🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.53 AU - 0.59 AU

Year: 271 Days

Day: 21.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,917,632 km

• M1: 251,474 km (0.104 R)

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.7

Radius: 10.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.27 AU - 1.61 AU

Year: 1116 Days

Day: 10.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,917,632 km

• M1: 136,134 km (0.106 R)
• M2: 646,263 km (0.03 R)
• M3: 1,447,060 km (0.045 R)
• M4: 2,275,384 km (0.099 R)
• M5: 2,894,420 km (0.079 R)
• M6: 3,622,662 km (0.103 R)
• M7: 4,125,161 km (0.104 R)
• M8: 5,695,939 km (0.093 R)
• M9: 6,616,265 km (0.096 R)
• M10: 7,251,906 km (0.105 R)
• M11: 8,409,794 km (0.066 R)
• M12: 8,777,505 km (0.083 R)
• M13: 9,155,838 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.7

Radius: 9.9

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.38 AU - 1.72 AU

Year: 1246 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,917,632 km

• M1: 123,418 km (0.107 R)
• M2: 482,752 km (0.075 R)
• M3: 831,016 km (0.103 R)
• M4: 1,152,652 km (0.071 R)
• M5: 1,505,703 km (0.12 R)
• M6: 1,889,571 km (0.119 R)
• M7: 2,589,390 km (0.117 R)
• M8: 3,160,704 km (0.11 R)
• M9: 4,039,442 km (0.065 R)
• M10: 4,574,404 km (0.112 R)
• M11: 4,950,044 km (0.098 R)
• M12: 5,541,404 km (0.102 R)
• M13: 6,250,349 km (0.082 R)
• M14: 7,682,748 km (0.08 R)
• M15: 9,353,906 km (0.114 R)
• M16: 10,191,654 km (0.107 R)
• M17: 11,504,824 km (0.04 R)
• M18: 12,966,545 km (0.078 R)
• M19: 13,281,000 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.2

Radius: 8

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.39 AU - 2.77 AU

Year: 2676 Days

Day: 12.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,917,632 km

• M1: 99,931 km (0.097 R)
• M2: 466,745 km (0.072 R)
• M3: 787,034 km (0.053 R)
• M4: 1,097,151 km (0.094 R)
• M5: 1,562,400 km (0.116 R)
• M6: 1,859,502 km (0.108 R)
• M7: 2,291,241 km (0.054 R)
• M8: 2,952,613 km (0.075 R)
• M9: 3,429,082 km (0.051 R)
• M10: 4,603,575 km (0.091 R)
• M11: 4,905,314 km (0.104 R)
• M12: 5,319,700 km (0.061 R)
• M13: 6,025,952 km (0.033 R)
• M14: 6,617,163 km (0.026 R)
• M15: 7,093,183 km (0.058 R)
• M16: 7,687,984 km (0.107 R)
• M17: 8,417,573 km (0.116 R)
• M18: 9,560,052 km (0.099 R)
• M19: 9,899,190 km (0.104 R)
• M20: 11,888,992 km (0.076 R)
• M21: 12,193,423 km (0.115 R)
• M22: 12,682,459 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 9.7

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.88 AU - 3.66 AU

Year: 3818 Days

Day: 10.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,917,632 km

• M1: 120,725 km (0.098 R)
• M2: 430,991 km (0.074 R)
• M3: 937,679 km (0.067 R)
• M4: 1,272,330 km (0.092 R)
• M5: 1,866,084 km (0.061 R)
• M6: 2,305,004 km (0.092 R)
• M7: 3,280,981 km (0.09 R)
• M8: 3,862,467 km (0.076 R)
• M9: 5,105,925 km (0.117 R)
• M10: 5,513,430 km (0.104 R)
• M11: 6,480,879 km (0.103 R)
• M12: 9,636,347 km (0.114 R)
• M13: 10,993,948 km (0.119 R)
• M14: 11,981,742 km (0.096 R)
• M15: 12,703,253 km (0.059 R)
• M16: 13,645,271 km (0.075 R)
• M17: 15,457,499 km (0.109 R)
• M18: 17,029,922 km (0.073 R)
• M19: 18,945,673 km (0.061 R)
• M20: 20,363,113 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 11.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.71 AU - 5.75 AU

Year: 6642 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,917,632 km

• M1: 141,968 km (0.087 R)
• M2: 761,752 km (0.095 R)
• M3: 1,671,756 km (0.083 R)
• M4: 2,391,472 km (0.106 R)
• M5: 3,870,396 km (0.117 R)
• M6: 4,469,835 km (0.051 R)
• M7: 5,394,499 km (0.1 R)
• M8: 6,308,393 km (0.11 R)
• M9: 7,359,318 km (0.076 R)
• M10: 7,926,892 km (0.107 R)
• M11: 9,986,855 km (0.062 R)
• M12: 11,864,458 km (0.072 R)
• M13: 12,698,914 km (0.107 R)
• M14: 14,138,046 km (0.079 R)
• M15: 15,256,440 km (0.082 R)
• M16: 16,369,448 km (0.096 R)
• M17: 17,602,284 km (0.087 R)
• M18: 26,591,620 km (0.032 R)
• M19: 27,838,219 km (0.115 R)
• M20: 31,516,083 km (0.095 R)
• M21: 34,036,956 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 11.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.86 AU - 4.9 AU

Year: 6961 Days

Day: 8.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,917,632 km

• M1: 146,905 km (0.081 R)
• M2: 1,811,032 km (0.077 R)
• M3: 2,823,061 km (0.094 R)
• M4: 3,329,749 km (0.08 R)
• M5: 7,283,920 km (0.087 R)
• M6: 9,325,034 km (0.113 R)
• M7: 10,230,699 km (0.056 R)
• M8: 10,774,039 km (0.045 R)
• M9: 12,317,589 km (0.09 R)
• M10: 15,542,022 km (0.09 R)
• M11: 15,958,652 km (0.087 R)
• M12: 16,876,585 km (0.045 R)
• M13: 17,635,943 km (0.116 R)
• M14: 21,779,056 km (0.097 R)
• M15: 26,109,616 km (0.103 R)
• M16: 28,255,447 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.8

Radius: 5.2

Gravity: 21.96 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.68 AU - 8.98 AU

Year: 12814 Days

Day: 15.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,917,632 km

• M1: 128,804 km (0.066 R)
• M2: 315,502 km (0.109 R)
• M3: 1,148,313 km (0.12 R)
• M4: 2,314,728 km (0.101 R)
• M5: 2,770,403 km (0.114 R)
• M6: 4,083,124 km (0.111 R)
• M7: 4,316,497 km (0.119 R)
• M8: 5,171,000 km (0.056 R)
• M9: 6,439,291 km (0.079 R)
• M10: 8,544,582 km (0.065 R)
• M11: 8,878,634 km (0.105 R)
• M12: 9,320,845 km (0.08 R)
• M13: 14,314,721 km (0.09 R)
• M14: 14,785,954 km (0.1 R)
• M15: 15,406,786 km (0.079 R)
• M16: 25,229,531 km (0.111 R)
• M17: 26,616,304 km (0.114 R)
• M18: 27,225,915 km (0.092 R)
• M19: 29,757,410 km (0.079 R)
• M20: 38,672,845 km (0.066 R)
• M21: 48,008,799 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 11,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit