🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402

Radius: 8.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.61 AU - 0.83 AU

Year: 429 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,028,545 km

• M1: 108,159 km (0.097 R)
• M2: 418,575 km (0.097 R)
• M3: 1,028,037 km (0.108 R)
• M4: 1,317,508 km (0.054 R)
• M5: 1,595,012 km (0.079 R)
• M6: 1,972,897 km (0.064 R)
• M7: 2,463,279 km (0.112 R)
• M8: 2,880,208 km (0.077 R)
• M9: 3,180,301 km (0.107 R)
• M10: 3,723,341 km (0.094 R)
• M11: 4,105,863 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987

Radius: 12.8

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.38 AU - 2.26 AU

Year: 1726 Days

Day: 12.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,028,545 km

• M1: 159,322 km (0.108 R)
• M2: 568,771 km (0.083 R)
• M3: 1,313,320 km (0.096 R)
• M4: 1,766,751 km (0.078 R)
• M5: 2,300,067 km (0.115 R)
• M6: 2,864,949 km (0.063 R)
• M7: 3,470,072 km (0.09 R)
• M8: 4,476,118 km (0.103 R)
• M9: 5,047,731 km (0.062 R)
• M10: 5,455,535 km (0.036 R)
• M11: 5,983,915 km (0.119 R)
• M12: 7,284,818 km (0.058 R)
• M13: 7,927,042 km (0.103 R)
• M14: 8,993,375 km (0.045 R)
• M15: 10,331,827 km (0.092 R)
• M16: 11,564,813 km (0.113 R)
• M17: 12,685,899 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.6

Radius: 11.7

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.94 AU - 2.22 AU

Year: 2109 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,028,545 km

• M1: 145,708 km (0.115 R)
• M2: 510,727 km (0.069 R)
• M3: 1,270,984 km (0.12 R)
• M4: 1,885,980 km (0.12 R)
• M5: 3,133,178 km (0.089 R)
• M6: 4,002,641 km (0.064 R)
• M7: 4,367,959 km (0.119 R)
• M8: 5,625,030 km (0.087 R)
• M9: 6,405,482 km (0.064 R)
• M10: 7,435,762 km (0.098 R)
• M11: 8,181,956 km (0.117 R)
• M12: 9,464,608 km (0.043 R)
• M13: 10,154,105 km (0.059 R)
• M14: 11,838,577 km (0.088 R)
• M15: 13,386,317 km (0.096 R)
• M16: 14,115,756 km (0.074 R)
• M17: 15,904,348 km (0.046 R)
• M18: 16,931,786 km (0.077 R)
• M19: 19,118,757 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.2

Radius: 14.2

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.99 AU - 2.75 AU

Year: 2565 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,028,545 km

• M1: 176,675 km (0.095 R)
• M2: 695,481 km (0.105 R)
• M3: 1,674,299 km (0.06 R)
• M4: 2,219,584 km (0.064 R)
• M5: 2,678,849 km (0.113 R)
• M6: 3,643,755 km (0.078 R)
• M7: 4,749,583 km (0.098 R)
• M8: 5,327,479 km (0.119 R)
• M9: 5,882,936 km (0.081 R)
• M10: 6,330,683 km (0.112 R)
• M11: 7,322,068 km (0.075 R)
• M12: 7,953,820 km (0.059 R)
• M13: 8,562,234 km (0.095 R)
• M14: 11,712,167 km (0.114 R)
• M15: 12,424,402 km (0.064 R)
• M16: 13,976,779 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786

Radius: 9.9

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.31 AU - 3.57 AU

Year: 3543 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,028,545 km

• M1: 123,418 km (0.075 R)
• M2: 1,029,981 km (0.097 R)
• M3: 1,431,203 km (0.1 R)
• M4: 2,181,436 km (0.088 R)
• M5: 2,541,219 km (0.1 R)
• M6: 3,119,265 km (0.119 R)
• M7: 4,778,306 km (0.063 R)
• M8: 6,286,701 km (0.093 R)
• M9: 7,745,280 km (0.091 R)
• M10: 9,148,658 km (0.097 R)
• M11: 10,420,988 km (0.057 R)
• M12: 10,970,311 km (0.117 R)
• M13: 12,035,149 km (0.067 R)
• M14: 15,588,098 km (0.109 R)
• M15: 19,785,515 km (0.119 R)
• M16: 20,301,179 km (0.119 R)
• M17: 21,292,265 km (0.119 R)
• M18: 21,765,742 km (0.115 R)
• M19: 22,246,101 km (0.098 R)
• M20: 23,157,152 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.7

Radius: 12.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.09 AU - 4.95 AU

Year: 5666 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,028,545 km

• M1: 159,322 km (0.096 R)
• M2: 952,490 km (0.054 R)
• M3: 1,790,088 km (0.034 R)
• M4: 2,693,659 km (0.118 R)
• M5: 3,128,690 km (0.074 R)
• M6: 3,859,924 km (0.073 R)
• M7: 4,416,428 km (0.104 R)
• M8: 6,118,104 km (0.091 R)
• M9: 6,658,601 km (0.103 R)
• M10: 7,362,310 km (0.043 R)
• M11: 8,186,145 km (0.061 R)
• M12: 8,768,829 km (0.091 R)
• M13: 9,734,633 km (0.086 R)
• M14: 10,347,386 km (0.114 R)
• M15: 14,738,083 km (0.105 R)
• M16: 15,437,303 km (0.092 R)
• M17: 16,328,159 km (0.045 R)
• M18: 17,788,384 km (0.108 R)
• M19: 20,369,096 km (0.058 R)
• M20: 21,990,588 km (0.063 R)
• M21: 23,406,232 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 15,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit