🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.8

Radius: 14.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.57 AU - 0.81 AU

Year: 370 Days

Day: 10.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,333,322 km

• M1: 178,021 km (0.118 R)
• M2: 798,853 km (0.101 R)
• M3: 1,260,063 km (0.096 R)
• M4: 1,815,520 km (0.109 R)
• M5: 2,563,060 km (0.086 R)
• M6: 3,218,897 km (0.112 R)
• M7: 4,117,382 km (0.036 R)
• M8: 4,706,798 km (0.085 R)
• M9: 5,319,999 km (0.107 R)
• M10: 5,797,665 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.7

Radius: 11.5

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.76 AU - 0.86 AU

Year: 471 Days

Day: 13.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,333,322 km

• M1: 143,165 km (0.113 R)
• M2: 580,440 km (0.083 R)
• M3: 957,576 km (0.115 R)
• M4: 1,348,176 km (0.088 R)
• M5: 1,815,370 km (0.098 R)
• M6: 2,566,651 km (0.097 R)
• M7: 2,936,457 km (0.045 R)
• M8: 3,366,401 km (0.049 R)
• M9: 4,224,644 km (0.117 R)
• M10: 4,728,639 km (0.095 R)
• M11: 5,206,604 km (0.082 R)
• M12: 5,629,218 km (0.089 R)
• M13: 6,129,922 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.4

Radius: 10.1

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.82 AU - 0.96 AU

Year: 542 Days

Day: 10.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,333,322 km

• M1: 125,812 km (0.066 R)
• M2: 563,834 km (0.12 R)
• M3: 899,682 km (0.071 R)
• M4: 1,348,326 km (0.111 R)
• M5: 1,750,744 km (0.047 R)
• M6: 2,071,631 km (0.098 R)
• M7: 2,442,036 km (0.112 R)
• M8: 2,791,496 km (0.058 R)
• M9: 3,293,696 km (0.108 R)
• M10: 3,618,174 km (0.07 R)
• M11: 4,005,483 km (0.082 R)
• M12: 4,494,668 km (0.103 R)
• M13: 5,893,857 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 12.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.05 AU - 1.37 AU

Year: 859 Days

Day: 8.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,333,322 km

• M1: 159,322 km (0.09 R)
• M2: 618,737 km (0.112 R)
• M3: 1,234,631 km (0.081 R)
• M4: 1,666,670 km (0.086 R)
• M5: 2,700,242 km (0.096 R)
• M6: 3,123,604 km (0.108 R)
• M7: 4,288,971 km (0.07 R)
• M8: 4,888,110 km (0.107 R)
• M9: 5,562,647 km (0.065 R)
• M10: 7,461,493 km (0.092 R)
• M11: 7,887,997 km (0.045 R)
• M12: 9,642,181 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.2

Radius: 9.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.31 AU - 2.69 AU

Year: 2552 Days

Day: 12 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,333,322 km

• M1: 118,332 km (0.072 R)
• M2: 805,734 km (0.085 R)
• M3: 1,118,543 km (0.047 R)
• M4: 1,832,275 km (0.112 R)
• M5: 2,782,072 km (0.047 R)
• M6: 3,406,044 km (0.105 R)
• M7: 5,310,276 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.7

Radius: 14.6

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4 AU - 5.42 AU

Year: 6600 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,333,322 km

• M1: 181,612 km (0.054 R)
• M2: 967,749 km (0.075 R)
• M3: 1,502,411 km (0.087 R)
• M4: 2,069,537 km (0.089 R)
• M5: 2,583,406 km (0.056 R)
• M6: 3,182,994 km (0.107 R)
• M7: 3,715,263 km (0.115 R)
• M8: 4,232,722 km (0.103 R)
• M9: 5,128,065 km (0.085 R)
• M10: 6,051,533 km (0.113 R)
• M11: 6,670,569 km (0.085 R)
• M12: 9,325,333 km (0.114 R)
• M13: 9,886,774 km (0.099 R)
• M14: 11,414,168 km (0.071 R)
• M15: 12,413,482 km (0.113 R)
• M16: 13,254,371 km (0.119 R)
• M17: 14,875,115 km (0.095 R)
• M18: 16,313,498 km (0.095 R)
• M19: 20,099,222 km (0.106 R)
• M20: 20,965,094 km (0.08 R)
• M21: 21,630,655 km (0.062 R)
• M22: 23,553,736 km (0.096 R)
• M23: 26,263,851 km (0.081 R)
• M24: 29,912,842 km (0.09 R)
• M25: 32,004,071 km (0.063 R)
• M26: 33,184,996 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.5

Radius: 6.8

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.99 AU - 8.51 AU

Year: 13931 Days

Day: 22.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,333,322 km

• M1: 84,672 km (0.12 R)
• M2: 365,468 km (0.115 R)
• M3: 594,951 km (0.07 R)
• M4: 1,090,269 km (0.12 R)
• M5: 2,517,583 km (0.038 R)
• M6: 2,965,628 km (0.094 R)
• M7: 3,626,252 km (0.051 R)
• M8: 4,079,085 km (0.053 R)
• M9: 4,505,589 km (0.094 R)
• M10: 5,376,398 km (0.109 R)
• M11: 8,272,014 km (0.045 R)
• M12: 9,106,621 km (0.095 R)
• M13: 9,942,125 km (0.089 R)
• M14: 10,213,346 km (0.063 R)
• M15: 12,129,695 km (0.112 R)
• M16: 15,983,186 km (0.071 R)
• M17: 21,923,718 km (0.096 R)
• M18: 22,850,327 km (0.061 R)
• M19: 25,482,202 km (0.08 R)
• M20: 26,923,428 km (0.028 R)
• M21: 29,407,650 km (0.054 R)
• M22: 30,079,943 km (0.088 R)
• M23: 30,306,285 km (0.111 R)
• M24: 30,647,966 km (0.06 R)
• M25: 32,276,638 km (0.113 R)
• M26: 33,962,307 km (0.033 R)
• M27: 34,207,797 km (0.081 R)
• M28: 35,327,088 km (0.094 R)
• M29: 38,165,858 km (0.077 R)
• M30: 42,561,043 km (0.09 R)
• M31: 44,438,945 km (0.108 R)
• M32: 45,770,965 km (0.039 R)
• M33: 46,977,172 km (0.106 R)
• M34: 48,670,022 km (0.115 R)
• M35: 53,327,452 km (0.107 R)
• M36: 57,052,589 km (0.099 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 16,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit