🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 15

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.38 AU - 0.64 AU

Year: 247 Days

Day: 7.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,311,897 km

• M1: 186,549 km (0.079 R)
• M2: 653,892 km (0.077 R)
• M3: 1,146,967 km (0.056 R)
• M4: 1,950,906 km (0.088 R)
• M5: 2,532,393 km (0.038 R)
• M6: 3,527,817 km (0.103 R)
• M7: 4,075,644 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 14.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.65 AU - 1.97 AU

Year: 1652 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,311,897 km

• M1: 185,053 km (0.11 R)
• M2: 760,107 km (0.119 R)
• M3: 1,364,632 km (0.099 R)
• M4: 2,074,623 km (0.085 R)
• M5: 2,612,876 km (0.114 R)
• M6: 3,552,351 km (0.08 R)
• M7: 4,818,398 km (0.105 R)
• M8: 5,648,965 km (0.097 R)
• M9: 6,807,750 km (0.075 R)
• M10: 9,624,229 km (0.07 R)
• M11: 10,113,115 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.6

Radius: 11.1

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.55 AU - 2.25 AU

Year: 1776 Days

Day: 8.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,311,897 km

• M1: 138,079 km (0.072 R)
• M2: 501,901 km (0.112 R)
• M3: 870,061 km (0.119 R)
• M4: 1,606,681 km (0.108 R)
• M5: 2,046,798 km (0.034 R)
• M6: 3,158,609 km (0.054 R)
• M7: 4,004,885 km (0.115 R)
• M8: 4,451,285 km (0.117 R)
• M9: 6,143,536 km (0.075 R)
• M10: 6,900,950 km (0.034 R)
• M11: 7,487,523 km (0.118 R)
• M12: 8,107,157 km (0.095 R)
• M13: 9,248,440 km (0.063 R)
• M14: 10,031,884 km (0.114 R)
• M15: 10,493,842 km (0.095 R)
• M16: 11,808,807 km (0.038 R)
• M17: 13,062,587 km (0.082 R)
• M18: 14,269,393 km (0.117 R)
• M19: 15,738,145 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.6

Radius: 11.8

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.54 AU - 4.16 AU

Year: 5124 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,311,897 km

• M1: 147,653 km (0.118 R)
• M2: 525,537 km (0.107 R)
• M3: 1,222,065 km (0.069 R)
• M4: 2,923,142 km (0.05 R)
• M5: 4,151,042 km (0.044 R)
• M6: 4,707,995 km (0.09 R)
• M7: 6,418,048 km (0.114 R)
• M8: 6,818,222 km (0.075 R)
• M9: 8,081,875 km (0.107 R)
• M10: 18,439,882 km (0.095 R)
• M11: 18,978,584 km (0.049 R)
• M12: 19,736,297 km (0.026 R)
• M13: 21,312,311 km (0.065 R)
• M14: 23,594,427 km (0.1 R)
• M15: 25,451,086 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 12.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.52 AU - 5.1 AU

Year: 6069 Days

Day: 9.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,311,897 km

• M1: 154,235 km (0.076 R)
• M2: 648,656 km (0.109 R)
• M3: 1,121,685 km (0.08 R)
• M4: 2,131,321 km (0.075 R)
• M5: 2,644,741 km (0.105 R)
• M6: 3,622,213 km (0.076 R)
• M7: 5,127,617 km (0.118 R)
• M8: 7,805,419 km (0.096 R)
• M9: 8,811,464 km (0.029 R)
• M10: 10,249,848 km (0.106 R)
• M11: 14,279,715 km (0.056 R)
• M12: 15,454,956 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 10.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.9 AU - 5 AU

Year: 7470 Days

Day: 10.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,311,897 km

• M1: 135,536 km (0.11 R)
• M2: 598,840 km (0.076 R)
• M3: 1,109,867 km (0.069 R)
• M4: 2,010,745 km (0.084 R)
• M5: 2,375,315 km (0.1 R)
• M6: 3,022,475 km (0.077 R)
• M7: 3,559,233 km (0.055 R)
• M8: 4,537,004 km (0.063 R)
• M9: 4,938,226 km (0.085 R)
• M10: 5,314,764 km (0.084 R)
• M11: 6,959,143 km (0.078 R)
• M12: 9,915,646 km (0.088 R)
• M13: 10,288,893 km (0.075 R)
• M14: 11,587,701 km (0.099 R)
• M15: 13,485,650 km (0.071 R)
• M16: 15,532,597 km (0.05 R)
• M17: 17,997,970 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.9

Radius: 3.5

Gravity: 64.64 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.21 AU - 8.49 AU

Year: 12160 Days

Day: 16.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,311,897 km

• M1: 50,265 km (0.086 R)
• M2: 190,737 km (0.083 R)
• M3: 845,078 km (0.109 R)
• M4: 1,234,482 km (0.102 R)
• M5: 1,850,675 km (0.066 R)
• M6: 2,045,900 km (0.092 R)
• M7: 2,235,291 km (0.063 R)
• M8: 2,395,212 km (0.102 R)
• M9: 2,584,004 km (0.047 R)
• M10: 4,596,694 km (0.12 R)
• M11: 4,822,736 km (0.12 R)
• M12: 5,764,455 km (0.092 R)
• M13: 6,456,495 km (0.062 R)
• M14: 7,245,174 km (0.099 R)
• M15: 7,595,682 km (0.094 R)
• M16: 10,208,858 km (0.092 R)
• M17: 11,044,811 km (0.111 R)
• M18: 11,805,217 km (0.072 R)
• M19: 12,290,213 km (0.102 R)
• M20: 14,092,269 km (0.076 R)
• M21: 14,295,273 km (0.081 R)
• M22: 14,706,967 km (0.053 R)
• M23: 15,197,199 km (0.073 R)
• M24: 15,770,907 km (0.087 R)
• M25: 19,351,831 km (0.067 R)
• M26: 20,110,442 km (0.111 R)
• M27: 23,156,105 km (0.068 R)
• M28: 23,438,695 km (0.048 R)
• M29: 25,985,300 km (0.07 R)
• M30: 26,392,655 km (0.078 R)
• M31: 27,640,600 km (0.048 R)
• M32: 28,927,291 km (0.116 R)
• M33: 30,704,215 km (0.059 R)
• M34: 35,089,527 km (0.096 R)
• M35: 36,089,589 km (0.085 R)
• M36: 38,672,546 km (0.075 R)
• M37: 42,632,700 km (0.095 R)
• M38: 56,797,973 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 15,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit