🌌 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: 779.2

Radius: 12

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.52 AU - 0.64 AU

Year: 310 Days

Day: 9.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,178,150 km

• M1: 150,495 km (0.051 R)
• M2: 527,781 km (0.031 R)
• M3: 995,574 km (0.09 R)
• M4: 1,376,600 km (0.091 R)
• M5: 1,991,148 km (0.104 R)
• M6: 2,521,771 km (0.08 R)
• M7: 2,990,461 km (0.074 R)
• M8: 3,918,716 km (0.096 R)
• M9: 4,564,979 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94

Radius: 11.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.6 AU - 0.76 AU

Year: 394 Days

Day: 6.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 36,178,150 km

• M1: 141,071 km (0.1 R)
• M2: 588,668 km (0.066 R)
• M3: 1,050,626 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.5

Radius: 12.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.83 AU - 1.09 AU

Year: 661 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,178,150 km

• M1: 153,188 km (0.12 R)
• M2: 550,670 km (0.074 R)
• M3: 1,476,232 km (0.117 R)
• M4: 1,867,430 km (0.104 R)
• M5: 2,856,571 km (0.09 R)
• M6: 4,087,612 km (0.074 R)
• M7: 4,698,420 km (0.108 R)
• M8: 5,337,502 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430

Radius: 11.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.77 AU - 1.17 AU

Year: 672 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,178,150 km

• M1: 140,772 km (0.073 R)
• M2: 537,505 km (0.117 R)
• M3: 1,021,305 km (0.1 R)
• M4: 1,476,681 km (0.093 R)
• M5: 1,840,652 km (0.038 R)
• M6: 2,293,485 km (0.072 R)
• M7: 2,660,449 km (0.093 R)
• M8: 3,043,868 km (0.101 R)
• M9: 3,464,387 km (0.103 R)
• M10: 3,909,890 km (0.113 R)
• M11: 4,319,938 km (0.07 R)
• M12: 4,997,317 km (0.065 R)
• M13: 5,744,109 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.2

Radius: 8.5

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.87 AU - 2.29 AU

Year: 2109 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,178,150 km

• M1: 111,151 km (0.115 R)
• M2: 375,790 km (0.087 R)
• M3: 686,355 km (0.095 R)
• M4: 1,135,597 km (0.075 R)
• M5: 1,454,989 km (0.045 R)
• M6: 1,909,168 km (0.086 R)
• M7: 2,254,440 km (0.095 R)
• M8: 2,723,579 km (0.113 R)
• M9: 4,530,123 km (0.064 R)
• M10: 4,936,431 km (0.099 R)
• M11: 5,729,150 km (0.111 R)
• M12: 7,848,054 km (0.032 R)
• M13: 10,132,713 km (0.069 R)
• M14: 10,971,807 km (0.12 R)
• M15: 13,558,953 km (0.072 R)
• M16: 14,317,863 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 9.1

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.44 AU - 3.52 AU

Year: 4563 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,178,150 km

• M1: 113,246 km (0.049 R)
• M2: 541,843 km (0.084 R)
• M3: 852,558 km (0.082 R)
• M4: 1,542,803 km (0.091 R)
• M5: 1,874,461 km (0.097 R)
• M6: 2,786,560 km (0.069 R)
• M7: 3,816,242 km (0.068 R)
• M8: 4,103,918 km (0.107 R)
• M9: 4,773,070 km (0.118 R)
• M10: 5,187,007 km (0.116 R)
• M11: 5,596,756 km (0.069 R)
• M12: 6,859,960 km (0.094 R)
• M13: 8,194,373 km (0.067 R)
• M14: 9,734,782 km (0.117 R)
• M15: 11,368,541 km (0.102 R)
• M16: 11,734,607 km (0.07 R)
• M17: 12,929,295 km (0.054 R)
• M18: 14,574,573 km (0.099 R)
• M19: 17,177,426 km (0.108 R)
• M20: 17,598,993 km (0.093 R)
• M21: 18,337,857 km (0.109 R)
• M22: 20,813,851 km (0.095 R)
• M23: 21,155,383 km (0.081 R)
• M24: 24,024,371 km (0.116 R)
• M25: 26,658,789 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.5

Radius: 10.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.29 AU - 5.99 AU

Year: 8191 Days

Day: 13.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,178,150 km

• M1: 135,536 km (0.104 R)
• M2: 644,617 km (0.046 R)
• M3: 1,246,001 km (0.1 R)
• M4: 2,106,936 km (0.11 R)
• M5: 2,531,346 km (0.037 R)
• M6: 2,900,703 km (0.118 R)
• M7: 5,995,135 km (0.097 R)
• M8: 7,437,707 km (0.103 R)
• M9: 8,015,903 km (0.061 R)
• M10: 9,344,033 km (0.049 R)
• M11: 10,904,638 km (0.082 R)
• M12: 12,233,515 km (0.086 R)
• M13: 13,720,668 km (0.072 R)
• M14: 15,267,659 km (0.076 R)
• M15: 17,112,500 km (0.068 R)
• M16: 17,486,046 km (0.09 R)
• M17: 18,968,860 km (0.092 R)
• M18: 21,097,788 km (0.115 R)
• M19: 21,817,204 km (0.103 R)
• M20: 23,305,104 km (0.086 R)
• M21: 24,386,248 km (0.076 R)
• M22: 25,098,633 km (0.064 R)
• M23: 25,500,453 km (0.073 R)
• M24: 25,988,142 km (0.103 R)
• M25: 26,399,387 km (0.112 R)
• M26: 28,087,898 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.9

Radius: 3.8

Gravity: 32.54 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.3 AU - 7.1 AU

Year: 9566 Days

Day: 18.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,178,150 km

• M1: 48,470 km (0.049 R)
• M2: 1,630,168 km (0.109 R)
• M3: 2,123,691 km (0.093 R)
• M4: 2,670,920 km (0.067 R)
• M5: 3,261,234 km (0.059 R)
• M6: 6,047,195 km (0.073 R)
• M7: 6,793,539 km (0.095 R)
• M8: 8,087,111 km (0.082 R)
• M9: 9,770,087 km (0.103 R)
• M10: 10,743,221 km (0.072 R)
• M11: 12,598,833 km (0.111 R)
• M12: 13,455,580 km (0.114 R)
• M13: 17,971,641 km (0.105 R)
• M14: 24,431,277 km (0.056 R)
• M15: 26,671,206 km (0.102 R)
• M16: 30,939,084 km (0.108 R)
• M17: 35,083,393 km (0.072 R)
• M18: 40,307,650 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113

Radius: 4.1

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.96 AU - 9.2 AU

Year: 16145 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,178,150 km

• M1: 68,815 km (0.105 R)
• M2: 441,015 km (0.112 R)
• M3: 1,190,949 km (0.034 R)
• M4: 1,373,009 km (0.114 R)
• M5: 2,049,042 km (0.086 R)
• M6: 5,101,437 km (0.087 R)
• M7: 5,676,790 km (0.087 R)
• M8: 6,395,459 km (0.118 R)
• M9: 7,027,210 km (0.116 R)
• M10: 12,709,985 km (0.095 R)
• M11: 21,083,576 km (0.106 R)
• M12: 23,840,814 km (0.119 R)
• M13: 25,519,452 km (0.118 R)
• M14: 25,691,639 km (0.117 R)
• M15: 26,387,718 km (0.083 R)
• M16: 28,458,901 km (0.101 R)
• M17: 29,392,242 km (0.059 R)
• M18: 30,732,938 km (0.061 R)
• M19: 33,227,632 km (0.118 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 - 16,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit