🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.58 AU - 0.66 AU

Year: 179 Days

Day: 13.5 Hours

Environment

Temp: 197 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.59 AU - 2.59 AU

Year: 1109 Days

Day: 28.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 9.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.49 AU - 6.55 AU

Year: 6111 Days

Day: 5.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,017,227 km

• M1: 118,332 km (0.055 R)
• M2: 564,582 km (0.088 R)
• M3: 873,352 km (0.118 R)
• M4: 1,279,660 km (0.043 R)
• M5: 1,834,818 km (0.071 R)
• M6: 2,246,212 km (0.111 R)
• M7: 3,329,899 km (0.087 R)
• M8: 4,138,176 km (0.049 R)
• M9: 4,473,126 km (0.086 R)
• M10: 6,636,610 km (0.066 R)
• M11: 10,040,560 km (0.114 R)
• M12: 11,408,932 km (0.086 R)
• M13: 12,025,574 km (0.075 R)
• M14: 13,959,576 km (0.114 R)
• M15: 16,532,509 km (0.039 R)
• M16: 19,530,002 km (0.09 R)
• M17: 20,412,330 km (0.12 R)
• M18: 21,058,593 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.9

Radius: 12.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.93 AU - 7.73 AU

Year: 7285 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,017,227 km

• M1: 157,377 km (0.09 R)
• M2: 553,512 km (0.116 R)
• M3: 1,038,060 km (0.107 R)
• M4: 1,797,418 km (0.097 R)
• M5: 2,334,325 km (0.119 R)
• M6: 3,468,576 km (0.087 R)
• M7: 4,744,347 km (0.119 R)
• M8: 5,348,573 km (0.095 R)
• M9: 6,207,564 km (0.057 R)
• M10: 7,128,039 km (0.091 R)
• M11: 10,183,875 km (0.057 R)
• M12: 10,586,593 km (0.086 R)
• M13: 14,892,169 km (0.044 R)
• M14: 16,992,673 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.5

Radius: 10.3

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.22 AU - 9.92 AU

Year: 8416 Days

Day: 13.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,017,227 km

• M1: 129,552 km (0.067 R)
• M2: 547,827 km (0.114 R)
• M3: 1,053,169 km (0.118 R)
• M4: 1,662,930 km (0.114 R)
• M5: 1,983,219 km (0.044 R)
• M6: 2,813,338 km (0.08 R)
• M7: 3,204,686 km (0.12 R)
• M8: 3,783,181 km (0.051 R)
• M9: 4,602,827 km (0.102 R)
• M10: 5,149,009 km (0.104 R)
• M11: 5,806,043 km (0.117 R)
• M12: 7,447,880 km (0.118 R)
• M13: 7,776,845 km (0.064 R)
• M14: 8,868,012 km (0.083 R)
• M15: 11,514,249 km (0.08 R)
• M16: 12,067,013 km (0.109 R)
• M17: 12,521,641 km (0.081 R)
• M18: 13,954,938 km (0.093 R)
• M19: 15,694,911 km (0.058 R)
• M20: 16,721,751 km (0.101 R)
• M21: 18,233,736 km (0.114 R)
• M22: 19,061,013 km (0.098 R)
• M23: 20,710,030 km (0.085 R)
• M24: 22,967,013 km (0.116 R)
• M25: 24,741,393 km (0.067 R)
• M26: 27,473,799 km (0.1 R)
• M27: 28,162,248 km (0.082 R)
• M28: 34,543,944 km (0.103 R)
• M29: 35,926,527 km (0.082 R)
• M30: 38,069,068 km (0.117 R)
• M31: 41,569,209 km (0.118 R)
• M32: 41,956,518 km (0.11 R)
• M33: 42,738,316 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.2

Radius: 6.7

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 9.81 AU - 14.93 AU

Year: 15971 Days

Day: 20.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,017,227 km

• M1: 86,168 km (0.091 R)
• M2: 464,501 km (0.045 R)
• M3: 685,757 km (0.097 R)
• M4: 1,001,259 km (0.093 R)
• M5: 1,511,387 km (0.11 R)
• M6: 1,962,874 km (0.08 R)
• M7: 2,259,077 km (0.118 R)
• M8: 3,433,720 km (0.095 R)
• M9: 3,781,834 km (0.074 R)
• M10: 5,240,713 km (0.114 R)
• M11: 8,148,446 km (0.066 R)
• M12: 11,274,743 km (0.085 R)
• M13: 13,166,857 km (0.12 R)
• M14: 13,621,634 km (0.1 R)
• M15: 14,019,864 km (0.051 R)
• M16: 14,425,723 km (0.111 R)
• M17: 20,699,558 km (0.068 R)
• M18: 23,515,439 km (0.12 R)
• M19: 23,992,357 km (0.106 R)
• M20: 32,174,313 km (0.098 R)
• M21: 34,080,190 km (0.112 R)
• M22: 39,438,935 km (0.102 R)
• M23: 48,335,521 km (0.108 R)
• M24: 52,595,320 km (0.048 R)
• M25: 57,098,814 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.5

Radius: 3.5

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 12.89 AU - 21.21 AU

Year: 25844 Days

Day: 17.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,017,227 km

• M1: 43,533 km (0.098 R)
• M2: 201,060 km (0.097 R)
• M3: 1,413,401 km (0.079 R)
• M4: 2,168,272 km (0.094 R)
• M5: 2,422,887 km (0.078 R)
• M6: 2,632,175 km (0.081 R)
• M7: 3,232,660 km (0.104 R)
• M8: 3,383,305 km (0.086 R)
• M9: 4,859,537 km (0.071 R)
• M10: 5,024,095 km (0.071 R)
• M11: 8,950,590 km (0.094 R)
• M12: 10,126,429 km (0.099 R)
• M13: 10,723,774 km (0.064 R)
• M14: 15,934,417 km (0.102 R)
• M15: 16,151,783 km (0.119 R)
• M16: 16,592,349 km (0.063 R)
• M17: 17,192,236 km (0.097 R)
• M18: 17,651,502 km (0.084 R)
• M19: 19,987,472 km (0.032 R)
• M20: 20,924,853 km (0.102 R)
• M21: 23,535,934 km (0.11 R)
• M22: 24,007,017 km (0.079 R)
• M23: 28,427,036 km (0.075 R)
• M24: 33,006,377 km (0.089 R)
• M25: 36,526,714 km (0.079 R)
• M26: 38,053,659 km (0.071 R)
• M27: 40,423,140 km (0.052 R)
• M28: 42,610,261 km (0.093 R)
• M29: 44,301,465 km (0.029 R)
• M30: 48,572,185 km (0.062 R)
• M31: 49,029,057 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.7

Radius: 4.1

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 14.65 AU - 21.65 AU

Year: 28385 Days

Day: 24 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,017,227 km

• M1: 51,013 km (0.118 R)
• M2: 297,849 km (0.067 R)
• M3: 989,889 km (0.11 R)
• M4: 2,099,008 km (0.119 R)
• M5: 3,964,942 km (0.099 R)
• M6: 7,920,310 km (0.049 R)
• M7: 12,019,142 km (0.115 R)
• M8: 12,754,266 km (0.083 R)
• M9: 13,069,169 km (0.088 R)
• M10: 23,006,806 km (0.077 R)
• M11: 23,946,281 km (0.072 R)
• M12: 24,715,962 km (0.097 R)
• M13: 27,644,490 km (0.087 R)
• M14: 28,598,326 km (0.109 R)
• M15: 42,924,566 km (0.05 R)
• M16: 47,581,847 km (0.083 R)
• M17: 47,732,641 km (0.097 R)
• M18: 47,883,735 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 19,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit