🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.2

Radius: 9.9

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.42 AU - 0.66 AU

Year: 269 Days

Day: 9.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,939,650 km

• M1: 123,568 km (0.12 R)
• M2: 466,895 km (0.092 R)
• M3: 844,779 km (0.027 R)
• M4: 1,334,563 km (0.107 R)
• M5: 1,643,033 km (0.083 R)
• M6: 2,408,675 km (0.103 R)
• M7: 2,788,504 km (0.102 R)
• M8: 3,116,872 km (0.086 R)
• M9: 3,602,616 km (0.084 R)
• M10: 4,174,977 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.7

Radius: 8.5

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.96 AU - 1.04 AU

Year: 678 Days

Day: 9.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,939,650 km

• M1: 105,766 km (0.081 R)
• M2: 447,298 km (0.105 R)
• M3: 896,540 km (0.115 R)
• M4: 1,205,310 km (0.109 R)
• M5: 1,643,033 km (0.098 R)
• M6: 2,219,434 km (0.078 R)
• M7: 2,870,484 km (0.111 R)
• M8: 3,311,648 km (0.078 R)
• M9: 4,833,806 km (0.107 R)
• M10: 5,294,119 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.6

Radius: 10.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.7 AU - 2.76 AU

Year: 2259 Days

Day: 7.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,939,650 km

• M1: 135,536 km (0.118 R)
• M2: 1,108,221 km (0.061 R)
• M3: 1,869,525 km (0.085 R)
• M4: 2,411,069 km (0.1 R)
• M5: 2,819,022 km (0.106 R)
• M6: 3,272,902 km (0.089 R)
• M7: 4,445,750 km (0.086 R)
• M8: 5,237,721 km (0.107 R)
• M9: 6,598,762 km (0.117 R)
• M10: 7,020,179 km (0.094 R)
• M11: 7,887,997 km (0.107 R)
• M12: 8,272,613 km (0.089 R)
• M13: 9,143,721 km (0.1 R)
• M14: 10,143,783 km (0.056 R)
• M15: 11,104,800 km (0.118 R)
• M16: 12,281,836 km (0.041 R)
• M17: 13,373,152 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.8

Radius: 14.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.27 AU - 3.45 AU

Year: 4177 Days

Day: 7.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,939,650 km

• M1: 176,525 km (0.094 R)
• M2: 619,036 km (0.075 R)
• M3: 1,070,223 km (0.077 R)
• M4: 1,935,198 km (0.086 R)
• M5: 4,274,460 km (0.114 R)
• M6: 4,991,782 km (0.082 R)
• M7: 5,588,528 km (0.093 R)
• M8: 6,763,918 km (0.118 R)
• M9: 7,811,103 km (0.052 R)
• M10: 9,318,900 km (0.109 R)
• M11: 10,746,812 km (0.081 R)
• M12: 14,785,206 km (0.112 R)
• M13: 15,282,619 km (0.086 R)
• M14: 16,486,733 km (0.089 R)
• M15: 17,202,708 km (0.091 R)
• M16: 18,889,424 km (0.091 R)
• M17: 19,873,030 km (0.061 R)
• M18: 20,343,515 km (0.066 R)
• M19: 21,376,937 km (0.112 R)
• M20: 22,517,621 km (0.066 R)
• M21: 27,738,437 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 14.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.84 AU - 3.9 AU

Year: 5164 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,939,650 km

• M1: 182,509 km (0.096 R)
• M2: 706,252 km (0.089 R)
• M3: 1,417,889 km (0.089 R)
• M4: 2,780,725 km (0.076 R)
• M5: 3,338,725 km (0.064 R)
• M6: 3,902,410 km (0.055 R)
• M7: 4,503,943 km (0.107 R)
• M8: 4,975,176 km (0.086 R)
• M9: 5,744,109 km (0.083 R)
• M10: 6,857,866 km (0.083 R)
• M11: 7,775,200 km (0.106 R)
• M12: 9,512,330 km (0.085 R)
• M13: 10,115,958 km (0.06 R)
• M14: 11,352,683 km (0.093 R)
• M15: 12,483,643 km (0.074 R)
• M16: 13,960,473 km (0.062 R)
• M17: 14,741,374 km (0.075 R)
• M18: 18,290,434 km (0.085 R)
• M19: 19,705,331 km (0.118 R)
• M20: 26,774,129 km (0.078 R)
• M21: 29,856,444 km (0.118 R)
• M22: 32,198,249 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 13.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.01 AU - 4.85 AU

Year: 6324 Days

Day: 9.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,939,650 km

• M1: 171,738 km (0.075 R)
• M2: 1,327,382 km (0.113 R)
• M3: 1,766,452 km (0.103 R)
• M4: 2,304,705 km (0.118 R)
• M5: 3,206,481 km (0.074 R)
• M6: 6,253,789 km (0.065 R)
• M7: 11,479,841 km (0.104 R)
• M8: 12,979,560 km (0.077 R)
• M9: 17,355,148 km (0.06 R)
• M10: 24,450,575 km (0.051 R)
• M11: 25,899,281 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.7

Radius: 9.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.85 AU - 5.05 AU

Year: 7470 Days

Day: 14.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,939,650 km

• M1: 121,324 km (0.085 R)
• M2: 707,299 km (0.088 R)
• M3: 1,313,619 km (0.118 R)
• M4: 1,778,569 km (0.12 R)
• M5: 2,662,693 km (0.075 R)
• M6: 3,081,567 km (0.068 R)
• M7: 3,522,132 km (0.107 R)
• M8: 3,909,142 km (0.098 R)
• M9: 4,608,662 km (0.101 R)
• M10: 5,448,354 km (0.074 R)
• M11: 6,386,931 km (0.076 R)
• M12: 9,413,446 km (0.057 R)
• M13: 10,071,826 km (0.108 R)
• M14: 10,807,698 km (0.075 R)
• M15: 11,927,588 km (0.106 R)
• M16: 12,751,124 km (0.09 R)
• M17: 14,917,002 km (0.108 R)
• M18: 16,741,947 km (0.048 R)
• M19: 18,238,524 km (0.105 R)
• M20: 18,711,103 km (0.092 R)
• M21: 20,538,591 km (0.106 R)
• M22: 23,103,895 km (0.093 R)
• M23: 26,130,260 km (0.083 R)
• M24: 26,472,390 km (0.034 R)
• M25: 26,817,662 km (0.084 R)
• M26: 28,049,750 km (0.057 R)
• M27: 30,248,989 km (0.115 R)
• M28: 30,626,424 km (0.025 R)
• M29: 32,758,493 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.9

Radius: 5

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.23 AU - 7.39 AU

Year: 10751 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,939,650 km

• M1: 62,233 km (0.101 R)
• M2: 775,067 km (0.032 R)
• M3: 957,576 km (0.107 R)
• M4: 1,326,784 km (0.099 R)
• M5: 1,590,674 km (0.109 R)
• M6: 1,800,111 km (0.095 R)
• M7: 1,980,825 km (0.111 R)
• M8: 2,990,461 km (0.098 R)
• M9: 3,895,229 km (0.09 R)
• M10: 4,768,582 km (0.107 R)
• M11: 5,993,489 km (0.086 R)
• M12: 7,338,374 km (0.073 R)
• M13: 8,787,080 km (0.095 R)
• M14: 11,711,269 km (0.057 R)
• M15: 12,998,559 km (0.114 R)
• M16: 13,278,157 km (0.101 R)
• M17: 14,318,012 km (0.059 R)
• M18: 17,354,550 km (0.081 R)
• M19: 23,819,721 km (0.047 R)
• M20: 24,407,341 km (0.052 R)
• M21: 25,090,704 km (0.087 R)
• M22: 28,230,764 km (0.099 R)
• M23: 31,222,272 km (0.066 R)
• M24: 32,128,835 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 17,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit