🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.48 AU - 0.58 AU

Year: 253 Days

Day: 31.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,354,159 km

• M1: 43,533 km (0.082 R)
• M2: 650,900 km (0.119 R)

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.1

Radius: 11.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.21 AU - 1.23 AU

Year: 884 Days

Day: 14.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,354,159 km

• M1: 146,905 km (0.029 R)
• M2: 723,007 km (0.12 R)
• M3: 1,171,351 km (0.114 R)
• M4: 1,614,011 km (0.04 R)
• M5: 2,253,094 km (0.063 R)
• M6: 2,662,693 km (0.101 R)
• M7: 3,231,464 km (0.085 R)
• M8: 3,943,101 km (0.097 R)
• M9: 4,865,671 km (0.102 R)
• M10: 5,338,998 km (0.1 R)
• M11: 5,863,937 km (0.104 R)
• M12: 6,312,881 km (0.062 R)
• M13: 6,738,786 km (0.101 R)
• M14: 7,112,182 km (0.082 R)
• M15: 7,799,285 km (0.111 R)
• M16: 8,719,910 km (0.059 R)
• M17: 9,829,328 km (0.077 R)
• M18: 10,341,551 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.6

Radius: 11.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.2 AU - 1.46 AU

Year: 1006 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 89.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,354,159 km

• M1: 147,055 km (0.113 R)
• M2: 565,031 km (0.087 R)
• M3: 1,311,225 km (0.044 R)
• M4: 1,803,702 km (0.104 R)
• M5: 2,219,284 km (0.087 R)
• M6: 2,687,526 km (0.053 R)
• M7: 3,078,425 km (0.117 R)
• M8: 3,707,634 km (0.073 R)
• M9: 4,194,724 km (0.068 R)
• M10: 5,023,496 km (0.066 R)
• M11: 5,640,887 km (0.118 R)
• M12: 6,100,751 km (0.057 R)
• M13: 6,694,355 km (0.068 R)
• M14: 7,141,653 km (0.081 R)
• M15: 8,840,486 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.7

Radius: 10.8

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.21 AU - 1.91 AU

Year: 1278 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,354,159 km

• M1: 134,638 km (0.074 R)
• M2: 571,165 km (0.117 R)
• M3: 914,193 km (0.082 R)
• M4: 2,059,364 km (0.104 R)
• M5: 2,665,834 km (0.084 R)
• M6: 3,158,759 km (0.099 R)
• M7: 4,181,560 km (0.104 R)
• M8: 4,789,525 km (0.099 R)
• M9: 5,521,059 km (0.117 R)
• M10: 5,902,534 km (0.116 R)
• M11: 6,819,419 km (0.106 R)
• M12: 7,206,429 km (0.082 R)
• M13: 7,690,228 km (0.053 R)
• M14: 8,224,442 km (0.101 R)
• M15: 9,087,323 km (0.104 R)
• M16: 10,075,417 km (0.105 R)
• M17: 10,544,406 km (0.079 R)
• M18: 11,098,367 km (0.107 R)
• M19: 11,744,480 km (0.088 R)
• M20: 12,491,721 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 13.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.64 AU - 2.52 AU

Year: 1968 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,354,159 km

• M1: 164,109 km (0.107 R)
• M2: 588,817 km (0.113 R)
• M3: 1,064,838 km (0.046 R)
• M4: 1,507,199 km (0.113 R)
• M5: 3,342,166 km (0.079 R)
• M6: 3,791,408 km (0.076 R)
• M7: 4,665,658 km (0.104 R)
• M8: 5,504,902 km (0.028 R)
• M9: 6,390,671 km (0.086 R)
• M10: 6,949,868 km (0.091 R)
• M11: 8,571,210 km (0.065 R)
• M12: 9,152,996 km (0.104 R)
• M13: 9,899,789 km (0.068 R)
• M14: 10,760,425 km (0.057 R)
• M15: 11,361,509 km (0.08 R)
• M16: 15,123,447 km (0.051 R)
• M17: 15,830,447 km (0.038 R)
• M18: 16,313,947 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 12.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.74 AU - 4.36 AU

Year: 4388 Days

Day: 15 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,354,159 km

• M1: 150,795 km (0.086 R)
• M2: 870,061 km (0.107 R)
• M3: 1,439,431 km (0.099 R)
• M4: 2,236,339 km (0.09 R)
• M5: 2,824,258 km (0.09 R)
• M6: 5,718,229 km (0.085 R)
• M7: 6,673,860 km (0.087 R)
• M8: 11,244,823 km (0.111 R)
• M9: 12,199,108 km (0.056 R)
• M10: 13,065,878 km (0.092 R)
• M11: 13,442,865 km (0.103 R)
• M12: 17,340,787 km (0.093 R)
• M13: 17,911,951 km (0.049 R)
• M14: 18,911,415 km (0.07 R)
• M15: 19,455,502 km (0.091 R)
• M16: 20,638,373 km (0.045 R)
• M17: 21,671,196 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.1

Radius: 14.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.1 AU - 5.82 AU

Year: 7247 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,354,159 km

• M1: 181,911 km (0.104 R)
• M2: 1,261,559 km (0.061 R)
• M3: 2,206,718 km (0.086 R)
• M4: 2,947,078 km (0.092 R)
• M5: 3,715,862 km (0.119 R)
• M6: 5,035,764 km (0.116 R)
• M7: 5,539,460 km (0.081 R)
• M8: 6,747,911 km (0.062 R)
• M9: 8,050,609 km (0.086 R)
• M10: 8,901,373 km (0.101 R)
• M11: 11,058,125 km (0.117 R)
• M12: 13,332,461 km (0.071 R)
• M13: 16,747,930 km (0.062 R)
• M14: 21,352,403 km (0.092 R)
• M15: 21,935,835 km (0.111 R)
• M16: 22,529,739 km (0.11 R)
• M17: 25,662,019 km (0.087 R)
• M18: 26,488,397 km (0.12 R)
• M19: 27,332,429 km (0.116 R)
• M20: 28,544,022 km (0.089 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: 418 - 17,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit