🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 11.7

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.53 AU - 0.63 AU

Year: 310 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,925,665 km

• M1: 145,559 km (0.106 R)
• M2: 521,648 km (0.108 R)
• M3: 1,159,982 km (0.093 R)
• M4: 1,581,848 km (0.119 R)
• M5: 2,447,122 km (0.045 R)
• M6: 3,112,384 km (0.073 R)
• M7: 4,084,171 km (0.097 R)
• M8: 4,536,705 km (0.094 R)
• M9: 4,905,165 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 9.6

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.89 AU - 1.01 AU

Year: 651 Days

Day: 14.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,925,665 km

• M1: 119,379 km (0.102 R)
• M2: 452,234 km (0.117 R)
• M3: 767,287 km (0.059 R)
• M4: 1,300,753 km (0.108 R)
• M5: 1,723,816 km (0.104 R)
• M6: 2,325,798 km (0.025 R)
• M7: 2,782,072 km (0.104 R)
• M8: 3,960,903 km (0.047 R)
• M9: 4,958,571 km (0.094 R)
• M10: 5,480,219 km (0.083 R)
• M11: 5,791,981 km (0.089 R)
• M12: 7,577,282 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.3

Radius: 14.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.92 AU - 1.46 AU

Year: 912 Days

Day: 13.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,925,665 km

• M1: 185,352 km (0.09 R)
• M2: 755,320 km (0.051 R)
• M3: 1,250,937 km (0.11 R)
• M4: 1,973,346 km (0.053 R)
• M5: 2,779,379 km (0.085 R)
• M6: 3,404,698 km (0.087 R)
• M7: 6,262,765 km (0.09 R)
• M8: 6,857,566 km (0.107 R)
• M9: 7,417,810 km (0.063 R)
• M10: 9,090,763 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 12.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.06 AU - 1.36 AU

Year: 936 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,925,665 km

• M1: 159,172 km (0.046 R)
• M2: 605,123 km (0.109 R)
• M3: 1,006,494 km (0.112 R)
• M4: 1,504,655 km (0.116 R)
• M5: 1,932,804 km (0.102 R)
• M6: 2,496,938 km (0.11 R)
• M7: 2,908,631 km (0.097 R)
• M8: 3,352,787 km (0.112 R)
• M9: 4,725,198 km (0.087 R)
• M10: 5,251,633 km (0.051 R)
• M11: 5,777,919 km (0.104 R)
• M12: 6,318,864 km (0.067 R)
• M13: 6,849,488 km (0.062 R)
• M14: 7,572,195 km (0.056 R)
• M15: 8,025,028 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.2

Radius: 12.5

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.03 AU - 1.41 AU

Year: 947 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,925,665 km

• M1: 155,432 km (0.069 R)
• M2: 579,393 km (0.119 R)
• M3: 1,046,138 km (0.117 R)
• M4: 1,493,884 km (0.116 R)
• M5: 1,906,774 km (0.077 R)
• M6: 2,532,094 km (0.106 R)
• M7: 2,983,580 km (0.09 R)
• M8: 3,445,688 km (0.118 R)
• M9: 3,862,168 km (0.04 R)
• M10: 4,345,818 km (0.112 R)
• M11: 5,016,465 km (0.103 R)
• M12: 5,898,943 km (0.09 R)
• M13: 6,859,212 km (0.1 R)
• M14: 7,256,993 km (0.117 R)
• M15: 8,202,750 km (0.074 R)
• M16: 8,759,703 km (0.077 R)
• M17: 9,257,116 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.6

Radius: 10.2

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.19 AU - 1.93 AU

Year: 1370 Days

Day: 12.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,925,665 km

• M1: 127,009 km (0.113 R)
• M2: 462,557 km (0.109 R)
• M3: 821,292 km (0.075 R)
• M4: 1,230,742 km (0.077 R)
• M5: 2,074,025 km (0.071 R)
• M6: 2,536,432 km (0.113 R)
• M7: 3,122,407 km (0.088 R)
• M8: 3,546,218 km (0.092 R)
• M9: 3,942,353 km (0.094 R)
• M10: 4,385,462 km (0.083 R)
• M11: 4,748,685 km (0.087 R)
• M12: 5,939,484 km (0.096 R)
• M13: 7,095,726 km (0.049 R)
• M14: 7,445,037 km (0.026 R)
• M15: 8,534,409 km (0.068 R)
• M16: 9,485,851 km (0.032 R)
• M17: 10,379,100 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.5

Radius: 7.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.38 AU - 9.6 AU

Year: 20550 Days

Day: 21.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,925,665 km

• M1: 93,349 km (0.09 R)
• M2: 368,908 km (0.097 R)
• M3: 1,170,603 km (0.037 R)
• M4: 1,536,669 km (0.099 R)
• M5: 1,913,955 km (0.104 R)
• M6: 3,244,030 km (0.107 R)
• M7: 3,546,517 km (0.051 R)
• M8: 4,289,719 km (0.092 R)
• M9: 4,654,738 km (0.105 R)
• M10: 5,163,371 km (0.088 R)
• M11: 6,326,793 km (0.036 R)
• M12: 9,207,001 km (0.091 R)
• M13: 12,632,643 km (0.084 R)
• M14: 18,526,948 km (0.075 R)
• M15: 18,895,707 km (0.115 R)
• M16: 22,437,287 km (0.113 R)
• M17: 26,212,539 km (0.045 R)
• M18: 26,958,733 km (0.097 R)
• M19: 33,337,736 km (0.106 R)
• M20: 33,993,124 km (0.03 R)
• M21: 40,530,252 km (0.09 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 19,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit