🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.58 AU - 0.7 AU

Year: 336 Days

Day: 12.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.54 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.5

Radius: 12.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.14 AU - 2.74 AU

Year: 2500 Days

Day: 14.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,917,174 km

• M1: 154,235 km (0.094 R)
• M2: 714,031 km (0.118 R)
• M3: 1,364,333 km (0.114 R)
• M4: 1,880,146 km (0.077 R)
• M5: 2,387,582 km (0.076 R)
• M6: 2,816,030 km (0.105 R)
• M7: 3,312,845 km (0.077 R)
• M8: 4,060,086 km (0.082 R)
• M9: 4,569,018 km (0.045 R)
• M10: 5,424,269 km (0.101 R)
• M11: 5,966,412 km (0.077 R)
• M12: 6,819,569 km (0.093 R)
• M13: 7,874,832 km (0.047 R)
• M14: 8,281,738 km (0.115 R)
• M15: 8,968,692 km (0.11 R)
• M16: 9,943,322 km (0.114 R)
• M17: 10,493,842 km (0.066 R)
• M18: 13,161,770 km (0.08 R)
• M19: 15,125,841 km (0.039 R)
• M20: 16,709,185 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 11.5

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.06 AU - 6.3 AU

Year: 7734 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,917,174 km

• M1: 143,016 km (0.097 R)
• M2: 562,638 km (0.106 R)
• M3: 921,972 km (0.101 R)
• M4: 2,039,169 km (0.098 R)
• M5: 2,637,560 km (0.104 R)
• M6: 3,366,550 km (0.114 R)
• M7: 4,016,404 km (0.053 R)
• M8: 4,790,423 km (0.062 R)
• M9: 5,314,464 km (0.059 R)
• M10: 5,828,034 km (0.074 R)
• M11: 6,197,092 km (0.049 R)
• M12: 7,147,188 km (0.086 R)
• M13: 9,808,085 km (0.1 R)
• M14: 10,837,767 km (0.089 R)
• M15: 12,214,367 km (0.098 R)
• M16: 13,877,297 km (0.106 R)
• M17: 15,173,862 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.7

Radius: 7.2

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.19 AU - 8.25 AU

Year: 11428 Days

Day: 16.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,917,174 km

• M1: 89,609 km (0.11 R)
• M2: 586,274 km (0.056 R)
• M3: 858,841 km (0.103 R)
• M4: 1,398,441 km (0.072 R)
• M5: 1,993,691 km (0.071 R)
• M6: 3,199,599 km (0.089 R)
• M7: 3,601,718 km (0.1 R)
• M8: 5,137,041 km (0.101 R)
• M9: 5,892,959 km (0.077 R)
• M10: 6,758,533 km (0.115 R)
• M11: 8,920,521 km (0.098 R)
• M12: 10,458,686 km (0.095 R)
• M13: 12,620,076 km (0.071 R)
• M14: 15,920,056 km (0.075 R)
• M15: 17,230,982 km (0.076 R)
• M16: 18,315,567 km (0.095 R)
• M17: 19,598,967 km (0.088 R)
• M18: 21,184,405 km (0.117 R)
• M19: 22,008,240 km (0.097 R)
• M20: 24,161,253 km (0.115 R)
• M21: 27,599,760 km (0.066 R)
• M22: 29,081,976 km (0.102 R)
• M23: 30,616,551 km (0.034 R)
• M24: 33,624,216 km (0.114 R)
• M25: 37,177,464 km (0.104 R)
• M26: 40,219,388 km (0.092 R)
• M27: 41,353,938 km (0.039 R)
• M28: 44,885,196 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.4

Radius: 3.4

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.94 AU - 8.44 AU

Year: 12647 Days

Day: 19 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,917,174 km

• M1: 42,635 km (0.107 R)
• M2: 334,052 km (0.113 R)
• M3: 1,189,602 km (0.094 R)
• M4: 1,541,157 km (0.095 R)
• M5: 1,754,933 km (0.112 R)
• M6: 2,359,158 km (0.079 R)
• M7: 5,334,211 km (0.102 R)
• M8: 5,544,247 km (0.071 R)
• M9: 8,924,859 km (0.092 R)
• M10: 9,263,848 km (0.084 R)
• M11: 11,233,753 km (0.116 R)
• M12: 13,967,953 km (0.081 R)
• M13: 14,309,485 km (0.048 R)
• M14: 16,100,920 km (0.1 R)
• M15: 20,850,502 km (0.046 R)
• M16: 26,282,102 km (0.105 R)
• M17: 31,020,315 km (0.071 R)
• M18: 33,997,014 km (0.095 R)

Asteroid Belt

Center: 7.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.8

Radius: 5.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.55 AU - 8.09 AU

Year: 14346 Days

Day: 16.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,917,174 km

• M1: 76,744 km (0.044 R)
• M2: 280,945 km (0.078 R)
• M3: 1,239,418 km (0.108 R)
• M4: 1,774,231 km (0.08 R)
• M5: 2,626,939 km (0.09 R)
• M6: 3,163,696 km (0.102 R)
• M7: 4,200,259 km (0.114 R)
• M8: 5,534,672 km (0.116 R)
• M9: 6,184,825 km (0.032 R)
• M10: 8,440,461 km (0.08 R)
• M11: 9,173,940 km (0.111 R)
• M12: 10,860,357 km (0.077 R)
• M13: 11,240,036 km (0.102 R)
• M14: 12,177,267 km (0.037 R)
• M15: 13,112,253 km (0.096 R)
• M16: 17,204,952 km (0.092 R)
• M17: 17,785,990 km (0.067 R)
• M18: 21,255,464 km (0.07 R)
• M19: 22,530,786 km (0.03 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 11,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit