🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.85 AU - 0.87 AU

Year: 307 Days

Day: 24.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 29.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.33 AU - 1.83 AU

Year: 765 Days

Day: 20.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.3

Radius: 8.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.9 AU - 5.92 AU

Year: 4189 Days

Day: 6 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,519,111 km

• M1: 108,159 km (0.096 R)
• M2: 392,994 km (0.083 R)
• M3: 850,913 km (0.113 R)
• M4: 1,652,907 km (0.033 R)
• M5: 2,120,550 km (0.118 R)
• M6: 2,719,390 km (0.075 R)
• M7: 3,269,162 km (0.095 R)
• M8: 4,189,638 km (0.032 R)
• M9: 4,923,565 km (0.093 R)
• M10: 5,842,395 km (0.056 R)
• M11: 6,261,868 km (0.103 R)
• M12: 9,075,205 km (0.096 R)
• M13: 10,224,715 km (0.049 R)
• M14: 11,468,622 km (0.052 R)
• M15: 12,422,906 km (0.099 R)
• M16: 12,853,898 km (0.094 R)
• M17: 13,883,281 km (0.109 R)
• M18: 15,603,208 km (0.118 R)
• M19: 17,838,349 km (0.036 R)
• M20: 19,004,016 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.1

Radius: 12.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.56 AU - 6.66 AU

Year: 5815 Days

Day: 6.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,519,111 km

• M1: 155,432 km (0.086 R)
• M2: 1,746,705 km (0.117 R)
• M3: 2,198,939 km (0.114 R)
• M4: 3,791,408 km (0.091 R)
• M5: 5,376,099 km (0.105 R)
• M6: 5,933,949 km (0.081 R)
• M7: 8,599,484 km (0.074 R)
• M8: 10,898,504 km (0.108 R)
• M9: 12,983,001 km (0.09 R)
• M10: 14,093,466 km (0.108 R)
• M11: 23,340,260 km (0.081 R)
• M12: 25,594,550 km (0.102 R)
• M13: 26,377,246 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.7

Radius: 10.7

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.67 AU - 8.41 AU

Year: 7192 Days

Day: 13.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,519,111 km

• M1: 136,583 km (0.062 R)
• M2: 597,344 km (0.082 R)
• M3: 1,220,419 km (0.068 R)
• M4: 1,625,830 km (0.045 R)
• M5: 2,318,617 km (0.065 R)
• M6: 3,159,208 km (0.083 R)
• M7: 3,671,581 km (0.117 R)
• M8: 4,120,973 km (0.057 R)
• M9: 4,995,970 km (0.096 R)
• M10: 5,577,757 km (0.102 R)
• M11: 6,266,356 km (0.032 R)
• M12: 7,145,841 km (0.108 R)
• M13: 7,776,696 km (0.119 R)
• M14: 8,180,161 km (0.1 R)
• M15: 8,597,689 km (0.094 R)
• M16: 9,766,946 km (0.073 R)
• M17: 10,857,365 km (0.119 R)
• M18: 12,027,220 km (0.076 R)
• M19: 14,782,065 km (0.109 R)
• M20: 16,756,158 km (0.079 R)
• M21: 17,121,925 km (0.071 R)
• M22: 19,901,454 km (0.111 R)
• M23: 20,519,143 km (0.028 R)
• M24: 21,720,863 km (0.082 R)
• M25: 23,420,444 km (0.093 R)
• M26: 24,032,000 km (0.115 R)
• M27: 25,526,782 km (0.106 R)
• M28: 26,092,861 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.7

Radius: 12.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.45 AU - 9.25 AU

Year: 10136 Days

Day: 14.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,519,111 km

• M1: 150,495 km (0.059 R)
• M2: 532,568 km (0.083 R)
• M3: 1,257,669 km (0.043 R)
• M4: 1,640,939 km (0.112 R)
• M5: 2,594,775 km (0.103 R)
• M6: 3,609,049 km (0.068 R)
• M7: 4,262,492 km (0.03 R)
• M8: 5,704,316 km (0.099 R)
• M9: 7,287,959 km (0.119 R)
• M10: 8,074,246 km (0.048 R)
• M11: 10,062,402 km (0.07 R)
• M12: 11,466,527 km (0.101 R)
• M13: 13,719,770 km (0.105 R)
• M14: 14,216,136 km (0.041 R)
• M15: 17,306,828 km (0.05 R)
• M16: 17,740,512 km (0.105 R)
• M17: 18,554,624 km (0.084 R)
• M18: 26,082,389 km (0.116 R)
• M19: 26,845,039 km (0.111 R)
• M20: 32,278,433 km (0.078 R)
• M21: 36,242,927 km (0.111 R)
• M22: 36,953,666 km (0.102 R)
• M23: 38,403,120 km (0.034 R)
• M24: 40,141,597 km (0.083 R)
• M25: 43,110,666 km (0.085 R)
• M26: 44,042,660 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.3

Radius: 8

Gravity: 14.58 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 14.49 AU - 15.39 AU

Year: 22233 Days

Day: 20 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,519,111 km

• M1: 99,483 km (0.103 R)
• M2: 369,507 km (0.027 R)
• M3: 780,302 km (0.079 R)
• M4: 1,396,945 km (0.086 R)
• M5: 1,782,159 km (0.112 R)
• M6: 2,741,381 km (0.077 R)
• M7: 3,910,189 km (0.105 R)
• M8: 4,983,105 km (0.029 R)
• M9: 6,798,475 km (0.109 R)
• M10: 20,522,285 km (0.058 R)
• M11: 24,588,804 km (0.103 R)
• M12: 32,873,683 km (0.112 R)
• M13: 38,398,033 km (0.116 R)
• M14: 39,948,466 km (0.118 R)
• M15: 47,797,118 km (0.114 R)
• M16: 48,688,123 km (0.068 R)
• M17: 49,771,810 km (0.092 R)
• M18: 63,842,537 km (0.119 R)
• M19: 66,676,818 km (0.085 R)
• M20: 83,648,098 km (0.094 R)
• M21: 84,941,521 km (0.116 R)
• M22: 85,462,571 km (0.056 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: 437 - 17,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit