🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.3

Radius: 9.5

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.17 AU - 1.31 AU

Year: 892 Days

Day: 6.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,069,308 km

• M1: 118,182 km (0.1 R)
• M2: 427,252 km (0.11 R)
• M3: 826,528 km (0.118 R)
• M4: 1,192,145 km (0.107 R)
• M5: 1,665,772 km (0.105 R)
• M6: 2,011,643 km (0.098 R)
• M7: 2,405,534 km (0.107 R)
• M8: 3,279,185 km (0.102 R)
• M9: 3,859,326 km (0.094 R)
• M10: 4,902,472 km (0.101 R)
• M11: 6,933,113 km (0.062 R)
• M12: 7,787,168 km (0.084 R)
• M13: 9,098,393 km (0.086 R)
• M14: 9,411,950 km (0.092 R)
• M15: 10,060,906 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.7

Radius: 8.7

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.73 AU - 1.99 AU

Year: 1638 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,069,308 km

• M1: 108,159 km (0.058 R)
• M2: 382,372 km (0.097 R)
• M3: 771,775 km (0.087 R)
• M4: 1,420,581 km (0.102 R)
• M5: 1,784,852 km (0.08 R)
• M6: 2,290,194 km (0.085 R)
• M7: 2,983,281 km (0.11 R)
• M8: 3,311,947 km (0.094 R)
• M9: 3,617,426 km (0.079 R)
• M10: 4,250,076 km (0.043 R)
• M11: 4,592,954 km (0.105 R)
• M12: 5,375,799 km (0.085 R)
• M13: 7,079,570 km (0.119 R)
• M14: 7,614,980 km (0.099 R)
• M15: 8,766,585 km (0.108 R)
• M16: 11,038,079 km (0.09 R)
• M17: 11,445,883 km (0.072 R)
• M18: 11,723,237 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.7

Radius: 12.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.26 AU - 3.7 AU

Year: 3322 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,069,308 km

• M1: 156,629 km (0.084 R)
• M2: 556,205 km (0.119 R)
• M3: 1,011,880 km (0.117 R)
• M4: 1,549,086 km (0.071 R)
• M5: 2,505,914 km (0.117 R)
• M6: 3,034,593 km (0.091 R)
• M7: 3,692,524 km (0.096 R)
• M8: 4,401,618 km (0.106 R)
• M9: 5,936,791 km (0.104 R)
• M10: 6,575,425 km (0.063 R)
• M11: 7,437,857 km (0.106 R)
• M12: 8,406,802 km (0.113 R)
• M13: 10,070,779 km (0.117 R)
• M14: 12,575,347 km (0.09 R)
• M15: 13,007,984 km (0.085 R)
• M16: 13,720,967 km (0.057 R)
• M17: 15,322,712 km (0.066 R)
• M18: 17,899,684 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.8

Radius: 11.3

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.16 AU - 3.62 AU

Year: 4030 Days

Day: 5.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,069,308 km

• M1: 149,448 km (0.065 R)
• M2: 519,553 km (0.111 R)
• M3: 956,230 km (0.058 R)
• M4: 1,309,580 km (0.091 R)
• M5: 1,921,884 km (0.119 R)
• M6: 2,419,895 km (0.087 R)
• M7: 3,058,678 km (0.045 R)
• M8: 4,851,309 km (0.101 R)
• M9: 5,248,043 km (0.118 R)
• M10: 5,810,830 km (0.058 R)
• M11: 7,293,046 km (0.077 R)
• M12: 7,851,046 km (0.076 R)
• M13: 9,250,983 km (0.105 R)
• M14: 10,286,948 km (0.101 R)
• M15: 10,944,580 km (0.087 R)
• M16: 11,912,329 km (0.079 R)
• M17: 12,344,068 km (0.084 R)
• M18: 14,445,021 km (0.076 R)
• M19: 15,952,668 km (0.096 R)
• M20: 17,135,090 km (0.111 R)
• M21: 19,082,106 km (0.107 R)
• M22: 19,475,399 km (0.042 R)
• M23: 24,626,353 km (0.097 R)
• M24: 25,565,079 km (0.111 R)
• M25: 26,608,674 km (0.1 R)
• M26: 27,017,525 km (0.088 R)
• M27: 28,100,165 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 12.6

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.91 AU - 4.73 AU

Year: 4821 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,069,308 km

• M1: 157,078 km (0.117 R)
• M2: 1,125,574 km (0.095 R)
• M3: 2,272,691 km (0.042 R)
• M4: 2,800,622 km (0.116 R)
• M5: 6,855,921 km (0.063 R)
• M6: 13,336,351 km (0.071 R)
• M7: 14,742,721 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.3

Radius: 9.1

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.11 AU - 5.97 AU

Year: 7306 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,069,308 km

• M1: 113,246 km (0.047 R)
• M2: 435,180 km (0.059 R)
• M3: 927,357 km (0.093 R)
• M4: 1,256,622 km (0.107 R)
• M5: 1,900,342 km (0.025 R)
• M6: 3,104,605 km (0.097 R)
• M7: 4,784,738 km (0.12 R)
• M8: 5,145,568 km (0.1 R)
• M9: 6,590,085 km (0.105 R)
• M10: 7,665,395 km (0.098 R)
• M11: 9,822,147 km (0.116 R)
• M12: 12,522,688 km (0.051 R)
• M13: 12,863,173 km (0.114 R)
• M14: 13,326,777 km (0.093 R)
• M15: 13,861,589 km (0.113 R)
• M16: 14,164,824 km (0.053 R)
• M17: 19,565,008 km (0.084 R)
• M18: 21,282,691 km (0.078 R)
• M19: 22,509,992 km (0.106 R)
• M20: 23,098,659 km (0.096 R)
• M21: 23,611,331 km (0.106 R)
• M22: 23,957,351 km (0.067 R)
• M23: 25,556,253 km (0.119 R)
• M24: 27,130,621 km (0.085 R)
• M25: 28,280,131 km (0.05 R)
• M26: 29,064,323 km (0.072 R)
• M27: 31,608,385 km (0.089 R)
• M28: 32,880,864 km (0.111 R)
• M29: 36,096,171 km (0.087 R)
• M30: 37,838,986 km (0.083 R)
• M31: 42,503,597 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971

Radius: 7.1

Gravity: 19.26 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.26 AU - 7.64 AU

Year: 10577 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,069,308 km

• M1: 88,263 km (0.103 R)
• M2: 674,537 km (0.078 R)
• M3: 1,223,711 km (0.069 R)
• M4: 1,610,271 km (0.089 R)
• M5: 2,186,373 km (0.11 R)
• M6: 4,940,170 km (0.076 R)
• M7: 6,298,818 km (0.104 R)
• M8: 7,491,263 km (0.12 R)
• M9: 8,682,212 km (0.086 R)
• M10: 9,784,299 km (0.037 R)
• M11: 11,261,129 km (0.112 R)
• M12: 13,582,739 km (0.049 R)
• M13: 14,042,752 km (0.041 R)
• M14: 14,310,233 km (0.109 R)
• M15: 14,924,632 km (0.09 R)
• M16: 15,273,344 km (0.093 R)
• M17: 18,581,402 km (0.07 R)
• M18: 20,062,421 km (0.103 R)
• M19: 21,267,432 km (0.092 R)
• M20: 22,157,240 km (0.067 R)
• M21: 23,071,582 km (0.112 R)
• M22: 25,865,173 km (0.099 R)
• M23: 27,395,110 km (0.108 R)
• M24: 32,345,603 km (0.054 R)

Asteroid Belt

Center: 7.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.4

Radius: 5.4

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.69 AU - 10.43 AU

Year: 16171 Days

Day: 16 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,069,308 km

• M1: 67,618 km (0.091 R)
• M2: 254,915 km (0.047 R)
• M3: 586,872 km (0.085 R)
• M4: 802,443 km (0.112 R)
• M5: 982,260 km (0.089 R)
• M6: 5,839,104 km (0.109 R)
• M7: 11,155,663 km (0.091 R)
• M8: 11,383,500 km (0.076 R)
• M9: 11,672,673 km (0.062 R)
• M10: 11,848,451 km (0.1 R)
• M11: 13,901,233 km (0.111 R)
• M12: 17,752,331 km (0.111 R)
• M13: 21,547,928 km (0.088 R)
• M14: 23,262,020 km (0.113 R)
• M15: 24,485,880 km (0.085 R)
• M16: 25,554,458 km (0.06 R)
• M17: 31,821,113 km (0.091 R)
• M18: 39,039,060 km (0.112 R)
• M19: 40,094,773 km (0.109 R)
• M20: 43,095,556 km (0.114 R)
• M21: 44,937,405 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.6

Radius: 5.3

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.67 AU - 10.89 AU

Year: 16798 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,069,308 km

• M1: 67,618 km (0.116 R)
• M2: 245,041 km (0.111 R)
• M3: 594,352 km (0.076 R)
• M4: 806,781 km (0.119 R)
• M5: 1,456,784 km (0.119 R)
• M6: 1,675,347 km (0.057 R)
• M7: 2,309,342 km (0.102 R)
• M8: 2,820,668 km (0.111 R)
• M9: 3,022,027 km (0.12 R)
• M10: 4,064,724 km (0.074 R)
• M11: 4,744,646 km (0.073 R)
• M12: 5,497,572 km (0.03 R)
• M13: 6,214,595 km (0.12 R)
• M14: 6,911,422 km (0.116 R)
• M15: 7,362,310 km (0.08 R)
• M16: 9,071,016 km (0.057 R)
• M17: 13,815,663 km (0.084 R)
• M18: 16,459,356 km (0.109 R)
• M19: 17,861,687 km (0.105 R)
• M20: 19,261,923 km (0.067 R)
• M21: 19,663,443 km (0.101 R)
• M22: 22,103,534 km (0.028 R)
• M23: 23,807,155 km (0.058 R)
• M24: 24,083,911 km (0.1 R)
• M25: 24,362,911 km (0.109 R)
• M26: 24,644,005 km (0.087 R)
• M27: 25,693,135 km (0.111 R)
• M28: 28,187,530 km (0.075 R)
• M29: 30,948,209 km (0.08 R)
• M30: 31,167,819 km (0.074 R)
• M31: 40,432,714 km (0.105 R)
• M32: 43,933,155 km (0.109 R)
• M33: 47,338,900 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 11,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit