🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.4

Radius: 9.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.5 AU - 0.74 AU

Year: 326 Days

Day: 14.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,219,410 km

• M1: 123,269 km (0.086 R)
• M2: 600,187 km (0.064 R)
• M3: 1,005,298 km (0.059 R)
• M4: 1,586,635 km (0.114 R)
• M5: 2,438,445 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 10.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.62 AU - 0.98 AU

Year: 477 Days

Day: 13.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,219,410 km

• M1: 134,339 km (0.12 R)
• M2: 492,177 km (0.064 R)
• M3: 859,739 km (0.112 R)
• M4: 1,698,684 km (0.118 R)
• M5: 2,540,022 km (0.083 R)
• M6: 3,394,974 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.7

Radius: 10.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.84 AU - 0.94 AU

Year: 560 Days

Day: 7.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,219,410 km

• M1: 126,859 km (0.077 R)
• M2: 473,328 km (0.071 R)
• M3: 833,709 km (0.103 R)
• M4: 1,389,914 km (0.09 R)
• M5: 1,707,660 km (0.073 R)
• M6: 2,222,426 km (0.096 R)
• M7: 2,681,691 km (0.116 R)
• M8: 3,011,854 km (0.11 R)
• M9: 3,804,124 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.2

Radius: 13.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.89 AU - 1.07 AU

Year: 647 Days

Day: 5.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,219,410 km

• M1: 165,455 km (0.094 R)
• M2: 608,265 km (0.067 R)
• M3: 1,040,004 km (0.099 R)
• M4: 1,625,530 km (0.086 R)
• M5: 2,306,799 km (0.091 R)
• M6: 2,793,441 km (0.075 R)
• M7: 3,361,763 km (0.108 R)
• M8: 4,460,410 km (0.12 R)
• M9: 5,102,035 km (0.082 R)
• M10: 5,975,687 km (0.085 R)
• M11: 7,183,540 km (0.037 R)
• M12: 7,696,362 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.8

Radius: 14.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.01 AU - 1.67 AU

Year: 1034 Days

Day: 11.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 179.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,219,410 km

• M1: 180,265 km (0.101 R)
• M2: 672,143 km (0.115 R)
• M3: 1,322,296 km (0.034 R)
• M4: 1,895,555 km (0.113 R)
• M5: 2,405,235 km (0.044 R)
• M6: 3,059,127 km (0.076 R)
• M7: 3,515,849 km (0.114 R)
• M8: 4,131,145 km (0.11 R)
• M9: 5,019,757 km (0.077 R)
• M10: 5,559,805 km (0.058 R)
• M11: 7,129,835 km (0.04 R)
• M12: 8,251,519 km (0.032 R)
• M13: 9,372,905 km (0.08 R)
• M14: 10,378,203 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.4

Radius: 13.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.83 AU - 3.43 AU

Year: 3693 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,219,410 km

• M1: 171,140 km (0.115 R)
• M2: 2,248,007 km (0.05 R)
• M3: 3,023,672 km (0.065 R)
• M4: 7,904,153 km (0.047 R)
• M5: 8,642,119 km (0.1 R)
• M6: 9,800,456 km (0.104 R)
• M7: 11,904,849 km (0.098 R)
• M8: 14,928,521 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.2

Radius: 14.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.43 AU - 4.03 AU

Year: 4804 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,219,410 km

• M1: 182,958 km (0.086 R)
• M2: 776,862 km (0.034 R)
• M3: 1,328,579 km (0.115 R)
• M4: 1,936,096 km (0.056 R)
• M5: 2,910,127 km (0.088 R)
• M6: 3,509,416 km (0.068 R)
• M7: 3,975,414 km (0.096 R)
• M8: 4,482,850 km (0.077 R)
• M9: 5,576,111 km (0.096 R)
• M10: 6,330,832 km (0.09 R)
• M11: 6,809,695 km (0.111 R)
• M12: 7,312,793 km (0.069 R)
• M13: 9,047,829 km (0.114 R)
• M14: 10,375,510 km (0.082 R)
• M15: 10,916,306 km (0.089 R)
• M16: 12,466,290 km (0.03 R)
• M17: 13,858,448 km (0.117 R)
• M18: 14,721,328 km (0.055 R)
• M19: 17,819,350 km (0.058 R)
• M20: 19,458,494 km (0.107 R)
• M21: 20,218,451 km (0.103 R)
• M22: 22,686,966 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.4

Radius: 12.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.87 AU - 6.11 AU

Year: 8578 Days

Day: 9.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,219,410 km

• M1: 162,762 km (0.097 R)
• M2: 621,878 km (0.076 R)
• M3: 3,919,165 km (0.055 R)
• M4: 5,580,300 km (0.098 R)
• M5: 9,852,217 km (0.039 R)
• M6: 11,363,604 km (0.1 R)
• M7: 12,174,873 km (0.079 R)
• M8: 13,229,987 km (0.071 R)
• M9: 17,687,555 km (0.11 R)
• M10: 19,775,642 km (0.103 R)
• M11: 21,232,426 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.7

Radius: 3.6

Gravity: 16.88 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.29 AU - 7.67 AU

Year: 11000 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,219,410 km

• M1: 45,029 km (0.112 R)
• M2: 184,903 km (0.102 R)
• M3: 319,541 km (0.117 R)
• M4: 801,994 km (0.093 R)
• M5: 3,075,882 km (0.1 R)
• M6: 3,997,704 km (0.111 R)
• M7: 6,134,859 km (0.113 R)
• M8: 7,241,734 km (0.112 R)
• M9: 8,115,236 km (0.089 R)
• M10: 10,205,567 km (0.097 R)
• M11: 14,115,756 km (0.045 R)
• M12: 17,169,348 km (0.066 R)
• M13: 20,415,621 km (0.079 R)
• M14: 21,989,690 km (0.053 R)
• M15: 22,531,833 km (0.044 R)
• M16: 25,973,182 km (0.093 R)
• M17: 28,452,169 km (0.118 R)
• M18: 32,559,079 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.2

Radius: 5.3

Gravity: 19.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.94 AU - 7.64 AU

Year: 13126 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,219,410 km

• M1: 75,248 km (0.04 R)
• M2: 989,440 km (0.054 R)
• M3: 1,195,586 km (0.04 R)
• M4: 1,775,128 km (0.051 R)
• M5: 2,118,455 km (0.103 R)
• M6: 2,824,258 km (0.101 R)
• M7: 3,975,863 km (0.117 R)
• M8: 5,514,327 km (0.036 R)
• M9: 7,669,883 km (0.081 R)
• M10: 8,159,816 km (0.089 R)
• M11: 10,013,483 km (0.106 R)
• M12: 12,369,650 km (0.041 R)
• M13: 14,462,075 km (0.085 R)
• M14: 15,139,903 km (0.089 R)
• M15: 17,756,070 km (0.065 R)
• M16: 18,929,815 km (0.043 R)
• M17: 31,570,237 km (0.106 R)
• M18: 34,947,110 km (0.101 R)
• M19: 40,385,591 km (0.105 R)
• M20: 44,780,327 km (0.072 R)
• M21: 47,979,927 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 18,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit