🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.52 AU - 0.56 AU

Year: 260 Days

Day: 38.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,455,233 km

• M1: 123,119 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.1

Radius: 11.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.83 AU - 0.93 AU

Year: 542 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,455,233 km

• M1: 150,645 km (0.036 R)
• M2: 603,328 km (0.087 R)
• M3: 1,060,649 km (0.041 R)
• M4: 1,445,863 km (0.111 R)
• M5: 1,853,966 km (0.087 R)
• M6: 2,593,429 km (0.075 R)
• M7: 3,216,653 km (0.108 R)
• M8: 3,924,251 km (0.097 R)
• M9: 4,763,944 km (0.095 R)
• M10: 5,843,143 km (0.086 R)
• M11: 6,450,211 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.3

Radius: 12.5

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.23 AU - 1.58 AU

Year: 1087 Days

Day: 10.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,455,233 km

• M1: 155,731 km (0.072 R)
• M2: 547,379 km (0.09 R)
• M3: 942,616 km (0.071 R)
• M4: 1,541,008 km (0.105 R)
• M5: 2,116,211 km (0.037 R)
• M6: 3,090,243 km (0.106 R)
• M7: 3,515,849 km (0.067 R)
• M8: 3,980,799 km (0.089 R)
• M9: 4,822,138 km (0.084 R)
• M10: 6,406,230 km (0.081 R)
• M11: 6,833,332 km (0.113 R)
• M12: 7,985,235 km (0.109 R)
• M13: 8,593,650 km (0.095 R)
• M14: 10,218,881 km (0.114 R)
• M15: 11,273,995 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 14.2

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.49 AU - 1.83 AU

Year: 1403 Days

Day: 11.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 146 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,455,233 km

• M1: 176,525 km (0.087 R)
• M2: 644,617 km (0.038 R)
• M3: 1,454,241 km (0.082 R)
• M4: 2,408,825 km (0.117 R)
• M5: 3,265,871 km (0.112 R)
• M6: 3,800,384 km (0.106 R)
• M7: 4,702,759 km (0.054 R)
• M8: 5,585,984 km (0.056 R)
• M9: 6,906,934 km (0.102 R)
• M10: 7,599,871 km (0.1 R)
• M11: 8,726,044 km (0.094 R)
• M12: 10,060,457 km (0.117 R)
• M13: 11,345,054 km (0.039 R)
• M14: 11,858,773 km (0.103 R)
• M15: 12,464,794 km (0.084 R)
• M16: 13,091,459 km (0.11 R)
• M17: 13,739,218 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.3

Radius: 12.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.44 AU - 2.16 AU

Year: 1584 Days

Day: 11.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,455,233 km

• M1: 160,369 km (0.07 R)
• M2: 615,446 km (0.1 R)
• M3: 1,250,489 km (0.118 R)
• M4: 3,111,187 km (0.097 R)
• M5: 3,516,298 km (0.048 R)
• M6: 4,265,334 km (0.081 R)
• M7: 4,678,374 km (0.114 R)
• M8: 5,309,677 km (0.084 R)
• M9: 5,809,484 km (0.069 R)
• M10: 6,319,014 km (0.108 R)
• M11: 9,792,078 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.1

Radius: 9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.97 AU - 6.11 AU

Year: 7423 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,455,233 km

• M1: 127,009 km (0.041 R)
• M2: 783,594 km (0.107 R)
• M3: 1,299,108 km (0.063 R)
• M4: 1,634,506 km (0.051 R)
• M5: 2,293,186 km (0.057 R)
• M6: 2,701,289 km (0.086 R)
• M7: 3,600,372 km (0.077 R)
• M8: 4,107,359 km (0.037 R)
• M9: 4,586,372 km (0.08 R)
• M10: 5,182,818 km (0.082 R)
• M11: 5,627,573 km (0.111 R)
• M12: 6,158,047 km (0.033 R)
• M13: 7,251,009 km (0.049 R)
• M14: 8,773,616 km (0.096 R)
• M15: 9,285,241 km (0.066 R)
• M16: 9,692,296 km (0.077 R)
• M17: 10,026,498 km (0.112 R)
• M18: 13,910,208 km (0.081 R)
• M19: 14,282,109 km (0.106 R)
• M20: 14,770,097 km (0.1 R)
• M21: 15,213,056 km (0.119 R)
• M22: 15,607,995 km (0.115 R)
• M23: 16,242,290 km (0.101 R)
• M24: 17,134,940 km (0.062 R)
• M25: 22,601,396 km (0.109 R)
• M26: 23,115,863 km (0.097 R)
• M27: 24,628,896 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.9

Radius: 5.3

Gravity: 35.03 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.77 AU - 7.85 AU

Year: 10398 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 55.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,455,233 km

• M1: 65,973 km (0.044 R)
• M2: 238,459 km (0.105 R)
• M3: 422,614 km (0.051 R)
• M4: 932,144 km (0.044 R)
• M5: 1,848,730 km (0.04 R)
• M6: 2,631,127 km (0.105 R)
• M7: 2,874,224 km (0.055 R)
• M8: 3,329,450 km (0.076 R)
• M9: 3,803,825 km (0.112 R)
• M10: 4,322,032 km (0.072 R)
• M11: 4,566,924 km (0.107 R)
• M12: 5,497,722 km (0.118 R)
• M13: 5,676,342 km (0.108 R)
• M14: 6,709,165 km (0.055 R)
• M15: 6,996,244 km (0.115 R)
• M16: 7,206,129 km (0.105 R)
• M17: 7,906,547 km (0.063 R)
• M18: 12,101,421 km (0.109 R)
• M19: 12,899,376 km (0.107 R)
• M20: 15,432,666 km (0.05 R)
• M21: 18,437,938 km (0.107 R)
• M22: 19,164,235 km (0.085 R)
• M23: 21,633,797 km (0.094 R)
• M24: 25,377,035 km (0.064 R)
• M25: 26,885,281 km (0.098 R)
• M26: 28,987,879 km (0.115 R)
• M27: 32,111,931 km (0.049 R)
• M28: 32,926,641 km (0.078 R)
• M29: 38,495,870 km (0.051 R)
• M30: 44,231,004 km (0.047 R)
• M31: 45,239,144 km (0.119 R)
• M32: 46,557,550 km (0.069 R)
• M33: 50,510,075 km (0.079 R)
• M34: 52,889,130 km (0.116 R)
• M35: 54,845,422 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.8

Radius: 7.4

Gravity: 17.22 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.81 AU - 12.05 AU

Year: 22097 Days

Day: 21.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,455,233 km

• M1: 92,152 km (0.084 R)
• M2: 379,081 km (0.084 R)
• M3: 751,879 km (0.103 R)
• M4: 7,077,924 km (0.066 R)
• M5: 8,001,392 km (0.12 R)
• M6: 12,220,351 km (0.101 R)
• M7: 20,805,174 km (0.114 R)
• M8: 23,558,822 km (0.114 R)
• M9: 25,835,702 km (0.063 R)
• M10: 26,071,019 km (0.076 R)
• M11: 29,648,204 km (0.082 R)
• M12: 31,890,526 km (0.065 R)
• M13: 32,983,787 km (0.045 R)
• M14: 37,007,072 km (0.082 R)
• M15: 37,607,259 km (0.08 R)
• M16: 38,214,028 km (0.11 R)
• M17: 39,291,432 km (0.109 R)
• M18: 41,345,860 km (0.061 R)
• M19: 44,983,781 km (0.112 R)
• M20: 53,650,733 km (0.094 R)
• M21: 57,768,863 km (0.097 R)
• M22: 58,983,000 km (0.063 R)
• M23: 65,092,427 km (0.068 R)
• M24: 72,542,102 km (0.07 R)
• M25: 73,718,240 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 20,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit