🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.2

Radius: 10.1

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.75 AU - 0.81 AU

Year: 445 Days

Day: 14.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,569,552 km

• M1: 125,662 km (0.079 R)
• M2: 508,483 km (0.053 R)
• M3: 867,967 km (0.111 R)
• M4: 1,191,098 km (0.104 R)
• M5: 1,624,782 km (0.094 R)
• M6: 2,278,226 km (0.079 R)
• M7: 3,020,381 km (0.118 R)
• M8: 3,364,307 km (0.12 R)
• M9: 4,440,514 km (0.062 R)
• M10: 5,298,158 km (0.083 R)
• M11: 5,613,062 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 9.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.96 AU - 0.96 AU

Year: 607 Days

Day: 11.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,569,552 km

• M1: 122,072 km (0.088 R)
• M2: 428,000 km (0.111 R)
• M3: 980,165 km (0.092 R)
• M4: 3,463,191 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338

Radius: 13.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.97 AU - 1.21 AU

Year: 735 Days

Day: 5.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 128.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,569,552 km

• M1: 183,108 km (0.114 R)
• M2: 631,901 km (0.092 R)
• M3: 1,205,908 km (0.089 R)
• M4: 1,898,696 km (0.093 R)
• M5: 2,526,259 km (0.12 R)
• M6: 3,137,067 km (0.031 R)
• M7: 5,113,554 km (0.053 R)
• M8: 5,564,891 km (0.112 R)
• M9: 6,548,048 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225

Radius: 12.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.36 AU - 1.7 AU

Year: 1222 Days

Day: 6.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,569,552 km

• M1: 158,125 km (0.064 R)
• M2: 559,197 km (0.114 R)
• M3: 1,086,081 km (0.118 R)
• M4: 1,575,415 km (0.11 R)
• M5: 2,300,815 km (0.058 R)
• M6: 2,850,438 km (0.109 R)
• M7: 3,264,674 km (0.107 R)
• M8: 3,663,652 km (0.112 R)
• M9: 5,544,695 km (0.087 R)
• M10: 6,643,941 km (0.099 R)
• M11: 7,559,779 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.9

Radius: 15

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.79 AU - 2.83 AU

Year: 2267 Days

Day: 6.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,569,552 km

• M1: 186,549 km (0.054 R)
• M2: 1,016,368 km (0.075 R)
• M3: 1,567,636 km (0.048 R)
• M4: 2,244,566 km (0.107 R)
• M5: 2,941,094 km (0.104 R)
• M6: 3,889,993 km (0.074 R)
• M7: 4,708,144 km (0.109 R)
• M8: 5,400,932 km (0.104 R)
• M9: 6,500,626 km (0.059 R)
• M10: 8,844,226 km (0.113 R)
• M11: 9,483,159 km (0.12 R)
• M12: 9,973,690 km (0.032 R)
• M13: 10,741,127 km (0.111 R)
• M14: 11,825,562 km (0.06 R)
• M15: 12,353,194 km (0.108 R)
• M16: 14,949,315 km (0.12 R)
• M17: 15,422,942 km (0.092 R)
• M18: 17,470,787 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.7

Radius: 13.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.37 AU - 4.91 AU

Year: 5439 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,569,552 km

• M1: 162,912 km (0.084 R)
• M2: 571,613 km (0.107 R)
• M3: 1,046,288 km (0.118 R)
• M4: 1,479,972 km (0.099 R)
• M5: 2,093,622 km (0.104 R)
• M6: 3,578,830 km (0.113 R)
• M7: 4,373,045 km (0.073 R)
• M8: 4,851,609 km (0.067 R)
• M9: 6,005,008 km (0.107 R)
• M10: 6,566,000 km (0.093 R)
• M11: 7,127,740 km (0.111 R)
• M12: 7,578,778 km (0.088 R)
• M13: 8,732,177 km (0.102 R)
• M14: 10,879,655 km (0.056 R)
• M15: 15,207,671 km (0.083 R)
• M16: 16,551,658 km (0.073 R)
• M17: 18,228,650 km (0.094 R)
• M18: 19,141,496 km (0.119 R)
• M19: 20,221,892 km (0.117 R)
• M20: 21,773,372 km (0.043 R)
• M21: 24,092,139 km (0.076 R)
• M22: 27,070,034 km (0.118 R)
• M23: 28,258,140 km (0.057 R)
• M24: 30,105,225 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264

Radius: 8.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.21 AU - 5.29 AU

Year: 6684 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,569,552 km

• M1: 109,506 km (0.053 R)
• M2: 428,299 km (0.116 R)
• M3: 1,181,075 km (0.096 R)
• M4: 1,498,821 km (0.076 R)
• M5: 2,119,503 km (0.114 R)
• M6: 2,449,665 km (0.116 R)
• M7: 2,955,605 km (0.086 R)
• M8: 5,053,715 km (0.115 R)
• M9: 5,961,326 km (0.044 R)
• M10: 6,655,609 km (0.072 R)
• M11: 7,641,010 km (0.072 R)
• M12: 10,440,735 km (0.103 R)
• M13: 12,376,082 km (0.108 R)
• M14: 12,858,386 km (0.07 R)
• M15: 15,349,639 km (0.087 R)
• M16: 20,321,076 km (0.046 R)
• M17: 20,924,703 km (0.089 R)
• M18: 22,308,932 km (0.087 R)
• M19: 23,313,482 km (0.119 R)
• M20: 25,722,456 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.4

Radius: 14.1

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.25 AU - 5.93 AU

Year: 8534 Days

Day: 8.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,569,552 km

• M1: 175,628 km (0.114 R)
• M2: 780,901 km (0.036 R)
• M3: 1,375,702 km (0.041 R)
• M4: 3,098,471 km (0.085 R)
• M5: 4,334,000 km (0.098 R)
• M6: 6,865,794 km (0.093 R)
• M7: 7,400,756 km (0.089 R)
• M8: 8,087,859 km (0.114 R)
• M9: 8,816,999 km (0.064 R)
• M10: 9,404,021 km (0.118 R)
• M11: 11,375,572 km (0.109 R)
• M12: 12,570,709 km (0.041 R)
• M13: 13,609,517 km (0.118 R)
• M14: 16,592,199 km (0.06 R)
• M15: 19,004,913 km (0.118 R)
• M16: 21,887,066 km (0.083 R)
• M17: 27,351,128 km (0.108 R)
• M18: 37,271,711 km (0.062 R)
• M19: 37,740,252 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.2

Radius: 5.6

Gravity: 29.92 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.89 AU - 8.95 AU

Year: 13050 Days

Day: 19.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,569,552 km

• M1: 70,311 km (0.095 R)
• M2: 376,089 km (0.085 R)
• M3: 555,158 km (0.118 R)
• M4: 764,445 km (0.094 R)
• M5: 1,015,022 km (0.057 R)
• M6: 2,016,878 km (0.075 R)
• M7: 2,289,895 km (0.089 R)
• M8: 2,886,641 km (0.114 R)
• M9: 3,391,533 km (0.081 R)
• M10: 5,153,647 km (0.095 R)
• M11: 5,741,117 km (0.106 R)
• M12: 6,918,154 km (0.112 R)
• M13: 7,313,989 km (0.07 R)
• M14: 9,848,028 km (0.033 R)
• M15: 11,221,187 km (0.095 R)
• M16: 14,768,302 km (0.053 R)
• M17: 15,796,937 km (0.103 R)
• M18: 17,347,818 km (0.049 R)
• M19: 17,832,216 km (0.095 R)
• M20: 19,772,949 km (0.05 R)
• M21: 21,386,661 km (0.097 R)
• M22: 22,989,602 km (0.069 R)
• M23: 26,751,690 km (0.051 R)
• M24: 38,518,609 km (0.115 R)
• M25: 43,787,147 km (0.114 R)
• M26: 50,490,029 km (0.074 R)
• M27: 51,311,172 km (0.111 R)
• M28: 52,980,086 km (0.055 R)
• M29: 53,318,177 km (0.099 R)
• M30: 60,385,779 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 14,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit