🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.43 AU - 0.69 AU

Year: 266 Days

Day: 21.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 13.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.56 AU - 0.8 AU

Year: 357 Days

Day: 9.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,086,280 km

• M1: 172,935 km (0.1 R)
• M2: 685,457 km (0.11 R)
• M3: 1,143,676 km (0.055 R)
• M4: 1,815,669 km (0.065 R)
• M5: 2,620,207 km (0.041 R)
• M6: 3,274,398 km (0.073 R)
• M7: 3,920,063 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.4

Radius: 12.5

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.76 AU - 0.86 AU

Year: 464 Days

Day: 5.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,086,280 km

• M1: 155,731 km (0.078 R)
• M2: 575,503 km (0.073 R)
• M3: 994,227 km (0.118 R)
• M4: 1,535,024 km (0.085 R)
• M5: 2,006,706 km (0.057 R)
• M6: 2,447,571 km (0.07 R)
• M7: 3,179,404 km (0.113 R)
• M8: 3,706,287 km (0.094 R)
• M9: 4,464,748 km (0.078 R)
• M10: 5,324,338 km (0.108 R)
• M11: 5,750,093 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.9

Radius: 10.8

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.26 AU - 1.28 AU

Year: 910 Days

Day: 10.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,086,280 km

• M1: 134,488 km (0.118 R)
• M2: 763,248 km (0.059 R)
• M3: 1,674,299 km (0.085 R)
• M4: 2,230,055 km (0.064 R)
• M5: 3,727,829 km (0.074 R)
• M6: 4,520,100 km (0.07 R)
• M7: 5,204,660 km (0.101 R)
• M8: 5,746,802 km (0.117 R)
• M9: 6,460,234 km (0.061 R)
• M10: 7,086,900 km (0.076 R)
• M11: 7,652,380 km (0.094 R)
• M12: 8,381,071 km (0.097 R)
• M13: 8,873,547 km (0.092 R)
• M14: 9,976,832 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 8.5

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.91 AU - 2.23 AU

Year: 1894 Days

Day: 13.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,086,280 km

• M1: 105,766 km (0.119 R)
• M2: 500,106 km (0.052 R)
• M3: 1,040,603 km (0.099 R)
• M4: 1,450,351 km (0.076 R)
• M5: 1,729,351 km (0.069 R)
• M6: 2,334,325 km (0.055 R)
• M7: 2,693,210 km (0.086 R)
• M8: 3,213,362 km (0.114 R)
• M9: 6,305,550 km (0.098 R)
• M10: 6,925,185 km (0.103 R)
• M11: 7,698,606 km (0.096 R)
• M12: 8,076,639 km (0.098 R)
• M13: 8,682,511 km (0.067 R)
• M14: 9,416,438 km (0.089 R)
• M15: 10,505,361 km (0.117 R)
• M16: 11,487,770 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.1

Radius: 13.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.67 AU - 3.31 AU

Year: 3287 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,086,280 km

• M1: 172,935 km (0.085 R)
• M2: 619,335 km (0.029 R)
• M3: 1,063,342 km (0.12 R)
• M4: 1,607,130 km (0.093 R)
• M5: 2,042,609 km (0.116 R)
• M6: 2,719,390 km (0.11 R)
• M7: 3,839,130 km (0.083 R)
• M8: 4,420,168 km (0.119 R)
• M9: 5,270,333 km (0.109 R)
• M10: 6,775,288 km (0.055 R)
• M11: 7,597,328 km (0.097 R)
• M12: 8,192,279 km (0.095 R)
• M13: 8,650,347 km (0.096 R)
• M14: 9,762,458 km (0.082 R)
• M15: 10,240,573 km (0.031 R)
• M16: 11,323,960 km (0.072 R)
• M17: 12,740,503 km (0.042 R)
• M18: 13,491,783 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280

Radius: 15

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.6 AU - 5.4 AU

Year: 6069 Days

Day: 14.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,086,280 km

• M1: 186,848 km (0.114 R)
• M2: 679,324 km (0.115 R)
• M3: 1,190,350 km (0.087 R)
• M4: 2,171,263 km (0.051 R)
• M5: 2,951,267 km (0.076 R)
• M6: 3,427,437 km (0.113 R)
• M7: 4,584,726 km (0.095 R)
• M8: 7,042,769 km (0.107 R)
• M9: 8,006,628 km (0.092 R)
• M10: 13,689,552 km (0.107 R)
• M11: 15,244,173 km (0.101 R)
• M12: 16,798,794 km (0.061 R)
• M13: 18,764,061 km (0.076 R)
• M14: 19,962,938 km (0.083 R)
• M15: 20,548,464 km (0.079 R)
• M16: 23,866,695 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434

Radius: 5.6

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.85 AU - 7.35 AU

Year: 9579 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 34,086,280 km

• M1: 74,350 km (0.065 R)
• M2: 287,378 km (0.116 R)
• M3: 518,506 km (0.116 R)
• M4: 1,294,171 km (0.11 R)
• M5: 1,491,790 km (0.116 R)
• M6: 2,348,687 km (0.105 R)
• M7: 3,289,358 km (0.12 R)
• M8: 3,982,295 km (0.074 R)
• M9: 4,215,818 km (0.067 R)
• M10: 4,796,856 km (0.059 R)
• M11: 5,061,644 km (0.041 R)
• M12: 5,274,223 km (0.094 R)
• M13: 5,815,468 km (0.117 R)
• M14: 7,543,622 km (0.1 R)
• M15: 9,223,756 km (0.1 R)
• M16: 9,541,502 km (0.076 R)
• M17: 10,538,572 km (0.118 R)
• M18: 10,785,857 km (0.073 R)
• M19: 13,188,847 km (0.099 R)
• M20: 14,363,041 km (0.106 R)
• M21: 14,667,174 km (0.04 R)
• M22: 15,669,330 km (0.051 R)
• M23: 16,056,489 km (0.052 R)
• M24: 16,450,231 km (0.117 R)
• M25: 17,948,753 km (0.105 R)
• M26: 18,372,713 km (0.058 R)
• M27: 20,593,493 km (0.053 R)
• M28: 25,382,570 km (0.064 R)
• M29: 27,099,654 km (0.107 R)
• M30: 27,657,505 km (0.081 R)
• M31: 30,064,983 km (0.097 R)
• M32: 30,462,614 km (0.055 R)
• M33: 31,065,793 km (0.108 R)
• M34: 31,985,371 km (0.036 R)
• M35: 36,630,834 km (0.07 R)
• M36: 38,819,301 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.9

Radius: 3.7

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.04 AU - 8.46 AU

Year: 12412 Days

Day: 16.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,086,280 km

• M1: 46,076 km (0.089 R)
• M2: 213,327 km (0.085 R)
• M3: 693,985 km (0.104 R)
• M4: 876,195 km (0.078 R)
• M5: 1,431,652 km (0.082 R)
• M6: 1,928,616 km (0.07 R)
• M7: 2,208,364 km (0.093 R)
• M8: 2,696,202 km (0.042 R)
• M9: 4,301,088 km (0.118 R)
• M10: 5,771,486 km (0.087 R)
• M11: 6,826,001 km (0.049 R)
• M12: 10,749,355 km (0.059 R)
• M13: 12,229,327 km (0.083 R)
• M14: 12,698,615 km (0.101 R)
• M15: 17,409,303 km (0.107 R)
• M16: 17,671,398 km (0.087 R)
• M17: 18,338,156 km (0.038 R)
• M18: 18,883,440 km (0.103 R)
• M19: 23,481,630 km (0.045 R)
• M20: 24,778,793 km (0.053 R)
• M21: 25,027,125 km (0.047 R)
• M22: 27,514,938 km (0.046 R)
• M23: 32,182,691 km (0.093 R)
• M24: 33,984,298 km (0.078 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: 334 - 19,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit