🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.52 AU - 0.7 AU

Year: 313 Days

Day: 29.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.5

Radius: 8.3

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.94 AU - 1.28 AU

Year: 767 Days

Day: 6.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,137,554 km

• M1: 109,655 km (0.109 R)
• M2: 398,080 km (0.049 R)
• M3: 694,583 km (0.08 R)
• M4: 988,393 km (0.087 R)
• M5: 1,512,883 km (0.105 R)
• M6: 2,439,193 km (0.098 R)
• M7: 3,018,735 km (0.079 R)
• M8: 3,777,197 km (0.092 R)
• M9: 4,168,844 km (0.118 R)
• M10: 6,181,085 km (0.086 R)
• M11: 6,929,972 km (0.119 R)
• M12: 7,326,406 km (0.092 R)
• M13: 7,812,150 km (0.115 R)
• M14: 8,113,740 km (0.117 R)
• M15: 9,398,785 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 8.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.5 AU - 1.62 AU

Year: 1278 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,137,554 km

• M1: 112,198 km (0.094 R)
• M2: 430,393 km (0.046 R)
• M3: 772,523 km (0.06 R)
• M4: 1,049,878 km (0.115 R)
• M5: 1,826,440 km (0.08 R)
• M6: 2,182,483 km (0.068 R)
• M7: 2,608,388 km (0.12 R)
• M8: 3,022,475 km (0.088 R)
• M9: 3,538,588 km (0.095 R)
• M10: 3,872,490 km (0.108 R)
• M11: 4,586,521 km (0.101 R)
• M12: 4,873,599 km (0.113 R)
• M13: 5,444,615 km (0.115 R)
• M14: 6,428,071 km (0.07 R)
• M15: 6,880,754 km (0.071 R)
• M16: 7,574,739 km (0.089 R)
• M17: 8,634,639 km (0.091 R)
• M18: 9,186,207 km (0.115 R)
• M19: 9,790,433 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.9

Radius: 12.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.66 AU - 2.32 AU

Year: 1842 Days

Day: 5.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,137,554 km

• M1: 153,039 km (0.075 R)
• M2: 642,074 km (0.067 R)
• M3: 1,108,071 km (0.059 R)
• M4: 1,550,881 km (0.086 R)
• M5: 2,039,019 km (0.036 R)
• M6: 2,842,659 km (0.117 R)
• M7: 3,919,015 km (0.09 R)
• M8: 4,972,334 km (0.088 R)
• M9: 5,630,265 km (0.113 R)
• M10: 6,345,493 km (0.057 R)
• M11: 6,756,887 km (0.101 R)
• M12: 7,817,536 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.8

Radius: 13.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.34 AU - 4.72 AU

Year: 5307 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,137,554 km

• M1: 169,345 km (0.065 R)
• M2: 795,412 km (0.097 R)
• M3: 1,361,490 km (0.106 R)
• M4: 3,041,175 km (0.033 R)
• M5: 3,685,792 km (0.099 R)
• M6: 4,539,697 km (0.101 R)
• M7: 6,063,351 km (0.039 R)
• M8: 7,254,150 km (0.096 R)
• M9: 13,866,825 km (0.115 R)
• M10: 14,284,053 km (0.067 R)
• M11: 15,253,597 km (0.066 R)
• M12: 17,384,021 km (0.039 R)
• M13: 19,445,479 km (0.103 R)
• M14: 21,875,098 km (0.095 R)
• M15: 24,804,973 km (0.108 R)
• M16: 25,732,779 km (0.091 R)
• M17: 27,330,185 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.7

Radius: 4.6

Gravity: 16.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.15 AU - 8.25 AU

Year: 11377 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,137,554 km

• M1: 57,146 km (0.084 R)
• M2: 486,193 km (0.081 R)
• M3: 651,349 km (0.096 R)
• M4: 1,120,338 km (0.084 R)
• M5: 1,558,959 km (0.047 R)
• M6: 1,728,304 km (0.094 R)
• M7: 2,609,436 km (0.116 R)
• M8: 3,281,280 km (0.12 R)
• M9: 3,906,748 km (0.109 R)
• M10: 4,723,403 km (0.091 R)
• M11: 6,505,862 km (0.096 R)
• M12: 8,095,339 km (0.089 R)
• M13: 9,737,026 km (0.032 R)
• M14: 10,461,529 km (0.119 R)
• M15: 10,862,152 km (0.104 R)
• M16: 12,125,955 km (0.062 R)
• M17: 14,139,991 km (0.075 R)
• M18: 17,388,359 km (0.099 R)
• M19: 20,552,354 km (0.029 R)
• M20: 21,821,393 km (0.119 R)
• M21: 22,475,135 km (0.105 R)
• M22: 22,973,895 km (0.091 R)
• M23: 25,489,084 km (0.105 R)
• M24: 27,045,799 km (0.108 R)
• M25: 30,854,112 km (0.089 R)
• M26: 34,015,863 km (0.073 R)
• M27: 39,874,714 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.3

Radius: 5.6

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.42 AU - 7.78 AU

Year: 13745 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,137,554 km

• M1: 69,713 km (0.058 R)
• M2: 374,443 km (0.027 R)
• M3: 750,682 km (0.118 R)
• M4: 1,109,268 km (0.11 R)
• M5: 1,327,980 km (0.115 R)
• M6: 1,534,425 km (0.053 R)
• M7: 1,807,591 km (0.105 R)
• M8: 2,340,758 km (0.099 R)
• M9: 3,375,826 km (0.117 R)
• M10: 3,738,301 km (0.086 R)
• M11: 4,261,744 km (0.103 R)
• M12: 4,832,610 km (0.095 R)
• M13: 5,816,365 km (0.104 R)
• M14: 6,813,734 km (0.113 R)
• M15: 7,235,002 km (0.082 R)
• M16: 7,961,898 km (0.118 R)
• M17: 8,736,216 km (0.072 R)
• M18: 9,005,193 km (0.111 R)
• M19: 9,512,480 km (0.075 R)
• M20: 10,838,665 km (0.098 R)
• M21: 11,626,298 km (0.095 R)
• M22: 12,395,231 km (0.092 R)
• M23: 15,225,024 km (0.111 R)
• M24: 17,170,395 km (0.111 R)
• M25: 18,238,972 km (0.038 R)
• M26: 18,752,392 km (0.052 R)
• M27: 19,578,771 km (0.065 R)
• M28: 22,452,845 km (0.117 R)
• M29: 23,556,279 km (0.056 R)
• M30: 25,962,561 km (0.108 R)
• M31: 26,425,417 km (0.054 R)
• M32: 29,120,123 km (0.078 R)
• M33: 30,023,694 km (0.078 R)
• M34: 30,945,816 km (0.093 R)
• M35: 31,153,158 km (0.09 R)
• M36: 33,935,230 km (0.114 R)
• M37: 39,742,320 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 18,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit