🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.9

Radius: 10.8

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.62 AU - 0.86 AU

Year: 447 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,880,306 km

• M1: 134,638 km (0.107 R)
• M2: 518,357 km (0.09 R)
• M3: 1,227,151 km (0.084 R)
• M4: 1,576,612 km (0.077 R)
• M5: 2,347,041 km (0.059 R)
• M6: 2,807,354 km (0.115 R)
• M7: 3,278,886 km (0.091 R)
• M8: 3,682,950 km (0.103 R)
• M9: 4,021,789 km (0.089 R)
• M10: 4,731,481 km (0.11 R)
• M11: 5,769,541 km (0.09 R)
• M12: 6,419,095 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.2

Radius: 15

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.1 AU - 1.22 AU

Year: 878 Days

Day: 11.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,880,306 km

• M1: 187,596 km (0.043 R)
• M2: 714,779 km (0.11 R)
• M3: 1,194,988 km (0.066 R)
• M4: 1,754,633 km (0.101 R)
• M5: 2,276,281 km (0.061 R)
• M6: 2,961,888 km (0.109 R)
• M7: 3,550,257 km (0.117 R)
• M8: 4,152,388 km (0.059 R)
• M9: 4,965,004 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.2

Radius: 13.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.3 AU - 1.38 AU

Year: 1090 Days

Day: 6.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,880,306 km

• M1: 163,062 km (0.117 R)
• M2: 574,456 km (0.051 R)
• M3: 1,040,902 km (0.1 R)
• M4: 2,081,056 km (0.092 R)
• M5: 2,495,891 km (0.072 R)
• M6: 3,067,953 km (0.117 R)
• M7: 3,511,062 km (0.061 R)
• M8: 4,313,355 km (0.117 R)
• M9: 4,854,750 km (0.082 R)
• M10: 5,460,472 km (0.101 R)
• M11: 6,346,241 km (0.119 R)
• M12: 7,048,902 km (0.083 R)
• M13: 8,174,476 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.4

Radius: 12.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.88 AU - 2.16 AU

Year: 2018 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,880,306 km

• M1: 157,975 km (0.098 R)
• M2: 627,563 km (0.063 R)
• M3: 1,320,500 km (0.098 R)
• M4: 2,030,492 km (0.097 R)
• M5: 2,568,147 km (0.086 R)
• M6: 3,578,830 km (0.105 R)
• M7: 4,025,230 km (0.045 R)
• M8: 4,448,891 km (0.107 R)
• M9: 4,966,649 km (0.117 R)
• M10: 7,090,041 km (0.039 R)
• M11: 8,337,987 km (0.118 R)
• M12: 9,829,777 km (0.118 R)
• M13: 11,569,002 km (0.052 R)
• M14: 12,073,595 km (0.099 R)
• M15: 12,796,303 km (0.109 R)
• M16: 13,761,658 km (0.12 R)
• M17: 14,328,484 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 14.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.08 AU - 2.52 AU

Year: 2452 Days

Day: 7.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,880,306 km

• M1: 186,399 km (0.057 R)
• M2: 744,549 km (0.097 R)
• M3: 1,210,995 km (0.105 R)
• M4: 3,202,442 km (0.112 R)
• M5: 4,825,279 km (0.075 R)
• M6: 5,569,529 km (0.058 R)
• M7: 6,389,325 km (0.116 R)
• M8: 6,893,171 km (0.079 R)
• M9: 7,839,078 km (0.106 R)
• M10: 9,922,976 km (0.105 R)
• M11: 10,600,804 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 9

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.23 AU - 2.83 AU

Year: 2829 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,880,306 km

• M1: 113,545 km (0.119 R)
• M2: 408,851 km (0.045 R)
• M3: 790,774 km (0.033 R)
• M4: 1,660,088 km (0.07 R)
• M5: 2,403,140 km (0.031 R)
• M6: 3,565,516 km (0.112 R)
• M7: 3,999,948 km (0.093 R)
• M8: 4,490,479 km (0.089 R)
• M9: 4,772,621 km (0.109 R)
• M10: 5,372,808 km (0.099 R)
• M11: 5,893,558 km (0.112 R)
• M12: 6,259,175 km (0.081 R)
• M13: 8,747,137 km (0.107 R)
• M14: 9,861,492 km (0.085 R)
• M15: 10,873,222 km (0.036 R)
• M16: 11,585,158 km (0.086 R)
• M17: 14,045,295 km (0.063 R)
• M18: 15,033,539 km (0.078 R)
• M19: 16,524,581 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.1

Radius: 6.5

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.19 AU - 7.85 AU

Year: 11703 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,880,306 km

• M1: 81,232 km (0.093 R)
• M2: 310,266 km (0.119 R)
• M3: 629,209 km (0.057 R)
• M4: 1,092,663 km (0.048 R)
• M5: 1,647,073 km (0.103 R)
• M6: 2,028,248 km (0.098 R)
• M7: 3,555,343 km (0.088 R)
• M8: 4,301,388 km (0.051 R)
• M9: 5,658,689 km (0.094 R)
• M10: 5,926,918 km (0.084 R)
• M11: 7,476,902 km (0.085 R)
• M12: 11,039,575 km (0.097 R)
• M13: 11,888,992 km (0.079 R)
• M14: 12,385,507 km (0.094 R)
• M15: 12,667,349 km (0.036 R)
• M16: 13,958,229 km (0.103 R)
• M17: 14,263,409 km (0.112 R)
• M18: 15,334,530 km (0.103 R)
• M19: 16,189,182 km (0.06 R)
• M20: 16,458,309 km (0.092 R)
• M21: 17,494,573 km (0.115 R)
• M22: 17,921,077 km (0.05 R)
• M23: 20,705,542 km (0.088 R)
• M24: 21,748,538 km (0.101 R)
• M25: 22,241,613 km (0.051 R)
• M26: 25,720,960 km (0.117 R)
• M27: 28,070,544 km (0.083 R)
• M28: 30,456,930 km (0.075 R)
• M29: 31,385,783 km (0.038 R)
• M30: 34,952,944 km (0.063 R)
• M31: 40,610,436 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 11,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit