🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 10.2

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.68 AU - 0.96 AU

Year: 513 Days

Day: 8.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,164,331 km

• M1: 127,009 km (0.094 R)
• M2: 513,121 km (0.084 R)
• M3: 875,297 km (0.075 R)
• M4: 1,419,983 km (0.114 R)
• M5: 1,779,167 km (0.068 R)
• M6: 2,133,864 km (0.114 R)
• M7: 2,505,166 km (0.057 R)
• M8: 3,443,294 km (0.079 R)
• M9: 3,943,400 km (0.086 R)
• M10: 4,537,902 km (0.087 R)
• M11: 5,364,131 km (0.075 R)
• M12: 5,758,172 km (0.033 R)
• M13: 6,287,449 km (0.039 R)
• M14: 6,787,255 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.9

Radius: 9.5

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.81 AU - 0.91 AU

Year: 551 Days

Day: 14.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,164,331 km

• M1: 118,482 km (0.11 R)
• M2: 558,598 km (0.066 R)
• M3: 1,159,084 km (0.088 R)
• M4: 1,477,279 km (0.072 R)
• M5: 2,217,190 km (0.113 R)
• M6: 2,619,608 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.6

Radius: 8.3

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.09 AU - 1.31 AU

Year: 907 Days

Day: 5.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,164,331 km

• M1: 103,223 km (0.103 R)
• M2: 377,585 km (0.075 R)
• M3: 888,911 km (0.099 R)
• M4: 1,366,128 km (0.073 R)
• M5: 1,677,142 km (0.108 R)
• M6: 2,169,468 km (0.063 R)
• M7: 2,596,570 km (0.082 R)
• M8: 2,959,345 km (0.112 R)
• M9: 3,355,779 km (0.113 R)
• M10: 3,740,844 km (0.12 R)
• M11: 4,459,961 km (0.104 R)
• M12: 4,944,958 km (0.07 R)
• M13: 5,268,089 km (0.095 R)
• M14: 6,323,053 km (0.116 R)
• M15: 7,005,818 km (0.118 R)
• M16: 7,292,447 km (0.094 R)
• M17: 7,838,330 km (0.061 R)
• M18: 9,322,042 km (0.088 R)
• M19: 9,610,766 km (0.093 R)
• M20: 10,175,647 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.8

Radius: 14.6

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.24 AU - 1.7 AU

Year: 1230 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,164,331 km

• M1: 181,612 km (0.072 R)
• M2: 663,915 km (0.034 R)
• M3: 1,156,990 km (0.067 R)
• M4: 1,809,685 km (0.058 R)
• M5: 2,446,224 km (0.097 R)
• M6: 3,060,772 km (0.059 R)
• M7: 4,091,352 km (0.118 R)
• M8: 5,466,007 km (0.079 R)
• M9: 6,068,587 km (0.107 R)
• M10: 6,787,255 km (0.066 R)
• M11: 9,319,050 km (0.065 R)
• M12: 10,309,537 km (0.041 R)
• M13: 11,198,747 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.6

Radius: 14.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.42 AU - 3.16 AU

Year: 3217 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,164,331 km

• M1: 180,714 km (0.119 R)
• M2: 674,686 km (0.045 R)
• M3: 1,447,958 km (0.12 R)
• M4: 2,045,152 km (0.085 R)
• M5: 2,741,830 km (0.097 R)
• M6: 3,424,744 km (0.105 R)
• M7: 4,240,800 km (0.096 R)
• M8: 6,012,638 km (0.037 R)
• M9: 6,574,826 km (0.066 R)
• M10: 7,049,800 km (0.102 R)
• M11: 7,903,704 km (0.097 R)
• M12: 8,475,916 km (0.118 R)
• M13: 9,331,018 km (0.114 R)
• M14: 11,678,358 km (0.111 R)
• M15: 13,151,149 km (0.113 R)
• M16: 13,956,733 km (0.056 R)
• M17: 17,065,228 km (0.093 R)
• M18: 18,081,446 km (0.081 R)
• M19: 18,899,447 km (0.041 R)
• M20: 19,803,168 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.2

Radius: 14.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.59 AU - 3.97 AU

Year: 4100 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,164,331 km

• M1: 181,911 km (0.11 R)
• M2: 665,860 km (0.075 R)
• M3: 1,148,463 km (0.115 R)
• M4: 1,643,781 km (0.045 R)
• M5: 2,106,338 km (0.053 R)
• M6: 2,579,666 km (0.104 R)
• M7: 3,360,417 km (0.108 R)
• M8: 3,889,245 km (0.036 R)
• M9: 5,116,397 km (0.109 R)
• M10: 6,828,544 km (0.11 R)
• M11: 7,455,210 km (0.102 R)
• M12: 8,502,545 km (0.079 R)
• M13: 10,115,060 km (0.058 R)
• M14: 12,146,898 km (0.116 R)
• M15: 15,105,944 km (0.049 R)
• M16: 17,346,621 km (0.101 R)
• M17: 18,817,019 km (0.072 R)
• M18: 20,115,378 km (0.091 R)
• M19: 21,340,735 km (0.044 R)
• M20: 22,546,942 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 11.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.19 AU - 3.91 AU

Year: 4617 Days

Day: 13.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,164,331 km

• M1: 198,217 km (0.114 R)
• M2: 581,188 km (0.114 R)
• M3: 1,249,292 km (0.036 R)
• M4: 1,737,430 km (0.118 R)
• M5: 2,083,749 km (0.112 R)
• M6: 2,691,864 km (0.111 R)
• M7: 3,066,457 km (0.113 R)
• M8: 3,415,170 km (0.086 R)
• M9: 3,966,139 km (0.046 R)
• M10: 5,383,130 km (0.063 R)
• M11: 6,657,255 km (0.077 R)
• M12: 10,818,320 km (0.102 R)
• M13: 11,311,843 km (0.082 R)
• M14: 12,008,969 km (0.102 R)
• M15: 17,107,863 km (0.081 R)
• M16: 20,433,274 km (0.106 R)
• M17: 25,167,149 km (0.091 R)
• M18: 26,840,551 km (0.12 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 14,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit