🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

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: 288.4

Radius: 12.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.61 AU - 0.61 AU

Year: 329 Days

Day: 8.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,065,640 km

• M1: 151,543 km (0.118 R)
• M2: 553,961 km (0.074 R)
• M3: 1,171,950 km (0.113 R)
• M4: 1,672,654 km (0.087 R)
• M5: 2,165,579 km (0.045 R)
• M6: 2,746,168 km (0.116 R)
• M7: 3,479,497 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.4

Radius: 12.5

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.64 AU - 0.82 AU

Year: 431 Days

Day: 9.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,065,640 km

• M1: 155,432 km (0.118 R)
• M2: 632,500 km (0.088 R)
• M3: 1,148,463 km (0.098 R)
• M4: 1,563,148 km (0.1 R)
• M5: 2,304,256 km (0.101 R)
• M6: 2,783,119 km (0.073 R)
• M7: 3,601,569 km (0.103 R)
• M8: 4,804,336 km (0.046 R)
• M9: 5,354,407 km (0.095 R)
• M10: 6,466,368 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 10.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.02 AU - 1.26 AU

Year: 840 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,065,640 km

• M1: 129,701 km (0.084 R)
• M2: 464,501 km (0.103 R)
• M3: 804,837 km (0.035 R)
• M4: 1,577,210 km (0.09 R)
• M5: 2,430,217 km (0.091 R)
• M6: 4,014,160 km (0.11 R)
• M7: 4,548,972 km (0.072 R)
• M8: 5,684,569 km (0.056 R)
• M9: 7,335,382 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 13.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.34 AU - 2.84 AU

Year: 2877 Days

Day: 9.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,065,640 km

• M1: 175,777 km (0.1 R)
• M2: 876,195 km (0.109 R)
• M3: 1,310,627 km (0.119 R)
• M4: 1,917,097 km (0.089 R)
• M5: 2,378,457 km (0.058 R)
• M6: 2,884,696 km (0.105 R)
• M7: 3,890,741 km (0.098 R)
• M8: 4,747,189 km (0.106 R)
• M9: 6,406,828 km (0.111 R)
• M10: 7,283,023 km (0.106 R)
• M11: 7,870,344 km (0.062 R)
• M12: 8,520,945 km (0.075 R)
• M13: 11,528,610 km (0.095 R)
• M14: 12,084,366 km (0.107 R)
• M15: 12,783,288 km (0.049 R)
• M16: 13,465,454 km (0.073 R)
• M17: 13,904,224 km (0.029 R)
• M18: 15,563,115 km (0.037 R)
• M19: 16,242,738 km (0.071 R)
• M20: 16,790,566 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.9

Radius: 12.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.57 AU - 2.69 AU

Year: 2944 Days

Day: 14.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,065,640 km

• M1: 153,188 km (0.069 R)
• M2: 727,794 km (0.117 R)
• M3: 1,728,155 km (0.092 R)
• M4: 2,168,272 km (0.059 R)
• M5: 3,446,137 km (0.116 R)
• M6: 3,833,445 km (0.046 R)
• M7: 5,085,280 km (0.07 R)
• M8: 5,952,649 km (0.095 R)
• M9: 7,565,763 km (0.069 R)
• M10: 10,325,993 km (0.105 R)
• M11: 11,137,561 km (0.104 R)
• M12: 12,804,680 km (0.093 R)
• M13: 13,352,807 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109

Radius: 9.6

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.22 AU - 3.38 AU

Year: 4138 Days

Day: 11.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,065,640 km

• M1: 119,379 km (0.105 R)
• M2: 426,653 km (0.084 R)
• M3: 1,329,626 km (0.042 R)
• M4: 2,084,646 km (0.1 R)
• M5: 3,334,237 km (0.078 R)
• M6: 4,617,039 km (0.073 R)
• M7: 9,441,570 km (0.038 R)
• M8: 10,034,277 km (0.101 R)
• M9: 10,933,959 km (0.06 R)
• M10: 12,656,429 km (0.083 R)
• M11: 13,013,369 km (0.056 R)
• M12: 13,499,861 km (0.111 R)
• M13: 14,082,844 km (0.119 R)
• M14: 14,423,329 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.3

Radius: 13.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.38 AU - 5.64 AU

Year: 8928 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,065,640 km

• M1: 170,841 km (0.089 R)
• M2: 755,020 km (0.113 R)
• M3: 2,056,971 km (0.1 R)
• M4: 2,814,235 km (0.077 R)
• M5: 3,677,564 km (0.051 R)
• M6: 4,106,312 km (0.104 R)
• M7: 4,625,117 km (0.032 R)
• M8: 11,054,983 km (0.098 R)
• M9: 11,632,431 km (0.079 R)
• M10: 12,508,177 km (0.067 R)
• M11: 13,964,213 km (0.115 R)
• M12: 14,515,182 km (0.094 R)
• M13: 15,791,551 km (0.111 R)
• M14: 17,844,632 km (0.113 R)
• M15: 21,410,447 km (0.115 R)
• M16: 22,474,986 km (0.099 R)
• M17: 23,747,016 km (0.107 R)
• M18: 27,850,935 km (0.075 R)
• M19: 31,145,379 km (0.108 R)
• M20: 35,364,039 km (0.083 R)
• M21: 35,817,171 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.6

Radius: 7.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.5 AU - 9.9 AU

Year: 16208 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,065,640 km

• M1: 101,427 km (0.094 R)
• M2: 664,514 km (0.097 R)
• M3: 1,126,322 km (0.114 R)
• M4: 2,033,185 km (0.086 R)
• M5: 4,239,753 km (0.069 R)
• M6: 6,860,708 km (0.101 R)
• M7: 7,432,321 km (0.105 R)
• M8: 10,220,527 km (0.101 R)
• M9: 11,947,484 km (0.072 R)
• M10: 12,563,977 km (0.105 R)
• M11: 14,831,133 km (0.099 R)
• M12: 23,801,769 km (0.106 R)
• M13: 26,289,432 km (0.066 R)
• M14: 28,041,074 km (0.112 R)
• M15: 28,854,138 km (0.109 R)
• M16: 30,149,955 km (0.107 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: 352 - 11,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit