🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.7

Radius: 10.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.82 AU - 1.04 AU

Year: 598 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,138,180 km

• M1: 125,662 km (0.089 R)
• M2: 449,392 km (0.066 R)
• M3: 1,062,743 km (0.074 R)
• M4: 1,688,960 km (0.082 R)
• M5: 2,015,233 km (0.058 R)
• M6: 2,478,388 km (0.114 R)
• M7: 2,914,167 km (0.059 R)
• M8: 3,329,450 km (0.029 R)
• M9: 3,887,899 km (0.095 R)
• M10: 4,624,519 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 15

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.39 AU - 1.43 AU

Year: 1116 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,138,180 km

• M1: 186,549 km (0.062 R)
• M2: 702,212 km (0.109 R)
• M3: 1,452,595 km (0.097 R)
• M4: 2,090,929 km (0.106 R)
• M5: 2,589,988 km (0.044 R)
• M6: 3,323,616 km (0.091 R)
• M7: 3,994,862 km (0.097 R)
• M8: 4,521,296 km (0.117 R)
• M9: 5,132,553 km (0.075 R)
• M10: 5,883,385 km (0.12 R)
• M11: 6,683,434 km (0.083 R)
• M12: 8,392,441 km (0.111 R)
• M13: 9,003,548 km (0.113 R)
• M14: 10,346,338 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.4

Radius: 11.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.4 AU - 1.94 AU

Year: 1439 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,138,180 km

• M1: 141,819 km (0.107 R)
• M2: 690,095 km (0.085 R)
• M3: 1,068,428 km (0.09 R)
• M4: 1,485,357 km (0.083 R)
• M5: 2,011,792 km (0.073 R)
• M6: 3,153,673 km (0.092 R)
• M7: 4,545,681 km (0.077 R)
• M8: 4,900,228 km (0.118 R)
• M9: 5,273,325 km (0.12 R)
• M10: 5,972,097 km (0.114 R)
• M11: 6,799,672 km (0.107 R)
• M12: 7,265,221 km (0.096 R)
• M13: 8,208,286 km (0.045 R)
• M14: 9,009,083 km (0.051 R)
• M15: 9,428,555 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.9

Radius: 12.7

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.44 AU - 5.14 AU

Year: 5925 Days

Day: 10.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,138,180 km

• M1: 157,975 km (0.104 R)
• M2: 662,120 km (0.113 R)
• M3: 1,086,529 km (0.099 R)
• M4: 1,674,449 km (0.064 R)
• M5: 2,337,317 km (0.111 R)
• M6: 2,841,163 km (0.118 R)
• M7: 3,882,214 km (0.052 R)
• M8: 5,134,648 km (0.088 R)
• M9: 5,869,622 km (0.091 R)
• M10: 6,640,201 km (0.107 R)
• M11: 9,068,473 km (0.115 R)
• M12: 10,323,151 km (0.063 R)
• M13: 14,101,843 km (0.106 R)
• M14: 15,483,828 km (0.118 R)
• M15: 16,454,120 km (0.079 R)
• M16: 19,678,254 km (0.069 R)
• M17: 21,549,872 km (0.051 R)
• M18: 24,172,922 km (0.106 R)
• M19: 27,348,735 km (0.032 R)
• M20: 30,044,937 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.2

Radius: 10.1

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.6 AU - 5.92 AU

Year: 6925 Days

Day: 10.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,138,180 km

• M1: 126,560 km (0.099 R)
• M2: 549,473 km (0.083 R)
• M3: 974,032 km (0.072 R)
• M4: 1,411,007 km (0.106 R)
• M5: 3,115,376 km (0.084 R)
• M6: 3,951,927 km (0.12 R)
• M7: 5,291,875 km (0.095 R)
• M8: 7,099,017 km (0.095 R)
• M9: 7,717,455 km (0.072 R)
• M10: 9,466,404 km (0.115 R)
• M11: 10,119,997 km (0.119 R)
• M12: 10,654,510 km (0.036 R)
• M13: 11,361,809 km (0.109 R)
• M14: 13,907,516 km (0.078 R)
• M15: 15,695,061 km (0.081 R)
• M16: 17,561,593 km (0.06 R)
• M17: 21,571,115 km (0.049 R)
• M18: 23,032,687 km (0.099 R)
• M19: 25,882,227 km (0.105 R)
• M20: 28,573,492 km (0.054 R)
• M21: 29,445,349 km (0.117 R)
• M22: 32,479,493 km (0.104 R)
• M23: 34,288,430 km (0.094 R)
• M24: 36,614,378 km (0.099 R)
• M25: 37,758,203 km (0.073 R)
• M26: 38,807,782 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.1

Radius: 5.1

Gravity: 27.15 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.41 AU - 9.15 AU

Year: 14471 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,138,180 km

• M1: 80,484 km (0.058 R)
• M2: 652,995 km (0.057 R)
• M3: 1,138,589 km (0.084 R)
• M4: 1,322,595 km (0.076 R)
• M5: 1,526,347 km (0.065 R)
• M6: 2,187,719 km (0.102 R)
• M7: 2,560,667 km (0.09 R)
• M8: 2,974,754 km (0.113 R)
• M9: 4,583,080 km (0.027 R)
• M10: 10,303,404 km (0.12 R)
• M11: 10,585,695 km (0.046 R)
• M12: 14,599,107 km (0.041 R)
• M13: 15,027,256 km (0.106 R)
• M14: 16,058,883 km (0.106 R)
• M15: 16,902,016 km (0.082 R)
• M16: 17,935,887 km (0.075 R)
• M17: 18,180,330 km (0.065 R)
• M18: 18,926,973 km (0.101 R)
• M19: 22,025,743 km (0.095 R)
• M20: 24,236,501 km (0.082 R)
• M21: 25,242,247 km (0.071 R)
• M22: 26,696,488 km (0.1 R)
• M23: 27,877,563 km (0.116 R)
• M24: 31,629,478 km (0.102 R)
• M25: 32,225,775 km (0.109 R)
• M26: 33,564,077 km (0.078 R)
• M27: 35,704,374 km (0.087 R)
• M28: 36,350,787 km (0.098 R)
• M29: 36,873,631 km (0.105 R)
• M30: 38,068,021 km (0.026 R)
• M31: 39,700,433 km (0.037 R)
• M32: 41,805,873 km (0.112 R)
• M33: 42,668,604 km (0.111 R)
• M34: 50,162,260 km (0.115 R)
• M35: 53,121,456 km (0.091 R)
• M36: 56,368,926 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.9

Radius: 7.2

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.48 AU - 10.34 AU

Year: 16264 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,138,180 km

• M1: 89,609 km (0.1 R)
• M2: 864,676 km (0.056 R)
• M3: 1,399,338 km (0.034 R)
• M4: 2,196,246 km (0.095 R)
• M5: 3,291,004 km (0.058 R)
• M6: 4,347,464 km (0.054 R)
• M7: 6,005,607 km (0.096 R)
• M8: 6,975,749 km (0.065 R)
• M9: 7,852,841 km (0.107 R)
• M10: 10,049,387 km (0.068 R)
• M11: 12,168,440 km (0.117 R)
• M12: 13,161,621 km (0.082 R)
• M13: 14,279,566 km (0.041 R)
• M14: 15,383,897 km (0.059 R)
• M15: 17,186,103 km (0.119 R)
• M16: 31,035,125 km (0.059 R)
• M17: 32,382,105 km (0.043 R)
• M18: 33,767,680 km (0.071 R)
• M19: 38,718,323 km (0.111 R)
• M20: 43,523,406 km (0.062 R)
• M21: 53,424,541 km (0.049 R)
• M22: 54,121,667 km (0.079 R)
• M23: 65,121,748 km (0.078 R)
• M24: 66,719,154 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 11,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit