🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333

Radius: 14.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.64 AU - 0.64 AU

Year: 341 Days

Day: 10.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,991,478 km

• M1: 176,675 km (0.048 R)
• M2: 625,170 km (0.078 R)
• M3: 1,212,640 km (0.081 R)
• M4: 1,788,293 km (0.094 R)
• M5: 2,250,999 km (0.102 R)
• M6: 3,314,490 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 14.1

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.03 AU - 1.27 AU

Year: 822 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,991,478 km

• M1: 176,077 km (0.108 R)
• M2: 624,272 km (0.071 R)
• M3: 1,327,681 km (0.12 R)
• M4: 2,006,855 km (0.066 R)
• M5: 2,533,739 km (0.073 R)
• M6: 3,179,254 km (0.077 R)
• M7: 3,664,400 km (0.08 R)
• M8: 4,167,198 km (0.12 R)
• M9: 5,446,260 km (0.118 R)
• M10: 6,187,667 km (0.107 R)
• M11: 6,859,960 km (0.105 R)
• M12: 7,556,488 km (0.116 R)
• M13: 8,325,421 km (0.089 R)
• M14: 8,875,642 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 13.2

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.02 AU - 1.3 AU

Year: 833 Days

Day: 6.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 132.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,991,478 km

• M1: 164,258 km (0.09 R)
• M2: 667,805 km (0.051 R)
• M3: 1,084,884 km (0.1 R)
• M4: 1,847,833 km (0.067 R)
• M5: 2,452,956 km (0.099 R)
• M6: 3,059,725 km (0.099 R)
• M7: 3,660,062 km (0.111 R)
• M8: 4,122,020 km (0.086 R)
• M9: 4,638,282 km (0.086 R)
• M10: 5,659,587 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 10.7

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.69 AU - 1.71 AU

Year: 1478 Days

Day: 6.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,991,478 km

• M1: 133,142 km (0.053 R)
• M2: 512,074 km (0.069 R)
• M3: 1,277,865 km (0.094 R)
• M4: 1,711,848 km (0.08 R)
• M5: 3,093,086 km (0.106 R)
• M6: 3,721,097 km (0.075 R)
• M7: 4,250,823 km (0.1 R)
• M8: 4,791,321 km (0.112 R)
• M9: 5,964,916 km (0.054 R)
• M10: 7,243,379 km (0.047 R)
• M11: 7,663,001 km (0.106 R)
• M12: 8,609,058 km (0.118 R)
• M13: 9,537,762 km (0.117 R)
• M14: 10,010,491 km (0.11 R)
• M15: 11,629,439 km (0.087 R)
• M16: 11,987,577 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 9.7

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.78 AU - 2.96 AU

Year: 2433 Days

Day: 6.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,991,478 km

• M1: 120,875 km (0.118 R)
• M2: 597,045 km (0.119 R)
• M3: 1,152,352 km (0.078 R)
• M4: 1,472,791 km (0.068 R)
• M5: 2,147,926 km (0.097 R)
• M6: 3,549,509 km (0.099 R)
• M7: 4,085,069 km (0.114 R)
• M8: 4,444,104 km (0.077 R)
• M9: 4,780,849 km (0.118 R)
• M10: 5,411,404 km (0.056 R)
• M11: 5,845,387 km (0.085 R)
• M12: 6,224,618 km (0.104 R)
• M13: 6,728,763 km (0.082 R)
• M14: 7,346,003 km (0.076 R)
• M15: 8,031,461 km (0.111 R)
• M16: 10,199,433 km (0.109 R)
• M17: 11,167,032 km (0.111 R)
• M18: 12,857,488 km (0.057 R)
• M19: 13,896,745 km (0.113 R)
• M20: 14,210,152 km (0.11 R)
• M21: 14,620,200 km (0.057 R)
• M22: 15,463,633 km (0.077 R)
• M23: 15,897,467 km (0.064 R)
• M24: 16,240,345 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 12.5

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.5 AU - 2.52 AU

Year: 2652 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,991,478 km

• M1: 161,117 km (0.095 R)
• M2: 694,882 km (0.118 R)
• M3: 1,084,585 km (0.089 R)
• M4: 1,722,021 km (0.113 R)
• M5: 2,282,415 km (0.103 R)
• M6: 2,731,807 km (0.097 R)
• M7: 3,123,903 km (0.082 R)
• M8: 3,888,049 km (0.113 R)
• M9: 4,729,088 km (0.082 R)
• M10: 5,491,289 km (0.12 R)
• M11: 5,966,262 km (0.103 R)
• M12: 6,941,790 km (0.049 R)
• M13: 7,438,156 km (0.108 R)
• M14: 9,003,099 km (0.086 R)
• M15: 9,954,093 km (0.064 R)
• M16: 10,815,926 km (0.072 R)
• M17: 11,890,488 km (0.107 R)
• M18: 12,860,929 km (0.113 R)
• M19: 13,298,952 km (0.066 R)
• M20: 17,435,931 km (0.042 R)
• M21: 18,245,854 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297

Radius: 10.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.41 AU - 5.97 AU

Year: 7885 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,991,478 km

• M1: 129,701 km (0.106 R)
• M2: 462,108 km (0.117 R)
• M3: 1,395,449 km (0.067 R)
• M4: 1,916,498 km (0.085 R)
• M5: 2,349,135 km (0.12 R)
• M6: 3,130,485 km (0.105 R)
• M7: 3,734,711 km (0.1 R)
• M8: 5,661,083 km (0.115 R)
• M9: 6,207,863 km (0.102 R)
• M10: 7,336,579 km (0.108 R)
• M11: 7,912,830 km (0.046 R)
• M12: 8,519,150 km (0.06 R)
• M13: 8,873,547 km (0.096 R)
• M14: 9,402,974 km (0.1 R)
• M15: 11,025,662 km (0.115 R)
• M16: 11,590,095 km (0.075 R)
• M17: 12,522,838 km (0.083 R)
• M18: 13,033,415 km (0.057 R)
• M19: 13,611,162 km (0.082 R)
• M20: 15,101,755 km (0.096 R)
• M21: 15,916,166 km (0.115 R)
• M22: 17,505,943 km (0.096 R)
• M23: 18,209,502 km (0.104 R)
• M24: 19,947,230 km (0.101 R)
• M25: 23,518,132 km (0.091 R)
• M26: 26,565,291 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802

Radius: 3.7

Gravity: 58.58 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.2 AU - 8.7 AU

Year: 13560 Days

Day: 22.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,991,478 km

• M1: 52,808 km (0.095 R)
• M2: 191,485 km (0.055 R)
• M3: 586,723 km (0.039 R)
• M4: 890,407 km (0.102 R)
• M5: 1,083,687 km (0.096 R)
• M6: 1,346,381 km (0.099 R)
• M7: 2,248,456 km (0.073 R)
• M8: 3,028,758 km (0.059 R)
• M9: 3,658,566 km (0.097 R)
• M10: 4,063,826 km (0.093 R)
• M11: 4,402,815 km (0.073 R)
• M12: 4,928,951 km (0.11 R)
• M13: 6,184,376 km (0.064 R)
• M14: 6,590,833 km (0.077 R)
• M15: 6,716,196 km (0.051 R)
• M16: 7,101,710 km (0.062 R)
• M17: 8,201,853 km (0.06 R)
• M18: 8,395,582 km (0.118 R)
• M19: 10,733,647 km (0.086 R)
• M20: 11,988,624 km (0.087 R)
• M21: 12,683,506 km (0.117 R)
• M22: 13,073,657 km (0.098 R)
• M23: 13,673,844 km (0.072 R)
• M24: 16,487,780 km (0.113 R)
• M25: 16,641,566 km (0.05 R)
• M26: 19,664,640 km (0.095 R)
• M27: 23,419,846 km (0.103 R)
• M28: 23,712,010 km (0.08 R)
• M29: 25,619,084 km (0.05 R)
• M30: 29,170,089 km (0.112 R)
• M31: 30,077,849 km (0.115 R)
• M32: 34,396,290 km (0.119 R)
• M33: 34,521,803 km (0.101 R)
• M34: 34,773,726 km (0.1 R)
• M35: 41,905,954 km (0.118 R)
• M36: 44,832,088 km (0.036 R)
• M37: 48,994,499 km (0.025 R)
• M38: 56,491,597 km (0.058 R)
• M39: 57,899,761 km (0.099 R)
• M40: 61,337,521 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.4

Radius: 4.1

Gravity: 40 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.1 AU - 11.28 AU

Year: 18578 Days

Day: 18.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,991,478 km

• M1: 51,013 km (0.092 R)
• M2: 181,612 km (0.105 R)
• M3: 1,033,123 km (0.06 R)
• M4: 1,389,764 km (0.091 R)
• M5: 1,842,148 km (0.105 R)
• M6: 2,612,876 km (0.071 R)
• M7: 2,804,362 km (0.098 R)
• M8: 4,865,521 km (0.084 R)
• M9: 5,691,301 km (0.11 R)
• M10: 10,520,620 km (0.116 R)
• M11: 11,632,581 km (0.067 R)
• M12: 12,283,182 km (0.099 R)
• M13: 12,482,895 km (0.049 R)
• M14: 17,446,552 km (0.11 R)
• M15: 18,384,382 km (0.111 R)
• M16: 19,625,894 km (0.037 R)
• M17: 23,684,036 km (0.034 R)
• M18: 24,305,914 km (0.105 R)
• M19: 31,755,888 km (0.114 R)
• M20: 34,321,940 km (0.064 R)
• M21: 36,884,552 km (0.025 R)
• M22: 39,138,992 km (0.075 R)
• M23: 43,765,306 km (0.027 R)
• M24: 45,332,044 km (0.082 R)
• M25: 46,289,770 km (0.067 R)
• M26: 47,915,749 km (0.109 R)
• M27: 49,243,729 km (0.104 R)
• M28: 52,320,958 km (0.116 R)
• M29: 54,442,106 km (0.073 R)
• M30: 57,916,816 km (0.095 R)
• M31: 64,097,900 km (0.101 R)
• M32: 67,553,761 km (0.115 R)
• M33: 69,643,494 km (0.076 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: 293 - 15,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit