🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.1

Radius: 9.7

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.51 AU - 0.83 AU

Year: 379 Days

Day: 9.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,022,799 km

• M1: 120,875 km (0.116 R)
• M2: 424,858 km (0.087 R)
• M3: 929,900 km (0.077 R)
• M4: 1,429,108 km (0.099 R)
• M5: 2,122,495 km (0.049 R)
• M6: 2,711,611 km (0.064 R)
• M7: 3,374,928 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.8

Radius: 14.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.66 AU - 0.68 AU

Year: 379 Days

Day: 7.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,022,799 km

• M1: 185,352 km (0.106 R)
• M2: 784,790 km (0.077 R)
• M3: 1,397,693 km (0.103 R)
• M4: 2,509,055 km (0.118 R)
• M5: 3,341,268 km (0.11 R)
• M6: 4,216,715 km (0.09 R)
• M7: 4,803,737 km (0.086 R)
• M8: 5,334,361 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.9

Radius: 9.2

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.01 AU - 1.19 AU

Year: 796 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,022,799 km

• M1: 114,442 km (0.115 R)
• M2: 644,318 km (0.092 R)
• M3: 999,912 km (0.109 R)
• M4: 1,517,970 km (0.046 R)
• M5: 1,817,165 km (0.12 R)
• M6: 2,206,569 km (0.05 R)
• M7: 2,975,950 km (0.1 R)
• M8: 3,691,776 km (0.089 R)
• M9: 4,585,025 km (0.113 R)
• M10: 5,091,713 km (0.081 R)
• M11: 6,216,988 km (0.104 R)
• M12: 6,619,556 km (0.077 R)
• M13: 8,534,110 km (0.075 R)
• M14: 8,978,415 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.9

Radius: 10.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.93 AU - 1.47 AU

Year: 907 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,022,799 km

• M1: 135,536 km (0.027 R)
• M2: 660,774 km (0.116 R)
• M3: 1,025,493 km (0.105 R)
• M4: 1,657,694 km (0.056 R)
• M5: 2,410,620 km (0.108 R)
• M6: 2,842,958 km (0.059 R)
• M7: 3,263,328 km (0.103 R)
• M8: 3,993,964 km (0.069 R)
• M9: 4,383,068 km (0.064 R)
• M10: 5,151,253 km (0.119 R)
• M11: 5,817,113 km (0.039 R)
• M12: 6,161,338 km (0.106 R)
• M13: 6,996,842 km (0.044 R)
• M14: 7,497,546 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 11.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.68 AU - 2.74 AU

Year: 3079 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,022,799 km

• M1: 138,228 km (0.115 R)
• M2: 522,396 km (0.084 R)
• M3: 977,472 km (0.08 R)
• M4: 1,643,333 km (0.116 R)
• M5: 2,447,272 km (0.052 R)
• M6: 3,951,628 km (0.068 R)
• M7: 4,361,227 km (0.066 R)
• M8: 4,821,988 km (0.107 R)
• M9: 6,347,737 km (0.094 R)
• M10: 7,417,511 km (0.092 R)
• M11: 8,043,878 km (0.069 R)
• M12: 8,403,212 km (0.112 R)
• M13: 9,654,897 km (0.114 R)
• M14: 11,512,005 km (0.098 R)
• M15: 12,138,371 km (0.041 R)
• M16: 12,655,681 km (0.118 R)
• M17: 13,596,352 km (0.054 R)
• M18: 14,631,270 km (0.12 R)
• M19: 15,416,210 km (0.073 R)
• M20: 17,016,907 km (0.109 R)
• M21: 18,162,378 km (0.079 R)
• M22: 19,886,943 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.6

Radius: 8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.39 AU - 3.65 AU

Year: 3623 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,022,799 km

• M1: 99,632 km (0.1 R)
• M2: 351,854 km (0.058 R)
• M3: 842,386 km (0.114 R)
• M4: 1,979,030 km (0.114 R)
• M5: 2,565,603 km (0.103 R)
• M6: 3,393,478 km (0.048 R)
• M7: 3,806,219 km (0.095 R)
• M8: 4,194,425 km (0.091 R)
• M9: 6,341,304 km (0.086 R)
• M10: 7,104,253 km (0.096 R)
• M11: 7,465,682 km (0.088 R)
• M12: 10,242,667 km (0.096 R)
• M13: 14,909,971 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.1

Radius: 12.1

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.97 AU - 3.33 AU

Year: 3859 Days

Day: 12.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,022,799 km

• M1: 150,495 km (0.118 R)
• M2: 617,690 km (0.119 R)
• M3: 1,118,693 km (0.115 R)
• M4: 1,878,052 km (0.103 R)
• M5: 2,700,391 km (0.099 R)
• M6: 3,576,436 km (0.112 R)
• M7: 4,933,289 km (0.099 R)
• M8: 5,522,405 km (0.087 R)
• M9: 6,352,225 km (0.06 R)
• M10: 6,841,709 km (0.113 R)
• M11: 7,232,758 km (0.117 R)
• M12: 7,831,449 km (0.076 R)
• M13: 8,738,909 km (0.117 R)
• M14: 9,827,832 km (0.095 R)
• M15: 10,843,003 km (0.115 R)
• M16: 15,663,795 km (0.116 R)
• M17: 16,239,597 km (0.089 R)
• M18: 19,512,349 km (0.071 R)
• M19: 19,995,850 km (0.094 R)
• M20: 20,611,595 km (0.069 R)
• M21: 21,113,196 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.7

Radius: 5.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.63 AU - 6.65 AU

Year: 11810 Days

Day: 15.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,022,799 km

• M1: 95,892 km (0.12 R)
• M2: 1,573,620 km (0.071 R)
• M3: 5,472,589 km (0.065 R)
• M4: 5,723,465 km (0.053 R)
• M5: 7,326,406 km (0.102 R)
• M6: 8,158,469 km (0.078 R)
• M7: 12,645,059 km (0.081 R)
• M8: 14,357,207 km (0.028 R)
• M9: 16,161,208 km (0.085 R)
• M10: 18,234,036 km (0.082 R)
• M11: 25,350,406 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.4

Radius: 7.7

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.44 AU - 8.04 AU

Year: 13447 Days

Day: 20.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,022,799 km

• M1: 95,743 km (0.062 R)
• M2: 354,996 km (0.043 R)
• M3: 644,468 km (0.051 R)
• M4: 1,217,577 km (0.058 R)
• M5: 1,492,388 km (0.034 R)
• M6: 1,912,160 km (0.081 R)
• M7: 2,208,214 km (0.085 R)
• M8: 3,109,691 km (0.094 R)
• M9: 3,575,240 km (0.117 R)
• M10: 6,108,231 km (0.039 R)
• M11: 8,668,897 km (0.052 R)
• M12: 9,121,730 km (0.104 R)
• M13: 10,406,776 km (0.09 R)
• M14: 11,034,489 km (0.115 R)
• M15: 12,874,542 km (0.074 R)
• M16: 13,199,918 km (0.115 R)
• M17: 14,910,121 km (0.079 R)
• M18: 15,707,477 km (0.087 R)
• M19: 16,917,574 km (0.113 R)
• M20: 17,387,013 km (0.114 R)
• M21: 18,598,456 km (0.096 R)
• M22: 19,351,981 km (0.114 R)
• M23: 20,741,296 km (0.076 R)
• M24: 21,826,180 km (0.116 R)
• M25: 23,139,051 km (0.049 R)
• M26: 23,427,027 km (0.09 R)
• M27: 24,702,947 km (0.048 R)
• M28: 27,931,418 km (0.062 R)
• M29: 31,548,097 km (0.11 R)
• M30: 34,832,817 km (0.072 R)
• M31: 35,338,009 km (0.115 R)
• M32: 43,515,178 km (0.109 R)
• M33: 46,346,019 km (0.027 R)
• M34: 52,536,678 km (0.084 R)
• M35: 60,884,837 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400

Radius: 3.1

Gravity: 41.62 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.25 AU - 7.59 AU

Year: 13951 Days

Day: 17.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,022,799 km

• M1: 44,131 km (0.077 R)
• M2: 501,452 km (0.099 R)
• M3: 670,797 km (0.085 R)
• M4: 810,222 km (0.049 R)
• M5: 1,022,352 km (0.107 R)
• M6: 1,245,103 km (0.045 R)
• M7: 3,383,605 km (0.105 R)
• M8: 3,715,413 km (0.029 R)
• M9: 4,012,664 km (0.067 R)
• M10: 4,472,976 km (0.072 R)
• M11: 5,497,572 km (0.094 R)
• M12: 6,514,239 km (0.113 R)
• M13: 7,564,566 km (0.105 R)
• M14: 10,304,301 km (0.055 R)
• M15: 12,536,900 km (0.079 R)
• M16: 17,330,465 km (0.112 R)
• M17: 21,893,948 km (0.095 R)
• M18: 23,758,685 km (0.086 R)
• M19: 24,682,751 km (0.09 R)
• M20: 27,097,261 km (0.111 R)
• M21: 29,664,360 km (0.075 R)
• M22: 31,831,285 km (0.07 R)
• M23: 32,053,588 km (0.09 R)
• M24: 32,277,087 km (0.117 R)
• M25: 32,840,024 km (0.036 R)
• M26: 37,581,229 km (0.104 R)
• M27: 43,711,002 km (0.115 R)
• M28: 47,807,141 km (0.113 R)
• M29: 48,098,707 km (0.104 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: 344 - 14,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit