🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.7

Radius: 11.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.56 AU - 0.93 AU

Year: 405 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,017,684 km

• M1: 143,016 km (0.115 R)
• M2: 550,969 km (0.059 R)
• M3: 937,679 km (0.12 R)
• M4: 1,450,052 km (0.058 R)
• M5: 1,809,685 km (0.11 R)
• M6: 2,487,214 km (0.075 R)
• M7: 2,968,471 km (0.114 R)
• M8: 3,618,174 km (0.088 R)
• M9: 4,498,408 km (0.073 R)
• M10: 5,064,636 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.8

Radius: 10.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.19 AU - 1.49 AU

Year: 986 Days

Day: 5.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 117.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,017,684 km

• M1: 135,536 km (0.102 R)
• M2: 597,344 km (0.107 R)
• M3: 1,098,348 km (0.104 R)
• M4: 1,687,464 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.7

Radius: 14.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.8 AU - 2.06 AU

Year: 1705 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,017,684 km

• M1: 184,005 km (0.118 R)
• M2: 913,295 km (0.111 R)
• M3: 1,752,838 km (0.108 R)
• M4: 4,020,443 km (0.03 R)
• M5: 6,825,552 km (0.112 R)
• M6: 7,439,951 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.2

Radius: 9.2

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.32 AU - 3.64 AU

Year: 3271 Days

Day: 5.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,017,684 km

• M1: 114,592 km (0.032 R)
• M2: 536,458 km (0.082 R)
• M3: 836,701 km (0.112 R)
• M4: 1,263,055 km (0.097 R)
• M5: 1,782,459 km (0.071 R)
• M6: 2,321,609 km (0.095 R)
• M7: 2,898,160 km (0.103 R)
• M8: 4,269,673 km (0.044 R)
• M9: 4,866,868 km (0.095 R)
• M10: 5,865,733 km (0.091 R)
• M11: 6,603,998 km (0.031 R)
• M12: 7,661,206 km (0.114 R)
• M13: 8,161,910 km (0.112 R)
• M14: 8,863,375 km (0.093 R)
• M15: 9,415,391 km (0.117 R)
• M16: 9,795,968 km (0.081 R)
• M17: 10,466,615 km (0.087 R)
• M18: 10,875,167 km (0.08 R)
• M19: 11,294,490 km (0.09 R)
• M20: 13,268,434 km (0.086 R)
• M21: 13,650,656 km (0.048 R)
• M22: 14,287,345 km (0.096 R)
• M23: 14,790,442 km (0.117 R)
• M24: 15,409,777 km (0.06 R)
• M25: 16,535,053 km (0.055 R)
• M26: 20,176,414 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 8.3

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.34 AU - 3.52 AU

Year: 4039 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,017,684 km

• M1: 103,223 km (0.033 R)
• M2: 364,570 km (0.103 R)
• M3: 623,374 km (0.095 R)
• M4: 1,080,097 km (0.12 R)
• M5: 1,484,759 km (0.077 R)
• M6: 2,222,127 km (0.069 R)
• M7: 2,648,929 km (0.056 R)
• M8: 2,933,913 km (0.072 R)
• M9: 3,979,154 km (0.115 R)
• M10: 4,851,160 km (0.076 R)
• M11: 5,544,247 km (0.098 R)
• M12: 8,406,802 km (0.117 R)
• M13: 9,676,439 km (0.07 R)
• M14: 10,439,388 km (0.067 R)
• M15: 13,746,249 km (0.115 R)
• M16: 14,349,577 km (0.105 R)
• M17: 14,918,049 km (0.116 R)
• M18: 17,869,316 km (0.108 R)
• M19: 19,263,269 km (0.081 R)
• M20: 21,321,437 km (0.056 R)
• M21: 21,722,957 km (0.117 R)
• M22: 21,993,580 km (0.096 R)
• M23: 22,403,478 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.2

Radius: 14.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.12 AU - 3.84 AU

Year: 4128 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 92.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,017,684 km

• M1: 190,438 km (0.112 R)
• M2: 765,642 km (0.117 R)
• M3: 2,697,998 km (0.098 R)
• M4: 3,587,955 km (0.083 R)
• M5: 4,406,854 km (0.12 R)
• M6: 5,036,960 km (0.084 R)
• M7: 5,866,331 km (0.106 R)
• M8: 7,198,500 km (0.069 R)
• M9: 8,181,508 km (0.118 R)
• M10: 9,485,103 km (0.044 R)
• M11: 10,331,379 km (0.075 R)
• M12: 11,227,470 km (0.082 R)
• M13: 15,230,559 km (0.069 R)
• M14: 15,776,292 km (0.118 R)
• M15: 19,203,879 km (0.11 R)
• M16: 20,558,787 km (0.059 R)
• M17: 21,633,348 km (0.111 R)
• M18: 22,115,053 km (0.054 R)
• M19: 22,745,010 km (0.116 R)
• M20: 23,894,370 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 12.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.26 AU - 4.82 AU

Year: 5163 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,017,684 km

• M1: 159,172 km (0.091 R)
• M2: 711,188 km (0.104 R)
• M3: 1,166,115 km (0.118 R)
• M4: 1,718,431 km (0.083 R)
• M5: 2,301,414 km (0.074 R)
• M6: 2,885,893 km (0.066 R)
• M7: 3,631,189 km (0.09 R)
• M8: 4,625,716 km (0.029 R)
• M9: 5,534,373 km (0.093 R)
• M10: 6,244,814 km (0.054 R)
• M11: 7,320,422 km (0.105 R)
• M12: 7,884,556 km (0.04 R)
• M13: 8,863,225 km (0.097 R)
• M14: 11,711,120 km (0.088 R)
• M15: 15,574,934 km (0.104 R)
• M16: 16,870,451 km (0.109 R)
• M17: 21,756,916 km (0.079 R)
• M18: 25,546,828 km (0.112 R)
• M19: 26,191,595 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.1

Radius: 5.2

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.12 AU - 6.64 AU

Year: 10246 Days

Day: 20.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,017,684 km

• M1: 66,870 km (0.083 R)
• M2: 350,957 km (0.051 R)
• M3: 610,958 km (0.102 R)
• M4: 994,227 km (0.058 R)
• M5: 1,442,572 km (0.108 R)
• M6: 1,743,114 km (0.108 R)
• M7: 1,965,866 km (0.072 R)
• M8: 2,373,370 km (0.036 R)
• M9: 3,935,621 km (0.085 R)
• M10: 4,264,138 km (0.099 R)
• M11: 5,165,465 km (0.11 R)
• M12: 5,867,827 km (0.077 R)
• M13: 6,115,411 km (0.072 R)
• M14: 6,333,226 km (0.097 R)
• M15: 9,224,504 km (0.09 R)
• M16: 10,254,036 km (0.11 R)
• M17: 10,665,730 km (0.057 R)
• M18: 11,088,344 km (0.044 R)
• M19: 12,079,878 km (0.063 R)
• M20: 12,831,757 km (0.112 R)
• M21: 13,614,453 km (0.07 R)
• M22: 14,428,565 km (0.076 R)
• M23: 15,010,800 km (0.067 R)
• M24: 15,274,541 km (0.107 R)
• M25: 15,879,216 km (0.092 R)
• M26: 16,499,897 km (0.078 R)
• M27: 20,164,895 km (0.058 R)
• M28: 20,729,179 km (0.112 R)
• M29: 24,157,214 km (0.054 R)
• M30: 26,005,047 km (0.065 R)
• M31: 28,044,365 km (0.075 R)
• M32: 33,212,522 km (0.048 R)
• M33: 34,913,001 km (0.119 R)
• M34: 39,855,715 km (0.068 R)
• M35: 42,296,404 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.2

Radius: 5.9

Gravity: 27.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.6 AU - 6.68 AU

Year: 10879 Days

Day: 15.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 57,017,684 km

• M1: 83,924 km (0.113 R)
• M2: 315,502 km (0.077 R)
• M3: 571,165 km (0.08 R)
• M4: 973,882 km (0.058 R)
• M5: 1,244,804 km (0.092 R)
• M6: 1,704,967 km (0.108 R)
• M7: 1,992,344 km (0.113 R)
• M8: 2,311,586 km (0.095 R)
• M9: 3,148,886 km (0.111 R)
• M10: 3,529,762 km (0.079 R)
• M11: 4,352,849 km (0.101 R)
• M12: 4,990,585 km (0.103 R)
• M13: 6,292,535 km (0.084 R)
• M14: 8,744,444 km (0.112 R)
• M15: 8,940,717 km (0.086 R)
• M16: 9,291,374 km (0.112 R)
• M17: 9,860,893 km (0.111 R)
• M18: 10,730,506 km (0.102 R)
• M19: 11,012,348 km (0.09 R)
• M20: 11,241,532 km (0.102 R)
• M21: 11,828,105 km (0.057 R)
• M22: 14,176,941 km (0.044 R)
• M23: 15,496,245 km (0.042 R)
• M24: 15,929,181 km (0.113 R)
• M25: 16,819,588 km (0.102 R)
• M26: 19,689,174 km (0.073 R)
• M27: 21,327,720 km (0.09 R)
• M28: 26,273,425 km (0.09 R)
• M29: 26,682,725 km (0.104 R)
• M30: 27,936,505 km (0.083 R)
• M31: 30,448,103 km (0.105 R)
• M32: 33,344,617 km (0.099 R)
• M33: 35,665,030 km (0.097 R)
• M34: 38,221,658 km (0.106 R)
• M35: 41,585,814 km (0.075 R)
• M36: 46,024,832 km (0.033 R)
• M37: 46,918,979 km (0.063 R)
• M38: 48,896,064 km (0.074 R)
• M39: 49,359,967 km (0.114 R)
• M40: 53,015,241 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 11,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit