🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.7

Radius: 8

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.87 AU - 1.39 AU

Year: 788 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,987,916 km

• M1: 99,483 km (0.105 R)
• M2: 352,752 km (0.092 R)
• M3: 619,634 km (0.106 R)
• M4: 922,720 km (0.025 R)
• M5: 1,369,868 km (0.058 R)
• M6: 2,156,304 km (0.043 R)
• M7: 3,735,309 km (0.077 R)
• M8: 4,048,118 km (0.076 R)
• M9: 4,378,430 km (0.083 R)
• M10: 4,999,710 km (0.025 R)
• M11: 5,283,498 km (0.037 R)
• M12: 6,395,309 km (0.066 R)
• M13: 7,483,633 km (0.111 R)
• M14: 7,755,303 km (0.113 R)
• M15: 8,450,036 km (0.096 R)
• M16: 8,881,027 km (0.096 R)
• M17: 9,497,370 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345

Radius: 12.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.41 AU - 1.77 AU

Year: 1315 Days

Day: 7.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 94 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,987,916 km

• M1: 160,369 km (0.095 R)
• M2: 624,571 km (0.099 R)
• M3: 1,062,444 km (0.106 R)
• M4: 1,765,853 km (0.045 R)
• M5: 2,484,073 km (0.062 R)
• M6: 3,013,799 km (0.071 R)
• M7: 4,060,385 km (0.095 R)
• M8: 4,836,050 km (0.083 R)
• M9: 5,668,263 km (0.05 R)
• M10: 6,908,729 km (0.087 R)
• M11: 7,328,351 km (0.093 R)
• M12: 8,691,187 km (0.108 R)
• M13: 9,348,521 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.3

Radius: 9.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.09 AU - 3.13 AU

Year: 2766 Days

Day: 13.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,987,916 km

• M1: 115,789 km (0.101 R)
• M2: 582,684 km (0.115 R)
• M3: 937,081 km (0.116 R)
• M4: 2,920,001 km (0.034 R)
• M5: 3,279,485 km (0.088 R)
• M6: 3,579,578 km (0.099 R)
• M7: 5,366,225 km (0.109 R)
• M8: 5,764,455 km (0.047 R)
• M9: 8,084,568 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.9

Radius: 14.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.87 AU - 3.29 AU

Year: 3546 Days

Day: 6.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,987,916 km

• M1: 175,329 km (0.104 R)
• M2: 737,817 km (0.104 R)
• M3: 1,368,073 km (0.092 R)
• M4: 1,974,243 km (0.08 R)
• M5: 2,691,565 km (0.102 R)
• M6: 3,421,004 km (0.049 R)
• M7: 4,580,088 km (0.108 R)
• M8: 5,929,760 km (0.051 R)
• M9: 7,365,002 km (0.115 R)
• M10: 7,903,256 km (0.104 R)
• M11: 9,058,899 km (0.101 R)
• M12: 9,916,693 km (0.11 R)
• M13: 10,956,548 km (0.086 R)
• M14: 11,570,049 km (0.108 R)
• M15: 12,674,979 km (0.097 R)
• M16: 13,155,637 km (0.102 R)
• M17: 17,511,179 km (0.113 R)
• M18: 19,916,862 km (0.067 R)
• M19: 20,567,613 km (0.067 R)
• M20: 21,098,386 km (0.096 R)
• M21: 22,465,411 km (0.071 R)
• M22: 24,774,604 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.5

Radius: 9.6

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.37 AU - 4.57 AU

Year: 5189 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,987,916 km

• M1: 242,797 km (0.1 R)
• M2: 939,774 km (0.105 R)
• M3: 1,884,484 km (0.094 R)
• M4: 3,887,001 km (0.095 R)
• M5: 4,560,192 km (0.111 R)
• M6: 7,504,577 km (0.105 R)
• M7: 8,202,152 km (0.104 R)
• M8: 8,902,420 km (0.094 R)
• M9: 9,226,149 km (0.104 R)
• M10: 10,070,181 km (0.058 R)
• M11: 10,873,072 km (0.045 R)
• M12: 13,170,297 km (0.116 R)
• M13: 14,239,623 km (0.101 R)
• M14: 14,571,431 km (0.09 R)
• M15: 18,114,956 km (0.069 R)
• M16: 18,701,679 km (0.069 R)
• M17: 20,051,051 km (0.069 R)
• M18: 20,398,268 km (0.107 R)
• M19: 20,891,043 km (0.089 R)
• M20: 21,754,522 km (0.101 R)
• M21: 23,783,817 km (0.058 R)
• M22: 25,044,329 km (0.095 R)
• M23: 28,302,421 km (0.062 R)
• M24: 30,808,784 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 8.2

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.62 AU - 5.42 AU

Year: 7378 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,987,916 km

• M1: 117,135 km (0.049 R)
• M2: 382,372 km (0.079 R)
• M3: 801,695 km (0.069 R)
• M4: 1,120,488 km (0.07 R)
• M5: 1,702,723 km (0.066 R)
• M6: 3,139,910 km (0.11 R)
• M7: 4,129,649 km (0.091 R)
• M8: 4,976,074 km (0.08 R)
• M9: 8,421,014 km (0.075 R)
• M10: 15,078,269 km (0.075 R)
• M11: 15,397,810 km (0.09 R)
• M12: 24,143,750 km (0.1 R)
• M13: 24,405,696 km (0.116 R)
• M14: 26,109,167 km (0.059 R)
• M15: 27,036,674 km (0.078 R)
• M16: 29,551,264 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.4

Radius: 5

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.73 AU - 9.87 AU

Year: 17125 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 38,987,916 km

• M1: 62,382 km (0.096 R)
• M2: 231,428 km (0.076 R)
• M3: 394,041 km (0.031 R)
• M4: 872,305 km (0.062 R)
• M5: 1,753,137 km (0.091 R)
• M6: 2,438,595 km (0.114 R)
• M7: 2,876,318 km (0.06 R)
• M8: 3,416,516 km (0.093 R)
• M9: 4,138,924 km (0.089 R)
• M10: 5,622,038 km (0.047 R)
• M11: 7,038,879 km (0.057 R)
• M12: 7,383,253 km (0.063 R)
• M13: 8,152,486 km (0.11 R)
• M14: 8,973,927 km (0.085 R)
• M15: 9,795,968 km (0.111 R)
• M16: 9,955,589 km (0.062 R)
• M17: 11,064,109 km (0.073 R)
• M18: 12,008,371 km (0.073 R)
• M19: 13,921,428 km (0.102 R)
• M20: 14,601,799 km (0.09 R)
• M21: 16,700,059 km (0.035 R)
• M22: 17,390,004 km (0.03 R)
• M23: 19,489,760 km (0.096 R)
• M24: 20,426,991 km (0.105 R)
• M25: 21,304,682 km (0.054 R)
• M26: 23,991,759 km (0.096 R)
• M27: 25,166,700 km (0.08 R)
• M28: 25,366,264 km (0.036 R)
• M29: 25,971,088 km (0.047 R)
• M30: 28,921,457 km (0.115 R)
• M31: 30,817,461 km (0.068 R)
• M32: 32,087,546 km (0.102 R)
• M33: 34,485,600 km (0.083 R)
• M34: 36,360,510 km (0.117 R)
• M35: 37,517,500 km (0.114 R)
• M36: 37,777,950 km (0.095 R)
• M37: 39,365,782 km (0.039 R)
• M38: 46,162,612 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.5

Radius: 3.1

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.84 AU - 10.06 AU

Year: 19057 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,987,916 km

• M1: 38,895 km (0.073 R)
• M2: 240,254 km (0.108 R)
• M3: 771,626 km (0.11 R)
• M4: 1,210,097 km (0.113 R)
• M5: 1,529,189 km (0.04 R)
• M6: 1,708,557 km (0.085 R)
• M7: 1,948,213 km (0.095 R)
• M8: 3,424,744 km (0.052 R)
• M9: 3,879,372 km (0.07 R)
• M10: 4,791,321 km (0.113 R)
• M11: 10,784,510 km (0.1 R)
• M12: 11,805,666 km (0.108 R)
• M13: 20,891,492 km (0.105 R)
• M14: 22,959,533 km (0.06 R)
• M15: 26,310,974 km (0.113 R)
• M16: 28,243,779 km (0.043 R)
• M17: 29,680,966 km (0.1 R)
• M18: 33,222,246 km (0.102 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: 254 - 15,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit