🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.7

Radius: 8.3

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.73 AU - 0.87 AU

Year: 503 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,578,989 km

• M1: 103,821 km (0.073 R)
• M2: 446,550 km (0.095 R)
• M3: 880,832 km (0.053 R)
• M4: 1,193,492 km (0.098 R)
• M5: 1,463,965 km (0.09 R)
• M6: 1,743,414 km (0.112 R)
• M7: 2,004,911 km (0.105 R)
• M8: 2,264,014 km (0.083 R)
• M9: 2,534,936 km (0.096 R)
• M10: 3,083,063 km (0.11 R)
• M11: 3,430,429 km (0.068 R)
• M12: 3,943,549 km (0.083 R)
• M13: 4,399,225 km (0.049 R)
• M14: 4,711,585 km (0.1 R)
• M15: 5,979,576 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.8

Radius: 14.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.84 AU - 0.9 AU

Year: 570 Days

Day: 7.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,578,989 km

• M1: 175,329 km (0.109 R)
• M2: 800,947 km (0.068 R)
• M3: 1,267,393 km (0.049 R)
• M4: 1,959,283 km (0.117 R)
• M5: 2,835,328 km (0.114 R)
• M6: 3,448,680 km (0.072 R)
• M7: 4,319,339 km (0.119 R)
• M8: 4,800,296 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 8.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.24 AU - 1.46 AU

Year: 1103 Days

Day: 10 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,578,989 km

• M1: 108,159 km (0.042 R)
• M2: 425,606 km (0.095 R)
• M3: 805,734 km (0.068 R)
• M4: 1,477,429 km (0.104 R)
• M5: 1,875,209 km (0.081 R)
• M6: 2,314,429 km (0.109 R)
• M7: 2,766,065 km (0.104 R)
• M8: 3,300,129 km (0.087 R)
• M9: 3,657,818 km (0.094 R)
• M10: 5,201,967 km (0.069 R)
• M11: 5,759,817 km (0.06 R)
• M12: 6,299,118 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.5

Radius: 10.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.71 AU - 2.11 AU

Year: 1855 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,578,989 km

• M1: 134,488 km (0.075 R)
• M2: 1,026,541 km (0.086 R)
• M3: 1,534,276 km (0.057 R)
• M4: 1,987,707 km (0.105 R)
• M5: 2,759,183 km (0.094 R)
• M6: 5,448,055 km (0.08 R)
• M7: 6,743,274 km (0.084 R)
• M8: 8,411,739 km (0.098 R)
• M9: 9,438,878 km (0.034 R)
• M10: 11,517,540 km (0.091 R)
• M11: 13,305,833 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.1

Radius: 11.9

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.99 AU - 2.03 AU

Year: 2003 Days

Day: 14.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 137.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,578,989 km

• M1: 147,952 km (0.08 R)
• M2: 520,900 km (0.096 R)
• M3: 1,034,170 km (0.072 R)
• M4: 1,410,858 km (0.108 R)
• M5: 1,837,511 km (0.084 R)
• M6: 3,036,089 km (0.111 R)
• M7: 5,201,817 km (0.101 R)
• M8: 5,620,242 km (0.117 R)
• M9: 6,264,411 km (0.03 R)
• M10: 6,957,199 km (0.118 R)
• M11: 7,350,940 km (0.09 R)
• M12: 8,183,602 km (0.115 R)
• M13: 9,111,109 km (0.1 R)
• M14: 9,686,761 km (0.118 R)
• M15: 10,286,350 km (0.101 R)
• M16: 11,289,553 km (0.051 R)
• M17: 11,677,311 km (0.075 R)
• M18: 13,883,131 km (0.089 R)
• M19: 14,373,663 km (0.062 R)
• M20: 15,061,065 km (0.055 R)
• M21: 16,750,623 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.5

Radius: 9.5

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.27 AU - 2.31 AU

Year: 2436 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,578,989 km

• M1: 118,182 km (0.111 R)
• M2: 491,130 km (0.105 R)
• M3: 920,476 km (0.069 R)
• M4: 1,309,430 km (0.087 R)
• M5: 1,656,198 km (0.074 R)
• M6: 2,639,505 km (0.094 R)
• M7: 3,069,150 km (0.111 R)
• M8: 3,689,831 km (0.09 R)
• M9: 4,538,351 km (0.045 R)
• M10: 5,042,795 km (0.075 R)
• M11: 5,415,443 km (0.04 R)
• M12: 6,374,964 km (0.077 R)
• M13: 7,238,443 km (0.066 R)
• M14: 7,683,347 km (0.069 R)
• M15: 8,825,826 km (0.115 R)
• M16: 9,507,693 km (0.078 R)
• M17: 11,563,915 km (0.059 R)
• M18: 13,855,456 km (0.085 R)
• M19: 14,173,052 km (0.092 R)
• M20: 15,590,192 km (0.095 R)
• M21: 16,132,784 km (0.051 R)
• M22: 17,151,396 km (0.049 R)
• M23: 17,943,068 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.2

Radius: 14.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.75 AU - 3.29 AU

Year: 3689 Days

Day: 13.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,578,989 km

• M1: 178,021 km (0.104 R)
• M2: 798,853 km (0.04 R)
• M3: 1,429,557 km (0.093 R)
• M4: 2,401,345 km (0.118 R)
• M5: 3,238,495 km (0.094 R)
• M6: 3,757,599 km (0.086 R)
• M7: 5,172,496 km (0.063 R)
• M8: 6,207,713 km (0.091 R)
• M9: 6,982,481 km (0.062 R)
• M10: 8,952,834 km (0.062 R)
• M11: 9,658,787 km (0.12 R)
• M12: 10,317,167 km (0.098 R)
• M13: 10,873,970 km (0.091 R)
• M14: 11,954,815 km (0.113 R)
• M15: 13,205,303 km (0.095 R)
• M16: 13,811,175 km (0.101 R)
• M17: 15,853,036 km (0.045 R)
• M18: 16,307,365 km (0.072 R)
• M19: 16,887,505 km (0.116 R)
• M20: 18,212,344 km (0.119 R)
• M21: 18,773,934 km (0.111 R)
• M22: 22,319,105 km (0.054 R)
• M23: 25,274,111 km (0.115 R)
• M24: 26,367,373 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.8

Radius: 5

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.39 AU - 7.01 AU

Year: 12190 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,578,989 km

• M1: 62,233 km (0.07 R)
• M2: 231,129 km (0.119 R)
• M3: 387,159 km (0.068 R)
• M4: 685,308 km (0.105 R)
• M5: 844,630 km (0.105 R)
• M6: 1,276,219 km (0.078 R)
• M7: 1,766,003 km (0.108 R)
• M8: 2,053,829 km (0.098 R)
• M9: 2,504,867 km (0.071 R)
• M10: 2,954,259 km (0.059 R)
• M11: 3,360,417 km (0.118 R)
• M12: 4,480,606 km (0.109 R)
• M13: 6,394,112 km (0.114 R)
• M14: 6,917,406 km (0.115 R)
• M15: 8,974,526 km (0.066 R)
• M16: 9,725,956 km (0.095 R)
• M17: 10,620,551 km (0.093 R)
• M18: 13,153,692 km (0.093 R)
• M19: 18,767,651 km (0.039 R)
• M20: 27,016,927 km (0.096 R)
• M21: 27,497,734 km (0.116 R)
• M22: 28,674,770 km (0.061 R)
• M23: 41,322,971 km (0.078 R)
• M24: 41,832,950 km (0.092 R)
• M25: 42,605,623 km (0.11 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: 443 - 18,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit