🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 10.4

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.36 AU - 1.46 AU

Year: 1116 Days

Day: 5.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,632,334 km

• M1: 129,402 km (0.11 R)
• M2: 988,094 km (0.094 R)
• M3: 1,632,262 km (0.039 R)
• M4: 2,286,603 km (0.115 R)
• M5: 2,764,419 km (0.066 R)
• M6: 3,224,582 km (0.113 R)
• M7: 3,908,244 km (0.075 R)
• M8: 4,489,731 km (0.102 R)
• M9: 6,005,307 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.1

Radius: 10.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.72 AU - 2.44 AU

Year: 2000 Days

Day: 8 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,632,334 km

• M1: 133,292 km (0.086 R)
• M2: 534,962 km (0.084 R)
• M3: 1,105,229 km (0.12 R)
• M4: 1,720,076 km (0.09 R)
• M5: 2,887,089 km (0.102 R)
• M6: 3,430,279 km (0.071 R)
• M7: 4,189,937 km (0.074 R)
• M8: 4,660,572 km (0.098 R)
• M9: 5,210,045 km (0.099 R)
• M10: 5,825,939 km (0.116 R)
• M11: 6,238,231 km (0.072 R)
• M12: 7,121,457 km (0.111 R)
• M13: 9,039,451 km (0.028 R)
• M14: 9,963,517 km (0.1 R)
• M15: 10,554,579 km (0.118 R)
• M16: 13,824,788 km (0.095 R)
• M17: 15,095,323 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.2

Radius: 8.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.44 AU - 2.62 AU

Year: 2684 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,632,334 km

• M1: 105,766 km (0.12 R)
• M2: 649,853 km (0.089 R)
• M3: 945,159 km (0.078 R)
• M4: 1,577,360 km (0.119 R)
• M5: 1,964,519 km (0.078 R)
• M6: 2,440,540 km (0.087 R)
• M7: 2,756,042 km (0.115 R)
• M8: 3,888,348 km (0.113 R)
• M9: 4,418,972 km (0.089 R)
• M10: 4,805,832 km (0.109 R)
• M11: 5,127,168 km (0.086 R)
• M12: 5,647,768 km (0.051 R)
• M13: 7,117,717 km (0.096 R)
• M14: 7,736,903 km (0.099 R)
• M15: 8,119,424 km (0.085 R)
• M16: 10,189,560 km (0.105 R)
• M17: 11,648,887 km (0.074 R)
• M18: 11,917,864 km (0.105 R)
• M19: 13,790,530 km (0.071 R)
• M20: 14,309,485 km (0.072 R)
• M21: 14,796,725 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.2

Radius: 9.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.12 AU - 2.94 AU

Year: 2684 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,632,334 km

• M1: 123,717 km (0.102 R)
• M2: 514,617 km (0.089 R)
• M3: 930,948 km (0.098 R)
• M4: 1,281,306 km (0.089 R)
• M5: 1,665,623 km (0.03 R)
• M6: 2,258,479 km (0.098 R)
• M7: 2,582,358 km (0.085 R)
• M8: 3,221,141 km (0.091 R)
• M9: 3,709,429 km (0.079 R)
• M10: 4,479,858 km (0.099 R)
• M11: 5,232,485 km (0.107 R)
• M12: 5,626,526 km (0.116 R)
• M13: 5,961,326 km (0.028 R)
• M14: 7,405,543 km (0.063 R)
• M15: 8,031,162 km (0.116 R)
• M16: 9,281,201 km (0.095 R)
• M17: 10,196,441 km (0.057 R)
• M18: 11,050,496 km (0.101 R)
• M19: 11,867,749 km (0.064 R)
• M20: 16,050,655 km (0.075 R)
• M21: 17,098,289 km (0.109 R)
• M22: 17,421,270 km (0.118 R)
• M23: 17,803,194 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.6

Radius: 8.4

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.28 AU - 2.94 AU

Year: 2812 Days

Day: 8.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,632,334 km

• M1: 108,309 km (0.03 R)
• M2: 407,205 km (0.086 R)
• M3: 685,607 km (0.113 R)
• M4: 1,529,788 km (0.098 R)
• M5: 2,312,035 km (0.091 R)
• M6: 2,864,201 km (0.085 R)
• M7: 3,689,083 km (0.092 R)
• M8: 4,708,743 km (0.112 R)
• M9: 5,127,168 km (0.084 R)
• M10: 6,337,265 km (0.081 R)
• M11: 15,241,330 km (0.082 R)
• M12: 16,053,946 km (0.104 R)
• M13: 17,876,048 km (0.057 R)
• M14: 19,300,968 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.9

Radius: 13.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.07 AU - 3.33 AU

Year: 2959 Days

Day: 6.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,632,334 km

• M1: 168,896 km (0.114 R)
• M2: 645,365 km (0.115 R)
• M3: 1,466,059 km (0.093 R)
• M4: 1,942,828 km (0.101 R)
• M5: 2,614,223 km (0.119 R)
• M6: 4,558,995 km (0.114 R)
• M7: 5,912,557 km (0.101 R)
• M8: 6,558,221 km (0.045 R)
• M9: 7,962,945 km (0.092 R)
• M10: 9,656,243 km (0.086 R)
• M11: 10,622,047 km (0.046 R)
• M12: 13,459,470 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.6

Radius: 14.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.35 AU - 4.79 AU

Year: 5475 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,632,334 km

• M1: 179,069 km (0.082 R)
• M2: 949,049 km (0.078 R)
• M3: 2,109,180 km (0.115 R)
• M4: 2,640,552 km (0.114 R)
• M5: 3,303,271 km (0.083 R)
• M6: 4,002,790 km (0.112 R)
• M7: 4,965,453 km (0.109 R)
• M8: 5,699,828 km (0.073 R)
• M9: 7,913,877 km (0.076 R)
• M10: 8,834,652 km (0.094 R)
• M11: 9,648,315 km (0.104 R)
• M12: 11,775,297 km (0.115 R)
• M13: 12,287,520 km (0.05 R)
• M14: 13,356,846 km (0.105 R)
• M15: 13,857,999 km (0.115 R)
• M16: 16,301,680 km (0.075 R)
• M17: 16,874,341 km (0.094 R)
• M18: 18,673,704 km (0.063 R)
• M19: 22,729,302 km (0.107 R)
• M20: 23,767,511 km (0.095 R)
• M21: 25,938,476 km (0.118 R)
• M22: 28,147,737 km (0.081 R)
• M23: 29,625,914 km (0.117 R)
• M24: 33,752,122 km (0.06 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: 507 - 17,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit