🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 8.2

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.93 AU

Year: 522 Days

Day: 13.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,718,330 km

• M1: 102,026 km (0.06 R)
• M2: 389,403 km (0.069 R)
• M3: 699,071 km (0.09 R)
• M4: 1,077,404 km (0.111 R)
• M5: 1,349,373 km (0.102 R)
• M6: 1,624,483 km (0.03 R)
• M7: 1,945,371 km (0.027 R)
• M8: 2,218,088 km (0.11 R)
• M9: 3,322,718 km (0.096 R)
• M10: 3,949,234 km (0.084 R)
• M11: 4,262,941 km (0.066 R)
• M12: 4,787,281 km (0.095 R)
• M13: 5,160,379 km (0.053 R)
• M14: 5,569,379 km (0.079 R)
• M15: 5,947,114 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 9.5

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.99 AU - 1.09 AU

Year: 746 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,718,330 km

• M1: 118,930 km (0.082 R)
• M2: 480,957 km (0.091 R)
• M3: 976,425 km (0.103 R)
• M4: 1,283,101 km (0.05 R)
• M5: 1,622,389 km (0.12 R)
• M6: 1,918,443 km (0.078 R)
• M7: 2,475,396 km (0.054 R)
• M8: 2,883,649 km (0.088 R)
• M9: 3,474,411 km (0.092 R)
• M10: 3,911,685 km (0.116 R)
• M11: 4,843,979 km (0.071 R)
• M12: 5,278,411 km (0.058 R)
• M13: 5,877,700 km (0.092 R)
• M14: 6,329,935 km (0.117 R)
• M15: 7,188,926 km (0.103 R)
• M16: 7,492,011 km (0.112 R)
• M17: 8,048,964 km (0.081 R)
• M18: 9,002,800 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.4

Radius: 12.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.92 AU - 1.46 AU

Year: 912 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,718,330 km

• M1: 152,440 km (0.061 R)
• M2: 538,253 km (0.074 R)
• M3: 978,071 km (0.107 R)
• M4: 1,701,227 km (0.082 R)
• M5: 2,194,002 km (0.097 R)
• M6: 2,670,472 km (0.085 R)
• M7: 3,106,549 km (0.105 R)
• M8: 4,025,978 km (0.086 R)
• M9: 5,351,565 km (0.078 R)
• M10: 6,114,963 km (0.048 R)
• M11: 6,855,771 km (0.09 R)
• M12: 7,858,675 km (0.116 R)
• M13: 8,845,273 km (0.114 R)
• M14: 9,354,355 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.2

Radius: 11.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.98 AU - 1.52 AU

Year: 982 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,718,330 km

• M1: 138,378 km (0.093 R)
• M2: 543,938 km (0.04 R)
• M3: 995,574 km (0.117 R)
• M4: 1,786,049 km (0.079 R)
• M5: 2,212,253 km (0.117 R)
• M6: 2,804,062 km (0.12 R)
• M7: 3,871,742 km (0.101 R)
• M8: 4,371,549 km (0.106 R)
• M9: 5,883,235 km (0.053 R)
• M10: 9,416,139 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.3

Radius: 10

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.69 AU - 1.95 AU

Year: 1726 Days

Day: 11.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,718,330 km

• M1: 125,662 km (0.107 R)
• M2: 538,852 km (0.095 R)
• M3: 1,021,155 km (0.075 R)
• M4: 2,184,578 km (0.086 R)
• M5: 2,572,186 km (0.052 R)
• M6: 4,549,122 km (0.117 R)
• M7: 5,248,791 km (0.119 R)
• M8: 5,791,083 km (0.076 R)
• M9: 9,143,422 km (0.108 R)
• M10: 11,672,075 km (0.093 R)
• M11: 12,258,648 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.3

Radius: 14.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.97 AU - 2.15 AU

Year: 2078 Days

Day: 9.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,718,330 km

• M1: 191,635 km (0.084 R)
• M2: 854,952 km (0.039 R)
• M3: 1,339,499 km (0.11 R)
• M4: 1,815,819 km (0.109 R)
• M5: 3,283,972 km (0.093 R)
• M6: 3,854,240 km (0.096 R)
• M7: 4,730,135 km (0.109 R)
• M8: 7,074,633 km (0.084 R)
• M9: 8,444,800 km (0.041 R)
• M10: 9,644,874 km (0.094 R)
• M11: 10,270,193 km (0.1 R)
• M12: 10,955,800 km (0.048 R)
• M13: 11,741,488 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.9

Radius: 11.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.6 AU - 2.52 AU

Year: 2078 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,718,330 km

• M1: 138,079 km (0.117 R)
• M2: 525,986 km (0.099 R)
• M3: 873,502 km (0.104 R)
• M4: 1,255,874 km (0.092 R)
• M5: 1,648,868 km (0.112 R)
• M6: 2,273,439 km (0.068 R)
• M7: 2,634,568 km (0.11 R)
• M8: 3,356,378 km (0.082 R)
• M9: 3,737,254 km (0.108 R)
• M10: 4,185,898 km (0.092 R)
• M11: 5,537,664 km (0.085 R)
• M12: 6,508,854 km (0.066 R)
• M13: 7,796,293 km (0.106 R)
• M14: 8,469,035 km (0.109 R)
• M15: 11,018,631 km (0.104 R)
• M16: 12,305,771 km (0.089 R)
• M17: 14,579,210 km (0.093 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 15,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit