🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.2

Radius: 9.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.48 AU - 0.78 AU

Year: 333 Days

Day: 12.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,129,150 km

• M1: 117,734 km (0.086 R)
• M2: 414,536 km (0.101 R)
• M3: 769,831 km (0.118 R)
• M4: 1,179,430 km (0.057 R)
• M5: 1,551,779 km (0.079 R)
• M6: 2,188,467 km (0.048 R)
• M7: 2,546,904 km (0.048 R)
• M8: 2,863,453 km (0.049 R)
• M9: 3,284,122 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.7

Radius: 9.5

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.87 AU - 1.11 AU

Year: 657 Days

Day: 13.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,129,150 km

• M1: 118,182 km (0.094 R)
• M2: 463,604 km (0.053 R)
• M3: 823,835 km (0.045 R)
• M4: 1,142,180 km (0.096 R)
• M5: 1,483,412 km (0.112 R)
• M6: 1,822,551 km (0.117 R)
• M7: 2,549,148 km (0.079 R)
• M8: 3,154,421 km (0.075 R)
• M9: 3,457,356 km (0.069 R)
• M10: 4,000,995 km (0.078 R)
• M11: 4,372,895 km (0.118 R)
• M12: 4,700,515 km (0.078 R)
• M13: 5,168,756 km (0.114 R)
• M14: 5,763,856 km (0.058 R)
• M15: 6,239,578 km (0.071 R)
• M16: 6,613,423 km (0.113 R)
• M17: 7,112,930 km (0.113 R)
• M18: 8,017,099 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.6

Radius: 13.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.73 AU - 2.03 AU

Year: 1719 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,129,150 km

• M1: 169,195 km (0.032 R)
• M2: 645,216 km (0.084 R)
• M3: 1,071,420 km (0.066 R)
• M4: 1,602,044 km (0.068 R)
• M5: 2,040,515 km (0.066 R)
• M6: 2,639,804 km (0.077 R)
• M7: 3,682,651 km (0.119 R)
• M8: 4,539,398 km (0.07 R)
• M9: 5,592,567 km (0.111 R)
• M10: 6,422,536 km (0.109 R)
• M11: 8,447,493 km (0.096 R)
• M12: 9,155,689 km (0.083 R)
• M13: 11,557,782 km (0.063 R)
• M14: 12,046,219 km (0.102 R)
• M15: 13,024,739 km (0.119 R)
• M16: 13,471,737 km (0.056 R)
• M17: 14,569,187 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.5

Radius: 14.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.85 AU - 2.81 AU

Year: 2372 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,129,150 km

• M1: 176,675 km (0.074 R)
• M2: 680,072 km (0.095 R)
• M3: 1,188,555 km (0.052 R)
• M4: 1,723,367 km (0.079 R)
• M5: 2,458,791 km (0.074 R)
• M6: 3,044,765 km (0.077 R)
• M7: 3,531,856 km (0.098 R)
• M8: 4,501,250 km (0.118 R)
• M9: 5,271,530 km (0.075 R)
• M10: 5,736,630 km (0.112 R)
• M11: 6,305,401 km (0.059 R)
• M12: 7,356,176 km (0.107 R)
• M13: 7,819,780 km (0.043 R)
• M14: 10,803,809 km (0.118 R)
• M15: 12,067,163 km (0.11 R)
• M16: 12,673,034 km (0.115 R)
• M17: 13,771,382 km (0.111 R)
• M18: 15,489,513 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 8.9

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.62 AU - 3.7 AU

Year: 4669 Days

Day: 7.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,129,150 km

• M1: 110,702 km (0.067 R)
• M2: 462,557 km (0.098 R)
• M3: 740,809 km (0.075 R)
• M4: 1,079,947 km (0.09 R)
• M5: 1,385,276 km (0.033 R)
• M6: 1,774,979 km (0.119 R)
• M7: 2,237,236 km (0.119 R)
• M8: 3,218,299 km (0.12 R)
• M9: 3,954,470 km (0.115 R)
• M10: 4,538,650 km (0.081 R)
• M11: 5,123,577 km (0.113 R)
• M12: 5,463,314 km (0.106 R)
• M13: 6,873,723 km (0.043 R)
• M14: 7,754,705 km (0.053 R)
• M15: 10,351,724 km (0.074 R)
• M16: 11,603,409 km (0.117 R)
• M17: 12,849,859 km (0.106 R)
• M18: 13,425,661 km (0.089 R)
• M19: 14,516,529 km (0.101 R)
• M20: 15,547,856 km (0.073 R)
• M21: 15,902,254 km (0.108 R)
• M22: 16,873,742 km (0.087 R)
• M23: 17,248,186 km (0.091 R)
• M24: 17,564,286 km (0.112 R)
• M25: 23,627,488 km (0.042 R)
• M26: 26,533,576 km (0.104 R)
• M27: 28,952,574 km (0.07 R)
• M28: 29,399,572 km (0.109 R)
• M29: 30,490,888 km (0.078 R)
• M30: 31,233,343 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.4

Radius: 5.6

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.05 AU - 6.91 AU

Year: 11000 Days

Day: 22.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,129,150 km

• M1: 70,461 km (0.061 R)
• M2: 277,504 km (0.089 R)
• M3: 1,098,198 km (0.059 R)
• M4: 2,250,700 km (0.071 R)
• M5: 3,589,601 km (0.113 R)
• M6: 6,407,875 km (0.096 R)
• M7: 6,849,937 km (0.048 R)
• M8: 13,430,448 km (0.11 R)
• M9: 18,018,316 km (0.1 R)
• M10: 26,327,280 km (0.063 R)
• M11: 26,607,028 km (0.11 R)
• M12: 28,718,752 km (0.087 R)
• M13: 30,630,314 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 14,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit