🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.9

Radius: 14.2

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.59 AU - 0.63 AU

Year: 335 Days

Day: 12.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,384,131 km

• M1: 176,675 km (0.03 R)
• M2: 668,702 km (0.081 R)
• M3: 1,271,133 km (0.065 R)
• M4: 2,479,435 km (0.102 R)
• M5: 3,169,380 km (0.117 R)
• M6: 3,698,359 km (0.075 R)
• M7: 4,326,819 km (0.089 R)
• M8: 5,347,974 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.3

Radius: 9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.33 AU - 1.79 AU

Year: 1370 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,384,131 km

• M1: 113,096 km (0.076 R)
• M2: 473,926 km (0.084 R)
• M3: 761,453 km (0.113 R)
• M4: 1,191,397 km (0.089 R)
• M5: 1,552,826 km (0.11 R)
• M6: 1,833,920 km (0.077 R)
• M7: 2,201,781 km (0.12 R)
• M8: 4,260,248 km (0.053 R)
• M9: 4,764,393 km (0.056 R)
• M10: 7,284,968 km (0.115 R)
• M11: 7,853,589 km (0.111 R)
• M12: 9,767,544 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.6

Radius: 9.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.88 AU - 2.2 AU

Year: 2048 Days

Day: 12.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,384,131 km

• M1: 114,442 km (0.112 R)
• M2: 466,895 km (0.03 R)
• M3: 767,886 km (0.075 R)
• M4: 1,389,016 km (0.076 R)
• M5: 1,974,692 km (0.114 R)
• M6: 2,365,292 km (0.033 R)
• M7: 3,103,109 km (0.053 R)
• M8: 3,814,447 km (0.096 R)
• M9: 4,582,482 km (0.114 R)
• M10: 5,558,907 km (0.036 R)
• M11: 6,086,539 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 8.3

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.33 AU - 2.59 AU

Year: 2712 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,384,131 km

• M1: 103,223 km (0.066 R)
• M2: 384,018 km (0.119 R)
• M3: 904,170 km (0.093 R)
• M4: 1,366,876 km (0.062 R)
• M5: 1,817,614 km (0.107 R)
• M6: 2,781,772 km (0.103 R)
• M7: 3,086,653 km (0.107 R)
• M8: 3,586,160 km (0.069 R)
• M9: 4,334,598 km (0.111 R)
• M10: 4,793,265 km (0.107 R)
• M11: 5,620,691 km (0.082 R)
• M12: 6,452,605 km (0.092 R)
• M13: 7,950,828 km (0.106 R)
• M14: 8,324,374 km (0.101 R)
• M15: 9,937,487 km (0.062 R)
• M16: 10,572,680 km (0.041 R)
• M17: 11,024,765 km (0.065 R)
• M18: 11,319,173 km (0.081 R)
• M19: 11,748,818 km (0.102 R)
• M20: 12,056,092 km (0.079 R)
• M21: 12,640,870 km (0.078 R)
• M22: 16,336,087 km (0.115 R)
• M23: 19,083,901 km (0.044 R)
• M24: 19,386,837 km (0.068 R)
• M25: 20,694,023 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.7

Radius: 10.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.17 AU - 2.89 AU

Year: 2829 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,384,131 km

• M1: 135,386 km (0.08 R)
• M2: 620,083 km (0.118 R)
• M3: 1,239,119 km (0.109 R)
• M4: 1,643,333 km (0.102 R)
• M5: 2,037,074 km (0.036 R)
• M6: 2,564,407 km (0.052 R)
• M7: 3,875,482 km (0.09 R)
• M8: 4,581,734 km (0.062 R)
• M9: 5,687,561 km (0.066 R)
• M10: 6,171,361 km (0.059 R)
• M11: 7,221,688 km (0.087 R)
• M12: 10,364,888 km (0.104 R)
• M13: 10,818,020 km (0.077 R)
• M14: 12,132,238 km (0.064 R)
• M15: 12,678,270 km (0.11 R)
• M16: 13,955,387 km (0.092 R)
• M17: 15,219,639 km (0.079 R)
• M18: 15,904,498 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 11.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.25 AU - 3.97 AU

Year: 4821 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,384,131 km

• M1: 145,708 km (0.117 R)
• M2: 943,364 km (0.047 R)
• M3: 1,511,686 km (0.04 R)
• M4: 3,746,080 km (0.052 R)
• M5: 6,703,181 km (0.098 R)
• M6: 7,788,813 km (0.038 R)
• M7: 9,096,598 km (0.103 R)
• M8: 12,142,859 km (0.058 R)
• M9: 15,498,339 km (0.063 R)
• M10: 16,723,845 km (0.047 R)
• M11: 19,853,881 km (0.109 R)
• M12: 21,947,952 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.7

Radius: 14

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.59 AU - 5.03 AU

Year: 7415 Days

Day: 7.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,384,131 km

• M1: 246,986 km (0.114 R)
• M2: 1,082,640 km (0.111 R)
• M3: 1,576,762 km (0.104 R)
• M4: 2,026,752 km (0.109 R)
• M5: 3,375,377 km (0.105 R)
• M6: 3,854,838 km (0.116 R)
• M7: 4,717,868 km (0.104 R)
• M8: 5,414,994 km (0.095 R)
• M9: 8,561,337 km (0.098 R)
• M10: 9,368,118 km (0.062 R)
• M11: 9,838,005 km (0.112 R)
• M12: 10,927,227 km (0.1 R)
• M13: 11,395,468 km (0.06 R)
• M14: 14,742,571 km (0.077 R)
• M15: 18,549,538 km (0.098 R)
• M16: 19,900,855 km (0.081 R)
• M17: 20,365,656 km (0.099 R)
• M18: 21,316,949 km (0.115 R)
• M19: 25,968,246 km (0.093 R)
• M20: 26,804,198 km (0.11 R)
• M21: 28,237,346 km (0.103 R)
• M22: 29,520,297 km (0.079 R)
• M23: 31,256,082 km (0.118 R)
• M24: 37,338,432 km (0.089 R)
• M25: 39,977,787 km (0.12 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 13,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit