🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.2

Radius: 14.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.68 AU - 0.94 AU

Year: 486 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,631,751 km

• M1: 185,352 km (0.119 R)
• M2: 674,088 km (0.093 R)
• M3: 1,306,737 km (0.081 R)
• M4: 1,886,728 km (0.094 R)
• M5: 2,409,124 km (0.067 R)
• M6: 3,298,483 km (0.067 R)
• M7: 3,780,488 km (0.06 R)
• M8: 4,547,626 km (0.081 R)
• M9: 5,348,573 km (0.08 R)
• M10: 6,019,070 km (0.106 R)
• M11: 6,529,049 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 10.3

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.87 AU - 1.15 AU

Year: 677 Days

Day: 11.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,631,751 km

• M1: 129,103 km (0.105 R)
• M2: 460,612 km (0.112 R)
• M3: 799,750 km (0.081 R)
• M4: 1,137,841 km (0.086 R)
• M5: 1,621,491 km (0.079 R)
• M6: 2,139,250 km (0.096 R)
• M7: 2,547,353 km (0.027 R)
• M8: 3,466,631 km (0.098 R)
• M9: 3,972,272 km (0.098 R)
• M10: 4,493,770 km (0.115 R)
• M11: 4,883,622 km (0.076 R)
• M12: 5,333,164 km (0.076 R)
• M13: 6,109,876 km (0.12 R)
• M14: 6,440,936 km (0.11 R)
• M15: 7,624,555 km (0.101 R)
• M16: 8,406,204 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.8

Radius: 10.7

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.95 AU - 1.47 AU

Year: 888 Days

Day: 6.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,631,751 km

• M1: 133,142 km (0.12 R)
• M2: 502,948 km (0.071 R)
• M3: 853,007 km (0.057 R)
• M4: 1,471,295 km (0.118 R)
• M5: 2,061,459 km (0.084 R)
• M6: 2,401,644 km (0.098 R)
• M7: 3,318,679 km (0.044 R)
• M8: 3,835,091 km (0.036 R)
• M9: 4,176,623 km (0.117 R)
• M10: 4,939,422 km (0.08 R)
• M11: 5,517,020 km (0.067 R)
• M12: 6,630,626 km (0.092 R)
• M13: 7,357,822 km (0.115 R)
• M14: 7,740,942 km (0.046 R)
• M15: 8,469,334 km (0.077 R)
• M16: 9,325,632 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 8.5

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.2 AU - 2.34 AU

Year: 2281 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,631,751 km

• M1: 105,766 km (0.118 R)
• M2: 370,853 km (0.068 R)
• M3: 668,403 km (0.09 R)
• M4: 993,180 km (0.075 R)
• M5: 1,413,999 km (0.059 R)
• M6: 2,123,243 km (0.057 R)
• M7: 3,479,796 km (0.092 R)
• M8: 4,828,122 km (0.083 R)
• M9: 5,102,185 km (0.03 R)
• M10: 5,435,190 km (0.098 R)
• M11: 6,039,864 km (0.098 R)
• M12: 6,688,670 km (0.095 R)
• M13: 7,533,749 km (0.104 R)
• M14: 7,841,023 km (0.042 R)
• M15: 8,350,254 km (0.091 R)
• M16: 9,399,384 km (0.058 R)
• M17: 10,195,544 km (0.106 R)
• M18: 10,996,790 km (0.104 R)
• M19: 11,634,825 km (0.086 R)
• M20: 11,921,754 km (0.108 R)
• M21: 12,339,730 km (0.036 R)
• M22: 15,892,829 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.2

Radius: 14

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.31 AU - 2.99 AU

Year: 2877 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,631,751 km

• M1: 210,484 km (0.117 R)
• M2: 667,805 km (0.116 R)
• M3: 1,174,044 km (0.108 R)
• M4: 1,787,096 km (0.08 R)
• M5: 2,444,878 km (0.113 R)
• M6: 3,207,079 km (0.075 R)
• M7: 4,383,666 km (0.104 R)
• M8: 5,257,767 km (0.085 R)
• M9: 5,939,484 km (0.092 R)
• M10: 6,828,694 km (0.11 R)
• M11: 8,037,894 km (0.112 R)
• M12: 8,729,335 km (0.074 R)
• M13: 10,551,437 km (0.096 R)
• M14: 11,552,396 km (0.12 R)
• M15: 13,791,727 km (0.104 R)
• M16: 14,834,873 km (0.088 R)
• M17: 16,306,916 km (0.062 R)
• M18: 16,966,792 km (0.089 R)
• M19: 19,848,197 km (0.069 R)
• M20: 20,600,824 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.5

Radius: 13.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.12 AU - 3.44 AU

Year: 3961 Days

Day: 13.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,631,751 km

• M1: 166,652 km (0.088 R)
• M2: 679,025 km (0.054 R)
• M3: 1,310,926 km (0.029 R)
• M4: 1,738,926 km (0.112 R)
• M5: 3,087,999 km (0.116 R)
• M6: 3,907,945 km (0.097 R)
• M7: 7,222,884 km (0.109 R)
• M8: 9,598,648 km (0.104 R)
• M9: 10,637,905 km (0.089 R)
• M10: 11,162,844 km (0.083 R)
• M11: 11,613,582 km (0.117 R)
• M12: 12,989,583 km (0.11 R)
• M13: 13,742,659 km (0.089 R)
• M14: 14,366,033 km (0.057 R)
• M15: 15,446,728 km (0.118 R)
• M16: 18,075,911 km (0.117 R)
• M17: 18,824,498 km (0.086 R)
• M18: 19,528,955 km (0.087 R)
• M19: 20,052,248 km (0.093 R)
• M20: 20,517,797 km (0.081 R)
• M21: 21,887,814 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 11.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.44 AU - 5.22 AU

Year: 7079 Days

Day: 6.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,631,751 km

• M1: 138,079 km (0.084 R)
• M2: 911,649 km (0.091 R)
• M3: 1,300,454 km (0.066 R)
• M4: 2,001,021 km (0.06 R)
• M5: 2,842,509 km (0.081 R)
• M6: 3,239,542 km (0.093 R)
• M7: 4,740,607 km (0.065 R)
• M8: 6,729,959 km (0.066 R)
• M9: 8,681,164 km (0.087 R)
• M10: 11,031,945 km (0.04 R)
• M11: 11,817,933 km (0.093 R)
• M12: 12,483,793 km (0.115 R)
• M13: 12,852,551 km (0.079 R)
• M14: 14,748,405 km (0.059 R)
• M15: 15,160,697 km (0.03 R)
• M16: 17,666,761 km (0.104 R)
• M17: 18,469,353 km (0.053 R)
• M18: 19,577,275 km (0.057 R)
• M19: 22,154,547 km (0.111 R)
• M20: 28,152,674 km (0.116 R)
• M21: 32,603,210 km (0.105 R)
• M22: 33,505,884 km (0.109 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: 510 - 19,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit