🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.43 AU - 0.61 AU

Year: 246 Days

Day: 23.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 10.6

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.03 AU - 1.65 AU

Year: 1018 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,233,065 km

• M1: 132,544 km (0.043 R)
• M2: 481,855 km (0.116 R)
• M3: 1,549,535 km (0.094 R)
• M4: 2,060,860 km (0.044 R)
• M5: 2,637,859 km (0.106 R)
• M6: 2,989,115 km (0.08 R)
• M7: 3,575,389 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.5

Radius: 13.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.56 AU - 2 AU

Year: 1558 Days

Day: 12.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,233,065 km

• M1: 171,589 km (0.064 R)
• M2: 744,997 km (0.101 R)
• M3: 1,248,394 km (0.083 R)
• M4: 2,655,661 km (0.054 R)
• M5: 3,299,531 km (0.098 R)
• M6: 3,762,087 km (0.069 R)
• M7: 4,306,175 km (0.106 R)
• M8: 4,965,303 km (0.099 R)
• M9: 5,783,454 km (0.1 R)
• M10: 6,613,123 km (0.07 R)
• M11: 7,327,154 km (0.108 R)
• M12: 7,888,894 km (0.098 R)
• M13: 8,754,467 km (0.108 R)
• M14: 11,546,861 km (0.061 R)
• M15: 12,154,079 km (0.11 R)
• M16: 12,583,874 km (0.072 R)
• M17: 13,432,542 km (0.04 R)
• M18: 14,190,106 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.4

Radius: 15

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.3 AU - 3.28 AU

Year: 3057 Days

Day: 8 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,233,065 km

• M1: 186,698 km (0.117 R)
• M2: 917,484 km (0.112 R)
• M3: 2,265,510 km (0.082 R)
• M4: 3,225,031 km (0.066 R)
• M5: 3,823,273 km (0.104 R)
• M6: 5,364,580 km (0.066 R)
• M7: 6,321,258 km (0.078 R)
• M8: 6,948,073 km (0.055 R)
• M9: 7,514,750 km (0.078 R)
• M10: 8,657,378 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.7

Radius: 10

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.13 AU - 4.01 AU

Year: 4425 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,233,065 km

• M1: 128,355 km (0.058 R)
• M2: 614,847 km (0.107 R)
• M3: 958,623 km (0.091 R)
• M4: 1,585,139 km (0.097 R)
• M5: 2,704,580 km (0.086 R)
• M6: 3,034,294 km (0.076 R)
• M7: 3,820,430 km (0.111 R)
• M8: 4,482,401 km (0.072 R)
• M9: 4,814,807 km (0.03 R)
• M10: 5,386,870 km (0.116 R)
• M11: 6,965,726 km (0.114 R)
• M12: 8,366,111 km (0.043 R)
• M13: 10,118,202 km (0.034 R)
• M14: 10,558,319 km (0.085 R)
• M15: 13,898,839 km (0.064 R)
• M16: 14,278,369 km (0.064 R)
• M17: 15,749,365 km (0.1 R)
• M18: 19,056,226 km (0.081 R)
• M19: 20,625,507 km (0.107 R)
• M20: 21,405,810 km (0.111 R)
• M21: 23,025,207 km (0.077 R)
• M22: 24,724,638 km (0.108 R)
• M23: 26,340,894 km (0.11 R)
• M24: 27,006,604 km (0.097 R)
• M25: 29,071,354 km (0.077 R)
• M26: 30,232,682 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 14.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.7 AU - 6.02 AU

Year: 8141 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,233,065 km

• M1: 184,604 km (0.115 R)
• M2: 783,294 km (0.108 R)
• M3: 1,616,854 km (0.106 R)
• M4: 2,448,768 km (0.09 R)
• M5: 3,599,774 km (0.054 R)
• M6: 5,270,483 km (0.075 R)
• M7: 5,751,290 km (0.114 R)
• M8: 6,367,035 km (0.075 R)
• M9: 10,727,963 km (0.09 R)
• M10: 12,318,188 km (0.099 R)
• M11: 14,304,698 km (0.1 R)
• M12: 14,864,643 km (0.047 R)
• M13: 16,228,078 km (0.09 R)
• M14: 16,769,024 km (0.105 R)
• M15: 17,252,075 km (0.06 R)
• M16: 22,110,864 km (0.088 R)
• M17: 23,885,843 km (0.101 R)
• M18: 25,031,165 km (0.064 R)
• M19: 26,864,337 km (0.045 R)
• M20: 30,694,042 km (0.081 R)
• M21: 31,942,137 km (0.106 R)
• M22: 32,578,826 km (0.086 R)
• M23: 38,336,848 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 8

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.32 AU - 6.42 AU

Year: 8163 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,233,065 km

• M1: 99,483 km (0.118 R)
• M2: 453,880 km (0.056 R)
• M3: 1,125,574 km (0.106 R)
• M4: 2,955,007 km (0.107 R)
• M5: 5,126,420 km (0.065 R)
• M6: 5,483,809 km (0.111 R)
• M7: 6,149,669 km (0.096 R)
• M8: 8,553,258 km (0.1 R)
• M9: 8,971,684 km (0.095 R)
• M10: 10,169,962 km (0.045 R)
• M11: 10,977,043 km (0.075 R)
• M12: 14,111,268 km (0.062 R)
• M13: 15,975,856 km (0.092 R)
• M14: 16,934,479 km (0.057 R)
• M15: 25,424,457 km (0.1 R)
• M16: 27,624,144 km (0.113 R)
• M17: 32,701,197 km (0.107 R)
• M18: 34,348,120 km (0.107 R)
• M19: 35,941,636 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 9.5

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.54 AU - 5.72 AU

Year: 8763 Days

Day: 14.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,233,065 km

• M1: 118,781 km (0.049 R)
• M2: 476,469 km (0.071 R)
• M3: 1,082,640 km (0.092 R)
• M4: 1,694,645 km (0.075 R)
• M5: 2,447,421 km (0.118 R)
• M6: 2,921,198 km (0.064 R)
• M7: 3,526,471 km (0.117 R)
• M8: 4,079,534 km (0.107 R)
• M9: 5,170,102 km (0.1 R)
• M10: 5,817,113 km (0.097 R)
• M11: 9,414,344 km (0.081 R)
• M12: 10,629,677 km (0.093 R)
• M13: 11,039,874 km (0.097 R)
• M14: 12,166,944 km (0.106 R)
• M15: 13,134,244 km (0.089 R)
• M16: 15,415,612 km (0.091 R)
• M17: 16,074,890 km (0.054 R)
• M18: 18,165,819 km (0.114 R)
• M19: 21,714,430 km (0.103 R)
• M20: 22,125,974 km (0.073 R)
• M21: 23,737,891 km (0.078 R)
• M22: 25,883,872 km (0.093 R)
• M23: 41,789,118 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.6

Radius: 5.5

Gravity: 19.33 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5 AU - 7.32 AU

Year: 10030 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 20,233,065 km

• M1: 68,516 km (0.076 R)
• M2: 251,175 km (0.102 R)
• M3: 514,168 km (0.03 R)
• M4: 737,368 km (0.084 R)
• M5: 1,004,101 km (0.101 R)
• M6: 1,615,507 km (0.083 R)
• M7: 1,969,007 km (0.107 R)
• M8: 2,280,320 km (0.1 R)
• M9: 2,871,830 km (0.052 R)
• M10: 3,735,608 km (0.093 R)
• M11: 4,158,372 km (0.078 R)
• M12: 4,553,909 km (0.114 R)
• M13: 5,822,798 km (0.047 R)
• M14: 6,956,002 km (0.089 R)
• M15: 7,230,963 km (0.097 R)
• M16: 7,719,250 km (0.071 R)
• M17: 8,626,112 km (0.11 R)
• M18: 9,698,430 km (0.052 R)
• M19: 14,057,862 km (0.041 R)
• M20: 16,555,996 km (0.053 R)
• M21: 17,546,484 km (0.067 R)
• M22: 18,650,815 km (0.103 R)
• M23: 20,673,528 km (0.09 R)
• M24: 22,751,891 km (0.059 R)
• M25: 23,709,019 km (0.025 R)
• M26: 24,874,386 km (0.078 R)
• M27: 26,550,331 km (0.053 R)
• M28: 30,021,899 km (0.099 R)
• M29: 30,961,224 km (0.11 R)
• M30: 41,327,160 km (0.049 R)
• M31: 43,011,931 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.1

Radius: 5.3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.11 AU - 7.37 AU

Year: 11479 Days

Day: 17.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,233,065 km

• M1: 65,973 km (0.052 R)
• M2: 1,038,508 km (0.079 R)
• M3: 2,632,474 km (0.115 R)
• M4: 2,820,518 km (0.067 R)
• M5: 3,607,553 km (0.095 R)
• M6: 4,443,805 km (0.112 R)
• M7: 4,965,901 km (0.108 R)
• M8: 6,633,618 km (0.096 R)
• M9: 9,526,243 km (0.099 R)
• M10: 10,823,256 km (0.061 R)
• M11: 11,023,568 km (0.1 R)
• M12: 19,515,790 km (0.085 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 10,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit