🌌 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: 774.7

Radius: 14.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.57 AU - 0.65 AU

Year: 318 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,296,707 km

• M1: 184,005 km (0.106 R)
• M2: 698,024 km (0.114 R)
• M3: 1,257,968 km (0.096 R)
• M4: 1,776,176 km (0.078 R)
• M5: 2,244,267 km (0.068 R)
• M6: 3,242,683 km (0.027 R)
• M7: 4,269,224 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 9.7

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.59 AU - 0.65 AU

Year: 326 Days

Day: 9.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,296,707 km

• M1: 120,725 km (0.078 R)
• M2: 435,330 km (0.115 R)
• M3: 788,530 km (0.105 R)
• M4: 1,200,673 km (0.103 R)
• M5: 1,524,552 km (0.09 R)
• M6: 2,345,844 km (0.047 R)
• M7: 2,879,310 km (0.061 R)
• M8: 3,459,152 km (0.106 R)
• M9: 4,188,890 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 9.6

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.63 AU - 0.73 AU

Year: 374 Days

Day: 13.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,296,707 km

• M1: 135,835 km (0.11 R)
• M2: 635,941 km (0.109 R)
• M3: 948,151 km (0.033 R)
• M4: 1,518,269 km (0.067 R)
• M5: 2,339,262 km (0.075 R)
• M6: 2,668,078 km (0.086 R)
• M7: 3,191,671 km (0.11 R)
• M8: 3,695,666 km (0.116 R)
• M9: 4,388,902 km (0.088 R)
• M10: 4,892,748 km (0.106 R)
• M11: 5,531,531 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 14.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.8 AU - 1.96 AU

Year: 1719 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,296,707 km

• M1: 184,305 km (0.068 R)
• M2: 662,120 km (0.103 R)
• M3: 1,969,905 km (0.082 R)
• M4: 2,451,161 km (0.114 R)
• M5: 3,131,831 km (0.11 R)
• M6: 3,948,935 km (0.11 R)
• M7: 4,473,575 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 13.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.89 AU - 2.05 AU

Year: 1844 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,296,707 km

• M1: 167,849 km (0.069 R)
• M2: 592,557 km (0.109 R)
• M3: 1,026,241 km (0.038 R)
• M4: 1,529,339 km (0.088 R)
• M5: 2,256,684 km (0.116 R)
• M6: 2,830,541 km (0.108 R)
• M7: 3,900,465 km (0.08 R)
• M8: 4,635,140 km (0.102 R)
• M9: 5,160,977 km (0.108 R)
• M10: 5,931,855 km (0.105 R)
• M11: 7,297,235 km (0.11 R)
• M12: 7,731,368 km (0.104 R)
• M13: 8,444,501 km (0.112 R)
• M14: 9,773,378 km (0.041 R)
• M15: 11,273,097 km (0.066 R)
• M16: 11,966,184 km (0.036 R)
• M17: 12,687,545 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 9.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.55 AU - 2.71 AU

Year: 2844 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,296,707 km

• M1: 119,379 km (0.052 R)
• M2: 520,750 km (0.091 R)
• M3: 914,791 km (0.087 R)
• M4: 1,626,578 km (0.092 R)
• M5: 1,989,203 km (0.039 R)
• M6: 2,378,756 km (0.075 R)
• M7: 2,700,391 km (0.077 R)
• M8: 3,083,212 km (0.066 R)
• M9: 3,864,113 km (0.043 R)
• M10: 5,194,936 km (0.026 R)
• M11: 5,765,352 km (0.06 R)
• M12: 6,220,130 km (0.071 R)
• M13: 7,375,025 km (0.098 R)
• M14: 7,699,952 km (0.117 R)
• M15: 8,096,087 km (0.12 R)
• M16: 8,667,252 km (0.103 R)
• M17: 9,129,659 km (0.106 R)
• M18: 9,819,006 km (0.052 R)
• M19: 11,031,646 km (0.111 R)
• M20: 12,758,006 km (0.112 R)
• M21: 13,796,364 km (0.079 R)
• M22: 14,703,825 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.2

Radius: 10.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.9 AU - 3.92 AU

Year: 4199 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,296,707 km

• M1: 133,142 km (0.095 R)
• M2: 509,530 km (0.108 R)
• M3: 892,800 km (0.079 R)
• M4: 1,326,036 km (0.085 R)
• M5: 1,719,777 km (0.049 R)
• M6: 2,445,626 km (0.054 R)
• M7: 2,997,792 km (0.119 R)
• M8: 4,069,361 km (0.097 R)
• M9: 4,736,867 km (0.119 R)
• M10: 5,097,248 km (0.089 R)
• M11: 9,358,544 km (0.099 R)
• M12: 11,655,469 km (0.06 R)
• M13: 12,023,630 km (0.068 R)
• M14: 12,999,905 km (0.104 R)
• M15: 13,351,610 km (0.11 R)
• M16: 15,206,474 km (0.075 R)
• M17: 17,759,062 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.2

Radius: 14.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.95 AU - 4.31 AU

Year: 4612 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,296,707 km

• M1: 179,966 km (0.106 R)
• M2: 869,014 km (0.089 R)
• M3: 1,704,668 km (0.116 R)
• M4: 2,316,224 km (0.104 R)
• M5: 3,016,043 km (0.111 R)
• M6: 3,679,210 km (0.116 R)
• M7: 4,438,270 km (0.056 R)
• M8: 5,081,391 km (0.086 R)
• M9: 5,727,354 km (0.09 R)
• M10: 6,177,794 km (0.106 R)
• M11: 6,652,019 km (0.078 R)
• M12: 7,116,520 km (0.11 R)
• M13: 7,745,879 km (0.097 R)
• M14: 8,877,138 km (0.102 R)
• M15: 10,116,107 km (0.087 R)
• M16: 10,732,450 km (0.095 R)
• M17: 13,038,053 km (0.104 R)
• M18: 14,748,106 km (0.083 R)
• M19: 15,198,096 km (0.115 R)
• M20: 17,029,174 km (0.07 R)
• M21: 17,650,155 km (0.076 R)
• M22: 19,268,804 km (0.103 R)
• M23: 20,984,542 km (0.084 R)
• M24: 24,404,349 km (0.114 R)
• M25: 26,246,647 km (0.094 R)
• M26: 27,075,868 km (0.097 R)
• M27: 28,266,069 km (0.114 R)
• M28: 30,206,503 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 10,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit