🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.8

Radius: 8.2

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.64 AU - 0.94 AU

Year: 485 Days

Day: 10.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,221,174 km

• M1: 102,175 km (0.043 R)
• M2: 457,021 km (0.102 R)
• M3: 738,265 km (0.047 R)
• M4: 1,041,351 km (0.095 R)
• M5: 1,319,752 km (0.112 R)
• M6: 1,874,761 km (0.076 R)
• M7: 2,391,621 km (0.079 R)
• M8: 2,673,164 km (0.102 R)
• M9: 3,023,822 km (0.093 R)
• M10: 4,015,207 km (0.085 R)
• M11: 4,569,916 km (0.046 R)
• M12: 5,006,293 km (0.093 R)
• M13: 5,452,394 km (0.105 R)
• M14: 5,980,923 km (0.115 R)
• M15: 6,951,215 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.9

Radius: 9.2

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.76 AU - 0.9 AU

Year: 522 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,221,174 km

• M1: 114,442 km (0.113 R)
• M2: 468,840 km (0.108 R)
• M3: 957,875 km (0.04 R)
• M4: 1,701,676 km (0.049 R)
• M5: 2,304,705 km (0.098 R)
• M6: 2,667,480 km (0.087 R)
• M7: 2,996,595 km (0.071 R)
• M8: 3,548,162 km (0.06 R)
• M9: 3,876,679 km (0.085 R)
• M10: 5,173,394 km (0.057 R)
• M11: 5,633,557 km (0.073 R)
• M12: 7,030,502 km (0.077 R)
• M13: 7,353,035 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.5

Radius: 14.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.99 AU - 1.05 AU

Year: 711 Days

Day: 5.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,221,174 km

• M1: 180,116 km (0.108 R)
• M2: 657,034 km (0.089 R)
• M3: 1,292,526 km (0.116 R)
• M4: 1,740,721 km (0.084 R)
• M5: 2,392,968 km (0.067 R)
• M6: 2,967,872 km (0.11 R)
• M7: 3,491,166 km (0.092 R)
• M8: 4,168,694 km (0.039 R)
• M9: 4,682,713 km (0.075 R)
• M10: 5,509,091 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.9

Radius: 9.5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.35 AU - 2.03 AU

Year: 1516 Days

Day: 8.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,221,174 km

• M1: 118,482 km (0.11 R)
• M2: 455,526 km (0.059 R)
• M3: 837,598 km (0.12 R)
• M4: 1,539,063 km (0.101 R)
• M5: 2,155,406 km (0.041 R)
• M6: 2,591,334 km (0.089 R)
• M7: 3,690,879 km (0.096 R)
• M8: 3,996,058 km (0.097 R)
• M9: 4,523,391 km (0.117 R)
• M10: 5,283,797 km (0.069 R)
• M11: 5,584,638 km (0.116 R)
• M12: 5,896,998 km (0.08 R)
• M13: 7,265,071 km (0.057 R)
• M14: 7,939,608 km (0.072 R)
• M15: 8,803,685 km (0.096 R)
• M16: 10,182,678 km (0.108 R)
• M17: 10,481,575 km (0.08 R)
• M18: 11,484,928 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.4

Radius: 11.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.42 AU - 3.44 AU

Year: 4385 Days

Day: 12.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,221,174 km

• M1: 143,016 km (0.057 R)
• M2: 1,076,357 km (0.113 R)
• M3: 1,598,154 km (0.114 R)
• M4: 2,246,810 km (0.119 R)
• M5: 2,640,253 km (0.108 R)
• M6: 3,640,015 km (0.11 R)
• M7: 4,986,995 km (0.08 R)
• M8: 7,286,463 km (0.115 R)
• M9: 9,752,884 km (0.046 R)
• M10: 11,904,999 km (0.066 R)
• M11: 13,548,930 km (0.107 R)
• M12: 14,356,608 km (0.107 R)
• M13: 14,819,015 km (0.065 R)
• M14: 15,579,571 km (0.117 R)
• M15: 16,266,375 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308

Radius: 8.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.3 AU - 4.5 AU

Year: 5316 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,221,174 km

• M1: 115,789 km (0.025 R)
• M2: 478,564 km (0.078 R)
• M3: 954,734 km (0.106 R)
• M4: 1,989,053 km (0.037 R)
• M5: 3,442,696 km (0.111 R)
• M6: 6,605,793 km (0.112 R)
• M7: 7,751,862 km (0.105 R)
• M8: 9,025,389 km (0.115 R)
• M9: 10,148,420 km (0.069 R)
• M10: 12,669,743 km (0.105 R)
• M11: 14,276,723 km (0.097 R)
• M12: 15,905,994 km (0.114 R)
• M13: 17,772,676 km (0.044 R)
• M14: 23,811,942 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.8

Radius: 8.6

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.85 AU - 5.19 AU

Year: 6633 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,221,174 km

• M1: 106,962 km (0.09 R)
• M2: 502,050 km (0.059 R)
• M3: 794,365 km (0.088 R)
• M4: 1,182,870 km (0.083 R)
• M5: 1,589,926 km (0.086 R)
• M6: 1,996,234 km (0.113 R)
• M7: 2,651,024 km (0.115 R)
• M8: 3,354,134 km (0.106 R)
• M9: 4,125,909 km (0.103 R)
• M10: 4,621,228 km (0.088 R)
• M11: 7,675,867 km (0.079 R)
• M12: 8,630,900 km (0.102 R)
• M13: 9,397,738 km (0.102 R)
• M14: 10,116,706 km (0.115 R)
• M15: 10,489,653 km (0.027 R)
• M16: 10,775,385 km (0.102 R)
• M17: 12,761,446 km (0.045 R)
• M18: 14,741,374 km (0.098 R)
• M19: 16,085,661 km (0.119 R)
• M20: 19,370,680 km (0.115 R)
• M21: 20,385,702 km (0.097 R)
• M22: 20,682,055 km (0.081 R)
• M23: 24,550,357 km (0.066 R)
• M24: 25,997,866 km (0.078 R)
• M25: 28,137,116 km (0.112 R)
• M26: 36,004,916 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 13,159 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit