🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.5 AU - 0.6 AU

Year: 263 Days

Day: 45.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.1

Radius: 14.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.93 AU - 0.93 AU

Year: 579 Days

Day: 14.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,741,739 km

• M1: 185,352 km (0.056 R)
• M2: 723,455 km (0.052 R)
• M3: 1,416,393 km (0.066 R)
• M4: 1,888,673 km (0.082 R)
• M5: 2,428,721 km (0.074 R)
• M6: 3,262,730 km (0.1 R)
• M7: 4,064,873 km (0.116 R)
• M8: 5,194,337 km (0.107 R)
• M9: 6,272,190 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.6

Radius: 9

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.39 AU - 2.07 AU

Year: 1469 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,741,739 km

• M1: 115,789 km (0.051 R)
• M2: 397,482 km (0.086 R)
• M3: 861,085 km (0.098 R)
• M4: 1,956,591 km (0.09 R)
• M5: 2,246,810 km (0.1 R)
• M6: 2,828,597 km (0.116 R)
• M7: 3,507,472 km (0.111 R)
• M8: 4,066,669 km (0.12 R)
• M9: 5,451,496 km (0.064 R)
• M10: 6,104,640 km (0.053 R)
• M11: 7,510,561 km (0.059 R)
• M12: 8,229,828 km (0.114 R)
• M13: 9,573,366 km (0.112 R)
• M14: 11,609,543 km (0.108 R)
• M15: 14,003,408 km (0.116 R)
• M16: 14,737,335 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.3

Radius: 11.1

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.56 AU - 2.22 AU

Year: 1678 Days

Day: 12 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,741,739 km

• M1: 138,079 km (0.098 R)
• M2: 662,120 km (0.116 R)
• M3: 1,027,438 km (0.095 R)
• M4: 1,532,181 km (0.048 R)
• M5: 2,163,634 km (0.113 R)
• M6: 3,139,910 km (0.068 R)
• M7: 3,485,930 km (0.11 R)
• M8: 4,126,208 km (0.043 R)
• M9: 5,114,302 km (0.077 R)
• M10: 5,618,896 km (0.115 R)
• M11: 6,277,725 km (0.111 R)
• M12: 6,779,327 km (0.095 R)
• M13: 8,657,678 km (0.095 R)
• M14: 9,832,320 km (0.102 R)
• M15: 11,883,307 km (0.11 R)
• M16: 12,849,709 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.6

Radius: 13.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.89 AU - 2.07 AU

Year: 1799 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,741,739 km

• M1: 163,062 km (0.109 R)
• M2: 670,797 km (0.081 R)
• M3: 1,501,364 km (0.107 R)
• M4: 1,943,276 km (0.096 R)
• M5: 2,767,112 km (0.105 R)
• M6: 3,290,256 km (0.066 R)
• M7: 3,845,563 km (0.052 R)
• M8: 4,389,351 km (0.085 R)
• M9: 4,963,957 km (0.034 R)
• M10: 6,171,810 km (0.115 R)
• M11: 6,647,980 km (0.102 R)
• M12: 7,251,607 km (0.103 R)
• M13: 8,141,116 km (0.088 R)
• M14: 10,599,907 km (0.068 R)
• M15: 11,007,411 km (0.072 R)
• M16: 12,108,751 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.9

Radius: 14.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.02 AU - 5.5 AU

Year: 6705 Days

Day: 12.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,741,739 km

• M1: 176,675 km (0.105 R)
• M2: 1,160,281 km (0.053 R)
• M3: 1,734,887 km (0.111 R)
• M4: 2,243,968 km (0.08 R)
• M5: 3,590,798 km (0.093 R)
• M6: 4,046,772 km (0.098 R)
• M7: 5,028,882 km (0.039 R)
• M8: 6,617,462 km (0.103 R)
• M9: 7,559,480 km (0.088 R)
• M10: 8,079,631 km (0.107 R)
• M11: 9,672,400 km (0.093 R)
• M12: 10,130,618 km (0.11 R)
• M13: 10,967,469 km (0.034 R)
• M14: 13,007,535 km (0.108 R)
• M15: 13,661,278 km (0.071 R)
• M16: 15,238,488 km (0.116 R)
• M17: 17,884,575 km (0.112 R)
• M18: 20,137,519 km (0.113 R)
• M19: 20,823,724 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.7

Radius: 4.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.78 AU - 11.14 AU

Year: 18787 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,741,739 km

• M1: 52,658 km (0.098 R)
• M2: 206,295 km (0.072 R)
• M3: 338,241 km (0.1 R)
• M4: 783,893 km (0.101 R)
• M5: 1,703,920 km (0.09 R)
• M6: 2,208,364 km (0.074 R)
• M7: 2,391,172 km (0.059 R)
• M8: 7,077,475 km (0.08 R)
• M9: 7,512,655 km (0.084 R)
• M10: 8,801,142 km (0.092 R)
• M11: 11,907,392 km (0.091 R)
• M12: 12,059,234 km (0.075 R)
• M13: 13,704,063 km (0.062 R)
• M14: 14,151,659 km (0.087 R)
• M15: 14,782,813 km (0.071 R)
• M16: 16,039,585 km (0.088 R)
• M17: 20,163,100 km (0.109 R)
• M18: 25,439,716 km (0.111 R)
• M19: 26,629,468 km (0.054 R)
• M20: 27,413,660 km (0.104 R)
• M21: 28,213,261 km (0.119 R)
• M22: 29,765,488 km (0.076 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 15,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit