU - 20.89 AU

Year: 27169 Days

Day: 18.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,423,955 km

• M1: 67,319 km (0.101 R)
• M2: 304,581 km (0.109 R)
• M3: 527,183 km (0.085 R)
• M4: 826,528 km (0.082 R)
• M5: 1,064,239 km (0.112 R)
• M6: 1,318,107 km (0.111 R)
• M7: 1,628,223 km (0.106 R)
• M8: 2,618,561 km (0.1 R)
• M9: 2,956,204 km (0.088 R)
• M10: 3,516,597 km (0.11 R)
• M11: 3,807,116 km (0.098 R)
• M12: 4,916,235 km (0.055 R)
• M13: 5,354,557 km (0.054 R)
• M14: 6,351,028 km (0.106 R)
• M15: 7,655,222 km (0.09 R)
• M16: 9,399,982 km (0.085 R)
• M17: 9,789,685 km (0.101 R)
• M18: 11,965,286 km (0.092 R)
• M19: 13,723,660 km (0.115 R)
• M20: 14,152,707 km (0.102 R)
• M21: 16,835,146 km (0.085 R)
• M22: 18,858,756 km (0.115 R)
• M23: 20,386,599 km (0.089 R)
• M24: 20,944,899 km (0.113 R)
• M25: 21,994,926 km (0.113 R)
• M26: 22,879,798 km (0.11 R)
• M27: 24,096,327 km (0.044 R)
• M28: 25,142,316 km (0.05 R)
• M29: 26,000,858 km (0.112 R)
• M30: 32,564,315 km (0.084 R)
• M31: 33,326,815 km (0.109 R)
• M32: 34,887,719 km (0.108 R)
• M33: 38,859,692 km (0.111 R)
• M34: 43,122,633 km (0.113 R)
• M35: 45,919,665 km (0.067 R)
• M36: 48,670,171 km (0.11 R)
• M37: 51,016,015 km (0.073 R)
• M38: 68,956,839 km (0.093 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 15,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit