🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 11.1

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.58 AU - 1.76 AU

Year: 1393 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,826,573 km

• M1: 138,079 km (0.118 R)
• M2: 611,706 km (0.068 R)
• M3: 961,466 km (0.075 R)
• M4: 1,665,174 km (0.117 R)
• M5: 2,038,720 km (0.096 R)
• M6: 2,569,493 km (0.106 R)
• M7: 2,973,258 km (0.116 R)
• M8: 3,708,232 km (0.086 R)
• M9: 4,391,296 km (0.092 R)
• M10: 5,239,665 km (0.08 R)
• M11: 5,848,678 km (0.031 R)
• M12: 6,774,839 km (0.118 R)
• M13: 7,687,087 km (0.082 R)
• M14: 9,129,659 km (0.062 R)
• M15: 10,847,790 km (0.063 R)
• M16: 11,549,105 km (0.101 R)
• M17: 12,094,838 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 14

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.65 AU - 2.41 AU

Year: 1867 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,826,573 km

• M1: 174,132 km (0.108 R)
• M2: 627,713 km (0.091 R)
• M3: 1,141,432 km (0.076 R)
• M4: 1,755,082 km (0.082 R)
• M5: 3,681,753 km (0.106 R)
• M6: 4,203,551 km (0.11 R)
• M7: 4,774,566 km (0.109 R)
• M8: 6,245,113 km (0.043 R)
• M9: 6,938,200 km (0.042 R)
• M10: 7,568,455 km (0.057 R)
• M11: 8,117,779 km (0.096 R)
• M12: 8,881,027 km (0.11 R)
• M13: 12,621,124 km (0.047 R)
• M14: 13,986,204 km (0.09 R)
• M15: 14,506,206 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.9

Radius: 8.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.76 AU - 2.44 AU

Year: 1965 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 138.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,826,573 km

• M1: 100,829 km (0.059 R)
• M2: 480,209 km (0.103 R)
• M3: 921,074 km (0.085 R)
• M4: 1,208,003 km (0.077 R)
• M5: 1,488,648 km (0.118 R)
• M6: 2,069,088 km (0.116 R)
• M7: 2,349,435 km (0.066 R)
• M8: 2,630,679 km (0.095 R)
• M9: 3,405,147 km (0.119 R)
• M10: 3,989,626 km (0.029 R)
• M11: 5,065,833 km (0.12 R)
• M12: 7,402,252 km (0.033 R)
• M13: 7,933,325 km (0.063 R)
• M14: 8,247,929 km (0.095 R)
• M15: 8,790,969 km (0.103 R)
• M16: 9,128,013 km (0.095 R)
• M17: 9,473,734 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55

Radius: 11.5

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.72 AU - 2.78 AU

Year: 2179 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,826,573 km

• M1: 144,811 km (0.113 R)
• M2: 527,332 km (0.103 R)
• M3: 891,155 km (0.12 R)
• M4: 1,312,572 km (0.112 R)
• M5: 1,737,579 km (0.12 R)
• M6: 2,805,409 km (0.1 R)
• M7: 3,750,867 km (0.098 R)
• M8: 5,080,643 km (0.088 R)
• M9: 5,587,480 km (0.047 R)
• M10: 6,540,718 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.8

Radius: 8.3

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.98 AU - 2.92 AU

Year: 2476 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,826,573 km

• M1: 103,223 km (0.112 R)
• M2: 371,900 km (0.092 R)
• M3: 656,585 km (0.113 R)
• M4: 1,093,560 km (0.112 R)
• M5: 1,408,464 km (0.083 R)
• M6: 1,866,832 km (0.12 R)
• M7: 2,131,620 km (0.052 R)
• M8: 2,599,113 km (0.105 R)
• M9: 2,914,615 km (0.037 R)
• M10: 3,547,714 km (0.087 R)
• M11: 4,205,645 km (0.114 R)
• M12: 4,802,391 km (0.068 R)
• M13: 5,429,356 km (0.101 R)
• M14: 7,544,520 km (0.035 R)
• M15: 7,992,715 km (0.051 R)
• M16: 9,852,516 km (0.093 R)
• M17: 10,271,988 km (0.088 R)
• M18: 10,822,957 km (0.077 R)
• M19: 11,728,323 km (0.104 R)
• M20: 12,772,666 km (0.097 R)
• M21: 15,499,686 km (0.069 R)
• M22: 16,435,720 km (0.084 R)
• M23: 17,965,956 km (0.096 R)
• M24: 18,248,846 km (0.091 R)
• M25: 19,233,200 km (0.074 R)
• M26: 20,313,446 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 12.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.37 AU - 3.35 AU

Year: 3123 Days

Day: 12.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,826,573 km

• M1: 152,889 km (0.116 R)
• M2: 561,441 km (0.111 R)
• M3: 953,238 km (0.037 R)
• M4: 1,433,746 km (0.065 R)
• M5: 1,846,187 km (0.052 R)
• M6: 2,253,243 km (0.086 R)
• M7: 3,126,595 km (0.071 R)
• M8: 3,832,847 km (0.084 R)
• M9: 4,345,968 km (0.08 R)
• M10: 6,691,962 km (0.09 R)
• M11: 7,406,740 km (0.07 R)
• M12: 7,799,435 km (0.05 R)
• M13: 10,295,026 km (0.099 R)
• M14: 11,506,171 km (0.084 R)
• M15: 12,486,635 km (0.113 R)
• M16: 12,950,388 km (0.101 R)
• M17: 14,613,767 km (0.075 R)
• M18: 15,181,192 km (0.091 R)
• M19: 15,978,698 km (0.038 R)
• M20: 16,360,322 km (0.108 R)
• M21: 16,972,327 km (0.082 R)
• M22: 18,539,215 km (0.085 R)
• M23: 20,137,369 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.6

Radius: 14

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.05 AU - 3.35 AU

Year: 3696 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,826,573 km

• M1: 174,132 km (0.105 R)
• M2: 643,420 km (0.09 R)
• M3: 1,150,108 km (0.036 R)
• M4: 3,012,153 km (0.118 R)
• M5: 3,477,403 km (0.1 R)
• M6: 4,180,213 km (0.115 R)
• M7: 5,817,263 km (0.119 R)
• M8: 6,574,378 km (0.05 R)
• M9: 7,396,418 km (0.093 R)
• M10: 7,981,645 km (0.074 R)
• M11: 9,733,436 km (0.079 R)
• M12: 11,091,336 km (0.098 R)
• M13: 12,481,698 km (0.057 R)
• M14: 12,939,169 km (0.059 R)
• M15: 14,379,347 km (0.086 R)
• M16: 15,764,773 km (0.07 R)
• M17: 19,039,171 km (0.088 R)
• M18: 20,392,135 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449

Radius: 14.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.68 AU - 4.42 AU

Year: 5263 Days

Day: 10.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,826,573 km

• M1: 177,872 km (0.074 R)
• M2: 714,479 km (0.12 R)
• M3: 1,173,446 km (0.06 R)
• M4: 1,622,539 km (0.079 R)
• M5: 3,104,156 km (0.119 R)
• M6: 3,670,982 km (0.119 R)
• M7: 5,520,610 km (0.113 R)
• M8: 6,089,531 km (0.03 R)
• M9: 7,114,276 km (0.06 R)
• M10: 9,151,351 km (0.112 R)
• M11: 11,598,323 km (0.112 R)
• M12: 14,138,644 km (0.043 R)
• M13: 14,613,318 km (0.064 R)
• M14: 18,614,762 km (0.076 R)
• M15: 23,441,238 km (0.087 R)
• M16: 25,091,602 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.9

Radius: 7.8

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.7 AU - 10.64 AU

Year: 19416 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,826,573 km

• M1: 97,987 km (0.116 R)
• M2: 446,101 km (0.095 R)
• M3: 696,677 km (0.086 R)
• M4: 1,417,440 km (0.111 R)
• M5: 2,963,235 km (0.086 R)
• M6: 3,487,874 km (0.103 R)
• M7: 4,520,399 km (0.108 R)
• M8: 5,363,084 km (0.118 R)
• M9: 7,219,144 km (0.108 R)
• M10: 7,971,622 km (0.112 R)
• M11: 9,412,548 km (0.063 R)
• M12: 11,951,523 km (0.05 R)
• M13: 14,257,575 km (0.034 R)
• M14: 17,249,981 km (0.11 R)
• M15: 23,727,419 km (0.099 R)
• M16: 27,782,419 km (0.117 R)
• M17: 29,855,097 km (0.117 R)
• M18: 33,918,924 km (0.117 R)
• M19: 37,920,218 km (0.116 R)
• M20: 40,466,074 km (0.115 R)
• M21: 50,272,514 km (0.104 R)
• M22: 55,631,708 km (0.111 R)
• M23: 57,804,617 km (0.071 R)
• M24: 59,284,290 km (0.081 R)
• M25: 67,672,093 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.8

Radius: 6.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.59 AU - 9.87 AU

Year: 19597 Days

Day: 23.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,826,573 km

• M1: 86,019 km (0.084 R)
• M2: 409,898 km (0.048 R)
• M3: 936,183 km (0.079 R)
• M4: 1,391,260 km (0.072 R)
• M5: 4,316,946 km (0.101 R)
• M6: 5,224,855 km (0.097 R)
• M7: 6,051,533 km (0.111 R)
• M8: 8,835,998 km (0.1 R)
• M9: 15,784,520 km (0.065 R)
• M10: 31,247,255 km (0.111 R)
• M11: 35,662,636 km (0.12 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 11,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit