🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.86 AU - 1.14 AU

Year: 383 Days

Day: 25.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 59,214,810 km

• M1: 33,959 km (0.117 R)
• M2: 378,034 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.07 AU - 2.21 AU

Year: 1199 Days

Day: 32.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.3

Radius: 10.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.82 AU - 6.54 AU

Year: 5183 Days

Day: 13.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,214,810 km

• M1: 128,056 km (0.116 R)
• M2: 517,160 km (0.066 R)
• M3: 901,477 km (0.1 R)
• M4: 1,240,166 km (0.115 R)
• M5: 1,714,541 km (0.106 R)
• M6: 2,072,230 km (0.082 R)
• M7: 2,577,721 km (0.092 R)
• M8: 4,313,804 km (0.116 R)
• M9: 5,249,240 km (0.112 R)
• M10: 5,808,437 km (0.051 R)
• M11: 6,721,432 km (0.077 R)
• M12: 7,279,732 km (0.037 R)
• M13: 7,797,789 km (0.048 R)
• M14: 9,063,237 km (0.057 R)
• M15: 10,460,930 km (0.105 R)
• M16: 11,669,232 km (0.034 R)
• M17: 12,524,932 km (0.105 R)
• M18: 14,414,652 km (0.12 R)
• M19: 15,177,003 km (0.118 R)
• M20: 16,781,889 km (0.104 R)
• M21: 20,801,734 km (0.053 R)
• M22: 25,342,926 km (0.103 R)
• M23: 26,694,992 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.9

Radius: 12.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.94 AU - 8.42 AU

Year: 8149 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,214,810 km

• M1: 193,280 km (0.085 R)
• M2: 707,748 km (0.116 R)
• M3: 1,218,774 km (0.044 R)
• M4: 2,879,161 km (0.088 R)
• M5: 4,582,632 km (0.091 R)
• M6: 5,525,098 km (0.073 R)
• M7: 6,592,329 km (0.084 R)
• M8: 7,970,126 km (0.065 R)
• M9: 9,251,581 km (0.069 R)
• M10: 9,900,088 km (0.102 R)
• M11: 10,449,262 km (0.102 R)
• M12: 13,660,081 km (0.038 R)
• M13: 14,501,868 km (0.112 R)
• M14: 15,489,663 km (0.114 R)
• M15: 19,302,912 km (0.103 R)
• M16: 19,960,844 km (0.055 R)
• M17: 20,838,535 km (0.12 R)
• M18: 21,321,736 km (0.109 R)
• M19: 21,812,267 km (0.113 R)
• M20: 22,310,428 km (0.096 R)
• M21: 22,889,073 km (0.034 R)
• M22: 26,252,033 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836

Radius: 14.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.32 AU - 8.7 AU

Year: 9505 Days

Day: 5 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,214,810 km

• M1: 188,045 km (0.052 R)
• M2: 675,135 km (0.094 R)
• M3: 1,605,484 km (0.095 R)
• M4: 2,275,234 km (0.114 R)
• M5: 2,971,762 km (0.107 R)
• M6: 3,553,697 km (0.09 R)
• M7: 4,352,400 km (0.093 R)
• M8: 4,980,562 km (0.08 R)
• M9: 6,646,484 km (0.097 R)
• M10: 7,399,709 km (0.035 R)
• M11: 8,209,333 km (0.095 R)
• M12: 9,172,145 km (0.118 R)
• M13: 12,166,496 km (0.035 R)
• M14: 13,112,553 km (0.085 R)
• M15: 14,234,985 km (0.09 R)
• M16: 16,246,628 km (0.107 R)
• M17: 19,690,072 km (0.097 R)
• M18: 20,334,988 km (0.082 R)
• M19: 21,667,307 km (0.105 R)
• M20: 22,792,133 km (0.108 R)
• M21: 23,413,563 km (0.095 R)
• M22: 30,054,362 km (0.1 R)
• M23: 31,781,768 km (0.12 R)
• M24: 46,903,271 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701

Radius: 9.7

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.11 AU - 10.07 AU

Year: 11371 Days

Day: 7.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,214,810 km

• M1: 121,174 km (0.113 R)
• M2: 480,808 km (0.084 R)
• M3: 1,001,408 km (0.12 R)
• M4: 2,509,504 km (0.081 R)
• M5: 5,854,662 km (0.103 R)
• M6: 8,160,265 km (0.088 R)
• M7: 9,047,679 km (0.103 R)
• M8: 16,339,379 km (0.081 R)
• M9: 18,753,439 km (0.112 R)
• M10: 21,052,609 km (0.084 R)
• M11: 22,270,037 km (0.08 R)
• M12: 23,996,396 km (0.054 R)
• M13: 29,174,726 km (0.062 R)
• M14: 29,708,791 km (0.117 R)
• M15: 30,576,758 km (0.091 R)
• M16: 36,636,219 km (0.079 R)
• M17: 38,394,742 km (0.112 R)
• M18: 39,946,222 km (0.111 R)
• M19: 43,173,796 km (0.094 R)
• M20: 46,281,542 km (0.108 R)
• M21: 51,217,973 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.3

Radius: 6.7

Gravity: 16.63 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 10.67 AU - 14.01 AU

Year: 16597 Days

Day: 24.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 170.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,214,810 km

• M1: 83,326 km (0.057 R)
• M2: 355,744 km (0.109 R)
• M3: 579,841 km (0.102 R)
• M4: 956,828 km (0.074 R)
• M5: 1,397,843 km (0.073 R)
• M6: 1,648,569 km (0.111 R)
• M7: 6,168,818 km (0.082 R)
• M8: 7,484,381 km (0.108 R)
• M9: 7,961,748 km (0.107 R)
• M10: 8,819,542 km (0.093 R)
• M11: 9,352,111 km (0.098 R)
• M12: 10,599,009 km (0.055 R)
• M13: 11,888,992 km (0.084 R)
• M14: 13,280,401 km (0.109 R)
• M15: 14,777,128 km (0.085 R)
• M16: 15,527,960 km (0.116 R)
• M17: 22,474,836 km (0.1 R)
• M18: 24,178,457 km (0.068 R)
• M19: 26,182,470 km (0.106 R)
• M20: 27,953,858 km (0.099 R)
• M21: 30,637,943 km (0.118 R)
• M22: 31,980,434 km (0.087 R)
• M23: 34,390,755 km (0.095 R)
• M24: 48,439,342 km (0.12 R)
• M25: 63,110,405 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.7

Radius: 7.9

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 10.09 AU - 14.77 AU

Year: 16779 Days

Day: 24.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,214,810 km

• M1: 98,435 km (0.092 R)
• M2: 363,822 km (0.093 R)
• M3: 845,976 km (0.111 R)
• M4: 1,113,457 km (0.101 R)
• M5: 1,555,070 km (0.07 R)
• M6: 2,765,466 km (0.077 R)
• M7: 3,092,637 km (0.074 R)
• M8: 3,524,675 km (0.025 R)
• M9: 3,910,189 km (0.068 R)
• M10: 6,473,997 km (0.074 R)
• M11: 7,487,822 km (0.112 R)
• M12: 9,458,774 km (0.071 R)
• M13: 9,826,785 km (0.038 R)
• M14: 10,369,227 km (0.09 R)
• M15: 16,035,246 km (0.102 R)
• M16: 17,016,907 km (0.119 R)
• M17: 24,739,897 km (0.106 R)
• M18: 25,641,374 km (0.101 R)
• M19: 28,914,276 km (0.082 R)
• M20: 35,639,748 km (0.076 R)
• M21: 37,047,613 km (0.098 R)
• M22: 38,758,864 km (0.091 R)
• M23: 43,194,291 km (0.087 R)
• M24: 43,771,439 km (0.106 R)
• M25: 44,353,674 km (0.107 R)
• M26: 47,342,939 km (0.111 R)
• M27: 49,987,231 km (0.077 R)
• M28: 50,783,241 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 10,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit