🌌 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: 716

Radius: 11.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.46 AU - 0.6 AU

Year: 271 Days

Day: 10 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,127,540 km

• M1: 145,559 km (0.09 R)
• M2: 577,897 km (0.083 R)
• M3: 965,355 km (0.11 R)
• M4: 1,498,223 km (0.088 R)
• M5: 2,137,155 km (0.107 R)
• M6: 3,313,443 km (0.085 R)
• M7: 4,153,884 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 13.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.5 AU - 0.66 AU

Year: 310 Days

Day: 10.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,127,540 km

• M1: 164,408 km (0.098 R)
• M2: 677,379 km (0.056 R)
• M3: 1,137,393 km (0.044 R)
• M4: 1,843,495 km (0.088 R)
• M5: 2,305,303 km (0.101 R)
• M6: 3,016,791 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 13.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.63 AU - 0.69 AU

Year: 377 Days

Day: 13.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 112.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,127,540 km

• M1: 171,589 km (0.102 R)
• M2: 662,569 km (0.096 R)
• M3: 1,312,273 km (0.075 R)
• M4: 1,894,059 km (0.097 R)
• M5: 2,447,421 km (0.062 R)
• M6: 3,635,079 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162

Radius: 10.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.33 AU - 3.01 AU

Year: 3067 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,127,540 km

• M1: 134,339 km (0.1 R)
• M2: 631,602 km (0.056 R)
• M3: 1,342,342 km (0.109 R)
• M4: 2,792,543 km (0.102 R)
• M5: 5,946,665 km (0.072 R)
• M6: 6,865,345 km (0.088 R)
• M7: 7,253,103 km (0.12 R)
• M8: 7,959,953 km (0.063 R)
• M9: 8,475,767 km (0.031 R)
• M10: 11,721,741 km (0.116 R)
• M11: 12,090,051 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695

Radius: 12.5

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.29 AU - 3.39 AU

Year: 4291 Days

Day: 5.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 107.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,127,540 km

• M1: 155,432 km (0.051 R)
• M2: 601,982 km (0.095 R)
• M3: 1,015,171 km (0.073 R)
• M4: 1,650,364 km (0.115 R)
• M5: 2,217,489 km (0.101 R)
• M6: 2,807,354 km (0.055 R)
• M7: 3,876,829 km (0.093 R)
• M8: 4,991,483 km (0.068 R)
• M9: 6,523,664 km (0.096 R)
• M10: 6,935,507 km (0.115 R)
• M11: 8,203,648 km (0.092 R)
• M12: 9,580,696 km (0.063 R)
• M13: 10,710,609 km (0.104 R)
• M14: 12,209,879 km (0.094 R)
• M15: 13,284,291 km (0.063 R)
• M16: 17,972,539 km (0.039 R)
• M17: 18,532,633 km (0.067 R)
• M18: 21,999,115 km (0.078 R)
• M19: 22,568,335 km (0.079 R)
• M20: 25,174,928 km (0.101 R)
• M21: 25,641,075 km (0.053 R)

Asteroid Belt

Center: 3.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 8.7

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.06 AU - 4.44 AU

Year: 6159 Days

Day: 12.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,127,540 km

• M1: 108,758 km (0.059 R)
• M2: 440,715 km (0.098 R)
• M3: 874,100 km (0.1 R)
• M4: 1,162,375 km (0.099 R)
• M5: 1,617,303 km (0.091 R)
• M6: 1,938,639 km (0.041 R)
• M7: 2,252,645 km (0.069 R)
• M8: 2,826,652 km (0.034 R)
• M9: 3,127,643 km (0.105 R)
• M10: 3,700,752 km (0.094 R)
• M11: 4,526,832 km (0.106 R)
• M12: 5,113,405 km (0.086 R)
• M13: 5,410,057 km (0.098 R)
• M14: 5,718,229 km (0.109 R)
• M15: 9,348,521 km (0.115 R)
• M16: 10,487,110 km (0.074 R)
• M17: 11,817,933 km (0.12 R)
• M18: 15,849,446 km (0.116 R)
• M19: 18,691,057 km (0.108 R)
• M20: 19,397,608 km (0.103 R)
• M21: 19,975,504 km (0.054 R)
• M22: 21,317,846 km (0.069 R)
• M23: 23,361,353 km (0.076 R)
• M24: 25,104,617 km (0.116 R)
• M25: 26,843,992 km (0.063 R)
• M26: 27,290,990 km (0.058 R)
• M27: 29,601,379 km (0.104 R)
• M28: 30,950,453 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.2

Radius: 3

Gravity: 20.24 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.2 AU - 7.8 AU

Year: 11649 Days

Day: 17.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,127,540 km

• M1: 38,895 km (0.025 R)
• M2: 137,032 km (0.102 R)
• M3: 532,568 km (0.071 R)
• M4: 693,536 km (0.103 R)
• M5: 967,001 km (0.093 R)
• M6: 1,062,743 km (0.059 R)
• M7: 1,319,004 km (0.069 R)
• M8: 1,982,770 km (0.083 R)
• M9: 2,235,441 km (0.103 R)
• M10: 2,352,576 km (0.075 R)
• M11: 2,672,716 km (0.093 R)
• M12: 3,902,410 km (0.091 R)
• M13: 4,858,340 km (0.092 R)
• M14: 9,356,150 km (0.111 R)
• M15: 9,749,293 km (0.067 R)
• M16: 9,927,464 km (0.111 R)
• M17: 11,730,268 km (0.097 R)
• M18: 15,905,844 km (0.102 R)
• M19: 18,288,788 km (0.113 R)
• M20: 20,678,764 km (0.075 R)
• M21: 22,254,329 km (0.057 R)
• M22: 26,496,476 km (0.118 R)
• M23: 28,897,821 km (0.095 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 19,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit