🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.8

Radius: 13.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.18 AU - 1.38 AU

Year: 966 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,060,674 km

• M1: 172,935 km (0.07 R)
• M2: 620,981 km (0.111 R)
• M3: 1,360,892 km (0.111 R)
• M4: 1,831,976 km (0.068 R)
• M5: 2,391,920 km (0.058 R)
• M6: 3,130,335 km (0.111 R)
• M7: 3,847,956 km (0.055 R)
• M8: 4,418,972 km (0.101 R)
• M9: 5,064,486 km (0.11 R)
• M10: 5,633,407 km (0.038 R)
• M11: 7,152,125 km (0.065 R)
• M12: 8,768,530 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.1

Radius: 12.1

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.92 AU - 2.28 AU

Year: 2029 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,060,674 km

• M1: 150,645 km (0.091 R)
• M2: 567,275 km (0.1 R)
• M3: 1,105,379 km (0.052 R)
• M4: 1,658,442 km (0.088 R)
• M5: 2,685,132 km (0.043 R)
• M6: 3,373,133 km (0.119 R)
• M7: 5,400,184 km (0.05 R)
• M8: 6,828,844 km (0.119 R)
• M9: 7,595,084 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 13.8

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.06 AU - 2.94 AU

Year: 2636 Days

Day: 5.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,060,674 km

• M1: 172,486 km (0.075 R)
• M2: 711,637 km (0.045 R)
• M3: 1,228,199 km (0.08 R)
• M4: 1,767,948 km (0.065 R)
• M5: 2,453,704 km (0.09 R)
• M6: 3,178,207 km (0.117 R)
• M7: 4,111,548 km (0.047 R)
• M8: 4,797,753 km (0.059 R)
• M9: 6,789,350 km (0.063 R)
• M10: 7,298,132 km (0.114 R)
• M11: 7,777,892 km (0.113 R)
• M12: 8,335,593 km (0.065 R)
• M13: 9,345,080 km (0.102 R)
• M14: 10,073,173 km (0.11 R)
• M15: 10,601,702 km (0.099 R)
• M16: 11,358,667 km (0.026 R)
• M17: 12,712,977 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 12.3

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.4 AU - 4.94 AU

Year: 6730 Days

Day: 5.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,060,674 km

• M1: 153,039 km (0.09 R)
• M2: 569,519 km (0.094 R)
• M3: 1,690,456 km (0.027 R)
• M4: 3,232,212 km (0.063 R)
• M5: 4,177,221 km (0.089 R)
• M6: 4,741,654 km (0.037 R)
• M7: 6,576,921 km (0.116 R)
• M8: 7,128,189 km (0.065 R)
• M9: 7,635,775 km (0.113 R)
• M10: 8,969,589 km (0.095 R)
• M11: 10,315,970 km (0.084 R)
• M12: 11,301,820 km (0.061 R)
• M13: 11,743,134 km (0.107 R)
• M14: 12,923,610 km (0.079 R)
• M15: 13,845,732 km (0.099 R)
• M16: 14,637,703 km (0.083 R)
• M17: 16,004,130 km (0.116 R)
• M18: 21,347,167 km (0.108 R)
• M19: 24,868,552 km (0.096 R)
• M20: 25,365,665 km (0.078 R)
• M21: 26,038,706 km (0.11 R)
• M22: 26,810,033 km (0.088 R)
• M23: 29,955,478 km (0.106 R)
• M24: 31,762,171 km (0.096 R)
• M25: 32,445,684 km (0.058 R)
• M26: 33,339,082 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.7

Radius: 14.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.5 AU - 5.04 AU

Year: 6947 Days

Day: 8.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,060,674 km

• M1: 176,525 km (0.108 R)
• M2: 929,601 km (0.087 R)
• M3: 1,559,857 km (0.116 R)
• M4: 2,313,232 km (0.083 R)
• M5: 2,843,706 km (0.092 R)
• M6: 4,205,795 km (0.035 R)
• M7: 5,393,602 km (0.06 R)
• M8: 6,200,682 km (0.105 R)
• M9: 7,503,081 km (0.092 R)
• M10: 9,468,947 km (0.041 R)
• M11: 10,402,138 km (0.054 R)
• M12: 11,344,755 km (0.106 R)
• M13: 14,881,248 km (0.089 R)
• M14: 16,403,556 km (0.097 R)
• M15: 17,338,244 km (0.11 R)
• M16: 18,027,291 km (0.07 R)
• M17: 19,904,894 km (0.086 R)
• M18: 21,435,580 km (0.118 R)
• M19: 23,043,308 km (0.08 R)
• M20: 26,227,798 km (0.074 R)
• M21: 26,770,539 km (0.075 R)
• M22: 27,784,962 km (0.026 R)
• M23: 30,284,593 km (0.102 R)
• M24: 31,997,937 km (0.088 R)
• M25: 32,826,261 km (0.117 R)
• M26: 33,562,581 km (0.102 R)
• M27: 34,525,693 km (0.063 R)
• M28: 36,283,019 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717

Radius: 6.5

Gravity: 16.97 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.89 AU - 8.55 AU

Year: 12937 Days

Day: 22.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,060,674 km

• M1: 81,680 km (0.118 R)
• M2: 340,036 km (0.043 R)
• M3: 556,504 km (0.067 R)
• M4: 1,071,719 km (0.079 R)
• M5: 1,532,331 km (0.091 R)
• M6: 1,953,898 km (0.067 R)
• M7: 2,750,656 km (0.105 R)
• M8: 3,197,355 km (0.12 R)
• M9: 3,556,540 km (0.118 R)
• M10: 4,479,110 km (0.096 R)
• M11: 4,797,753 km (0.119 R)
• M12: 5,131,357 km (0.084 R)
• M13: 5,374,004 km (0.057 R)
• M14: 5,807,988 km (0.062 R)
• M15: 6,382,743 km (0.072 R)
• M16: 7,207,326 km (0.091 R)
• M17: 7,512,207 km (0.091 R)
• M18: 8,335,444 km (0.059 R)
• M19: 11,165,387 km (0.056 R)
• M20: 18,954,200 km (0.074 R)
• M21: 20,128,244 km (0.097 R)
• M22: 23,368,534 km (0.073 R)
• M23: 26,423,771 km (0.084 R)
• M24: 27,148,722 km (0.11 R)
• M25: 28,314,688 km (0.11 R)
• M26: 42,567,775 km (0.099 R)
• M27: 51,291,724 km (0.091 R)
• M28: 54,889,852 km (0.102 R)
• M29: 55,393,249 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.2

Radius: 5.8

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.66 AU - 8.2 AU

Year: 14892 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,060,674 km

• M1: 72,106 km (0.04 R)
• M2: 266,583 km (0.103 R)
• M3: 535,411 km (0.074 R)
• M4: 1,034,320 km (0.119 R)
• M5: 1,920,986 km (0.029 R)
• M6: 2,426,178 km (0.096 R)
• M7: 3,643,007 km (0.075 R)
• M8: 4,919,227 km (0.027 R)
• M9: 5,322,991 km (0.072 R)
• M10: 6,158,196 km (0.074 R)
• M11: 7,119,662 km (0.093 R)
• M12: 7,417,960 km (0.108 R)
• M13: 8,695,526 km (0.088 R)
• M14: 10,876,962 km (0.105 R)
• M15: 13,462,612 km (0.074 R)
• M16: 16,504,983 km (0.06 R)
• M17: 21,088,064 km (0.078 R)
• M18: 21,350,459 km (0.095 R)
• M19: 22,331,073 km (0.069 R)
• M20: 22,970,454 km (0.062 R)
• M21: 23,341,157 km (0.111 R)
• M22: 29,720,609 km (0.097 R)
• M23: 35,050,183 km (0.094 R)
• M24: 46,805,733 km (0.12 R)
• M25: 47,551,478 km (0.106 R)

Asteroid Belt

Center: 9.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.2

Radius: 6.7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.83 AU - 12.85 AU

Year: 22172 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,060,674 km

• M1: 104,719 km (0.094 R)
• M2: 652,845 km (0.116 R)
• M3: 1,970,653 km (0.073 R)
• M4: 2,225,119 km (0.074 R)
• M5: 4,608,662 km (0.087 R)
• M6: 4,993,577 km (0.057 R)
• M7: 5,646,721 km (0.112 R)
• M8: 5,938,287 km (0.075 R)
• M9: 8,084,269 km (0.105 R)
• M10: 9,894,254 km (0.106 R)
• M11: 12,439,811 km (0.091 R)
• M12: 14,973,400 km (0.066 R)
• M13: 15,603,507 km (0.115 R)
• M14: 17,066,723 km (0.066 R)
• M15: 20,861,124 km (0.1 R)
• M16: 32,320,770 km (0.106 R)
• M17: 35,789,047 km (0.116 R)
• M18: 45,601,021 km (0.116 R)
• M19: 46,626,664 km (0.058 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 16,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit