🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.7

Radius: 9

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.5 AU - 0.56 AU

Year: 266 Days

Day: 12.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 10,127,159 km

• M1: 112,647 km (0.109 R)
• M2: 491,429 km (0.109 R)
• M3: 779,704 km (0.072 R)
• M4: 1,059,901 km (0.099 R)
• M5: 1,431,502 km (0.063 R)
• M6: 1,822,102 km (0.103 R)
• M7: 2,116,361 km (0.107 R)
• M8: 2,434,257 km (0.065 R)
• M9: 3,061,371 km (0.105 R)
• M10: 3,428,933 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 14.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.61 AU - 0.69 AU

Year: 362 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 10,127,159 km

• M1: 179,069 km (0.086 R)
• M2: 650,601 km (0.071 R)
• M3: 1,233,434 km (0.119 R)
• M4: 2,614,073 km (0.07 R)
• M5: 3,124,052 km (0.063 R)
• M6: 4,500,502 km (0.101 R)
• M7: 5,055,361 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 13.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.67 AU - 0.73 AU

Year: 404 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 10,127,159 km

• M1: 169,195 km (0.108 R)
• M2: 616,792 km (0.057 R)
• M3: 1,079,648 km (0.085 R)
• M4: 1,765,554 km (0.081 R)
• M5: 3,148,437 km (0.087 R)
• M6: 4,033,907 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 11.8

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.75 AU - 0.99 AU

Year: 560 Days

Day: 11 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,127,159 km

• M1: 146,756 km (0.092 R)
• M2: 520,301 km (0.066 R)
• M3: 1,181,524 km (0.11 R)
• M4: 1,679,984 km (0.028 R)
• M5: 2,079,410 km (0.107 R)
• M6: 2,671,668 km (0.09 R)
• M7: 3,666,195 km (0.086 R)
• M8: 4,121,571 km (0.114 R)
• M9: 5,112,657 km (0.071 R)
• M10: 5,926,619 km (0.08 R)
• M11: 7,362,310 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315

Radius: 10.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.98 AU - 1.18 AU

Year: 775 Days

Day: 14.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,127,159 km

• M1: 125,961 km (0.071 R)
• M2: 467,942 km (0.111 R)
• M3: 873,652 km (0.067 R)
• M4: 1,296,714 km (0.097 R)
• M5: 1,623,286 km (0.057 R)
• M6: 1,979,778 km (0.079 R)
• M7: 2,331,034 km (0.07 R)
• M8: 3,208,725 km (0.075 R)
• M9: 3,632,087 km (0.115 R)
• M10: 4,351,652 km (0.068 R)
• M11: 5,180,125 km (0.096 R)
• M12: 5,501,611 km (0.116 R)
• M13: 6,664,436 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314

Radius: 14.1

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.18 AU - 1.4 AU

Year: 1011 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,127,159 km

• M1: 175,478 km (0.065 R)
• M2: 651,648 km (0.094 R)
• M3: 1,138,739 km (0.112 R)
• M4: 1,887,327 km (0.061 R)
• M5: 2,350,332 km (0.063 R)
• M6: 3,067,804 km (0.104 R)
• M7: 3,633,732 km (0.065 R)
• M8: 4,133,090 km (0.11 R)
• M9: 4,678,524 km (0.105 R)
• M10: 5,324,936 km (0.117 R)
• M11: 6,206,516 km (0.11 R)
• M12: 6,734,747 km (0.077 R)
• M13: 7,337,177 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.7

Radius: 12.5

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.93 AU - 2.33 AU

Year: 2146 Days

Day: 5 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 10,127,159 km

• M1: 155,432 km (0.083 R)
• M2: 553,363 km (0.061 R)
• M3: 1,177,634 km (0.119 R)
• M4: 1,639,443 km (0.03 R)
• M5: 2,301,414 km (0.094 R)
• M6: 2,973,258 km (0.045 R)
• M7: 3,605,608 km (0.116 R)
• M8: 4,557,948 km (0.092 R)
• M9: 5,924,824 km (0.117 R)
• M10: 7,190,571 km (0.046 R)
• M11: 8,236,410 km (0.116 R)
• M12: 10,938,596 km (0.093 R)
• M13: 11,333,535 km (0.12 R)
• M14: 12,533,160 km (0.029 R)
• M15: 15,626,395 km (0.085 R)
• M16: 16,127,997 km (0.104 R)
• M17: 17,111,004 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 10.8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.94 AU - 2.62 AU

Year: 2376 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 10,127,159 km

• M1: 134,488 km (0.087 R)
• M2: 520,152 km (0.102 R)
• M3: 1,218,774 km (0.074 R)
• M4: 2,865,996 km (0.049 R)
• M5: 7,370,687 km (0.103 R)
• M6: 8,947,748 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 13,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit