🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.52 AU - 0.62 AU

Year: 282 Days

Day: 28.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.3

Radius: 8

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.83 AU - 1.37 AU

Year: 757 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 101.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,391,698 km

• M1: 99,483 km (0.076 R)
• M2: 360,830 km (0.113 R)
• M3: 1,003,652 km (0.116 R)
• M4: 1,263,204 km (0.049 R)
• M5: 1,734,737 km (0.071 R)
• M6: 2,067,293 km (0.093 R)
• M7: 2,359,607 km (0.099 R)
• M8: 2,746,767 km (0.105 R)
• M9: 3,788,716 km (0.109 R)
• M10: 4,557,649 km (0.12 R)
• M11: 5,177,732 km (0.053 R)
• M12: 5,795,870 km (0.112 R)
• M13: 6,064,398 km (0.113 R)
• M14: 6,401,592 km (0.071 R)
• M15: 6,688,670 km (0.068 R)
• M16: 7,048,752 km (0.118 R)
• M17: 7,421,700 km (0.07 R)
• M18: 7,784,774 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 11.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.37 AU - 1.57 AU

Year: 1169 Days

Day: 8.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,391,698 km

• M1: 149,448 km (0.061 R)
• M2: 1,058,405 km (0.061 R)
• M3: 1,560,904 km (0.091 R)
• M4: 2,008,501 km (0.076 R)
• M5: 3,980,949 km (0.066 R)
• M6: 4,475,968 km (0.103 R)
• M7: 6,134,709 km (0.065 R)
• M8: 6,797,278 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.5

Radius: 13.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.09 AU - 2.17 AU

Year: 2039 Days

Day: 8.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,391,698 km

• M1: 162,912 km (0.102 R)
• M2: 587,471 km (0.107 R)
• M3: 1,057,208 km (0.106 R)
• M4: 1,755,232 km (0.026 R)
• M5: 2,316,074 km (0.082 R)
• M6: 2,831,888 km (0.112 R)
• M7: 3,341,717 km (0.053 R)
• M8: 3,949,384 km (0.036 R)
• M9: 5,207,203 km (0.081 R)
• M10: 5,832,223 km (0.034 R)
• M11: 6,327,092 km (0.111 R)
• M12: 6,823,009 km (0.068 R)
• M13: 7,260,882 km (0.12 R)
• M14: 7,834,590 km (0.077 R)
• M15: 8,345,766 km (0.097 R)
• M16: 8,815,354 km (0.111 R)
• M17: 9,945,566 km (0.11 R)
• M18: 10,726,766 km (0.094 R)
• M19: 13,233,876 km (0.116 R)
• M20: 13,701,220 km (0.1 R)
• M21: 15,540,825 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352

Radius: 11.6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.44 AU - 4.84 AU

Year: 5526 Days

Day: 14.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,391,698 km

• M1: 144,212 km (0.081 R)
• M2: 541,095 km (0.119 R)
• M3: 971,040 km (0.093 R)
• M4: 1,765,105 km (0.093 R)
• M5: 2,231,402 km (0.105 R)
• M6: 2,679,447 km (0.109 R)
• M7: 3,843,319 km (0.117 R)
• M8: 4,539,398 km (0.037 R)
• M9: 6,852,330 km (0.038 R)
• M10: 10,186,867 km (0.08 R)
• M11: 10,689,665 km (0.102 R)
• M12: 11,564,364 km (0.037 R)
• M13: 12,065,367 km (0.108 R)
• M14: 12,676,176 km (0.067 R)
• M15: 13,505,995 km (0.117 R)
• M16: 14,738,681 km (0.067 R)
• M17: 15,219,788 km (0.077 R)
• M18: 16,841,579 km (0.069 R)
• M19: 17,784,344 km (0.118 R)
• M20: 19,968,773 km (0.089 R)
• M21: 21,430,045 km (0.116 R)
• M22: 21,978,770 km (0.118 R)
• M23: 23,391,572 km (0.057 R)
• M24: 24,194,015 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.9

Radius: 11.3

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.88 AU - 4.56 AU

Year: 5687 Days

Day: 12.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,391,698 km

• M1: 141,071 km (0.094 R)
• M2: 714,031 km (0.119 R)
• M3: 1,994,289 km (0.039 R)
• M4: 2,451,909 km (0.111 R)
• M5: 3,428,933 km (0.037 R)
• M6: 4,042,583 km (0.113 R)
• M7: 4,414,484 km (0.052 R)
• M8: 5,001,356 km (0.107 R)
• M9: 5,519,713 km (0.09 R)
• M10: 6,630,477 km (0.117 R)
• M11: 8,507,930 km (0.062 R)
• M12: 9,375,747 km (0.099 R)
• M13: 10,030,986 km (0.117 R)
• M14: 11,287,309 km (0.044 R)
• M15: 14,795,977 km (0.12 R)
• M16: 22,310,877 km (0.099 R)
• M17: 25,181,959 km (0.043 R)
• M18: 25,683,262 km (0.088 R)
• M19: 26,619,744 km (0.107 R)
• M20: 27,933,363 km (0.108 R)
• M21: 28,741,940 km (0.119 R)
• M22: 29,658,526 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.4

Radius: 7.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.67 AU - 8.53 AU

Year: 12411 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,391,698 km

• M1: 97,687 km (0.069 R)
• M2: 455,675 km (0.12 R)
• M3: 1,536,669 km (0.115 R)
• M4: 2,410,770 km (0.092 R)
• M5: 3,367,747 km (0.056 R)
• M6: 4,354,644 km (0.085 R)
• M7: 5,319,401 km (0.101 R)
• M8: 10,855,270 km (0.062 R)
• M9: 12,818,742 km (0.093 R)
• M10: 15,829,399 km (0.114 R)
• M11: 19,009,551 km (0.032 R)
• M12: 23,358,660 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.8

Radius: 3.5

Gravity: 41.53 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7 AU - 7.84 AU

Year: 13259 Days

Day: 24 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,391,698 km

• M1: 175,179 km (0.093 R)
• M2: 314,604 km (0.071 R)
• M3: 528,380 km (0.086 R)
• M4: 688,749 km (0.118 R)
• M5: 2,268,801 km (0.086 R)
• M6: 4,263,988 km (0.082 R)
• M7: 5,340,943 km (0.106 R)
• M8: 5,548,136 km (0.079 R)
• M9: 5,942,027 km (0.109 R)
• M10: 7,489,318 km (0.113 R)
• M11: 7,705,338 km (0.099 R)
• M12: 10,416,649 km (0.113 R)
• M13: 12,220,201 km (0.053 R)
• M14: 14,090,474 km (0.119 R)
• M15: 19,909,831 km (0.097 R)
• M16: 20,324,217 km (0.103 R)
• M17: 23,479,685 km (0.098 R)
• M18: 30,519,761 km (0.117 R)
• M19: 34,872,760 km (0.048 R)
• M20: 42,286,082 km (0.111 R)
• M21: 44,642,697 km (0.091 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: 354 - 12,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit