🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.47 AU - 0.73 AU

Year: 177 Days

Day: 16.9 Hours

Environment

Temp: 203 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,201,670 km

• M1: 39,643 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.06 AU - 1.46 AU

Year: 539 Days

Day: 27.6 Hours

Environment

Temp: -23 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.97 AU - 3.63 AU

Year: 2283 Days

Day: 12.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.5

Radius: 12.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.47 AU - 5.97 AU

Year: 5209 Days

Day: 6.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,201,670 km

• M1: 160,369 km (0.119 R)
• M2: 562,189 km (0.097 R)
• M3: 1,018,014 km (0.06 R)
• M4: 1,569,431 km (0.038 R)
• M5: 2,103,047 km (0.061 R)
• M6: 3,521,534 km (0.102 R)
• M7: 3,966,139 km (0.075 R)
• M8: 4,448,293 km (0.1 R)
• M9: 4,862,230 km (0.105 R)
• M10: 6,073,374 km (0.091 R)
• M11: 6,617,312 km (0.076 R)
• M12: 7,298,880 km (0.092 R)
• M13: 9,627,670 km (0.112 R)
• M14: 11,479,991 km (0.113 R)
• M15: 12,163,952 km (0.101 R)
• M16: 12,720,157 km (0.088 R)
• M17: 14,887,382 km (0.082 R)
• M18: 15,938,905 km (0.091 R)
• M19: 16,421,957 km (0.088 R)
• M20: 18,985,167 km (0.118 R)
• M21: 20,574,195 km (0.056 R)
• M22: 22,930,362 km (0.111 R)
• M23: 29,147,649 km (0.095 R)
• M24: 30,145,018 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.9

Radius: 8.7

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.84 AU - 6.28 AU

Year: 5681 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,201,670 km

• M1: 108,159 km (0.049 R)
• M2: 638,484 km (0.058 R)
• M3: 1,335,759 km (0.11 R)
• M4: 2,388,031 km (0.114 R)
• M5: 3,299,531 km (0.062 R)
• M6: 5,640,737 km (0.08 R)
• M7: 6,070,083 km (0.063 R)
• M8: 6,620,603 km (0.098 R)
• M9: 8,592,004 km (0.037 R)
• M10: 9,078,197 km (0.08 R)
• M11: 9,539,856 km (0.041 R)
• M12: 9,885,427 km (0.063 R)
• M13: 11,352,085 km (0.114 R)
• M14: 15,466,176 km (0.054 R)
• M15: 19,427,228 km (0.097 R)
• M16: 22,769,694 km (0.062 R)
• M17: 23,154,609 km (0.096 R)
• M18: 25,308,968 km (0.094 R)
• M19: 26,055,760 km (0.078 R)
• M20: 27,593,477 km (0.097 R)
• M21: 29,462,852 km (0.093 R)
• M22: 31,036,621 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 14.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.6 AU - 7.44 AU

Year: 6340 Days

Day: 9.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,201,670 km

• M1: 185,801 km (0.116 R)
• M2: 758,312 km (0.088 R)
• M3: 1,539,362 km (0.116 R)
• M4: 2,389,228 km (0.088 R)
• M5: 3,934,873 km (0.081 R)
• M6: 4,443,206 km (0.051 R)
• M7: 5,229,194 km (0.115 R)
• M8: 7,338,823 km (0.085 R)
• M9: 8,316,594 km (0.118 R)
• M10: 9,073,260 km (0.064 R)
• M11: 12,406,899 km (0.073 R)
• M12: 13,679,828 km (0.107 R)
• M13: 15,221,733 km (0.07 R)
• M14: 17,953,540 km (0.12 R)
• M15: 19,435,456 km (0.032 R)
• M16: 20,542,929 km (0.066 R)
• M17: 21,073,852 km (0.12 R)
• M18: 21,848,470 km (0.112 R)
• M19: 23,454,403 km (0.113 R)
• M20: 27,172,209 km (0.044 R)
• M21: 29,505,487 km (0.103 R)
• M22: 34,996,178 km (0.113 R)
• M23: 36,634,574 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.7

Radius: 8.6

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.44 AU - 8.48 AU

Year: 6992 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,201,670 km

• M1: 107,710 km (0.118 R)
• M2: 381,175 km (0.064 R)
• M3: 709,991 km (0.104 R)
• M4: 999,164 km (0.087 R)
• M5: 1,827,637 km (0.114 R)
• M6: 2,351,978 km (0.108 R)
• M7: 2,659,252 km (0.086 R)
• M8: 2,993,453 km (0.038 R)
• M9: 3,377,920 km (0.088 R)
• M10: 4,845,625 km (0.105 R)
• M11: 5,562,797 km (0.083 R)
• M12: 6,733,101 km (0.069 R)
• M13: 7,781,483 km (0.06 R)
• M14: 8,978,266 km (0.091 R)
• M15: 9,964,714 km (0.037 R)
• M16: 10,726,317 km (0.102 R)
• M17: 11,071,589 km (0.075 R)
• M18: 11,888,393 km (0.066 R)
• M19: 12,204,942 km (0.084 R)
• M20: 12,527,026 km (0.095 R)
• M21: 15,436,406 km (0.108 R)
• M22: 18,485,360 km (0.072 R)
• M23: 23,199,488 km (0.083 R)
• M24: 25,568,969 km (0.067 R)
• M25: 26,363,782 km (0.068 R)
• M26: 26,632,311 km (0.073 R)
• M27: 27,540,669 km (0.115 R)
• M28: 28,563,469 km (0.071 R)
• M29: 37,675,925 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.8

Radius: 3.3

Gravity: 83.45 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 10.89 AU - 15.01 AU

Year: 17746 Days

Day: 16.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 81 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,201,670 km

• M1: 40,990 km (0.088 R)
• M2: 202,855 km (0.062 R)
• M3: 357,090 km (0.106 R)
• M4: 570,267 km (0.087 R)
• M5: 943,663 km (0.092 R)
• M6: 1,305,541 km (0.045 R)
• M7: 1,444,667 km (0.111 R)
• M8: 2,001,919 km (0.116 R)
• M9: 2,166,327 km (0.12 R)
• M10: 2,738,987 km (0.116 R)
• M11: 3,377,770 km (0.094 R)
• M12: 4,618,086 km (0.072 R)
• M13: 6,703,929 km (0.048 R)
• M14: 9,802,251 km (0.115 R)
• M15: 13,089,814 km (0.081 R)
• M16: 15,330,790 km (0.111 R)
• M17: 16,959,013 km (0.12 R)
• M18: 18,698,836 km (0.115 R)
• M19: 20,746,083 km (0.046 R)
• M20: 24,302,772 km (0.09 R)
• M21: 27,424,880 km (0.047 R)
• M22: 29,445,199 km (0.1 R)
• M23: 33,116,780 km (0.091 R)
• M24: 34,315,358 km (0.091 R)
• M25: 38,228,838 km (0.083 R)
• M26: 39,399,292 km (0.089 R)
• M27: 42,119,729 km (0.089 R)
• M28: 46,266,133 km (0.081 R)
• M29: 49,634,928 km (0.088 R)
• M30: 49,807,564 km (0.073 R)
• M31: 50,327,716 km (0.07 R)
• M32: 50,676,578 km (0.071 R)
• M33: 54,436,870 km (0.087 R)
• M34: 55,916,991 km (0.091 R)
• M35: 59,929,356 km (0.116 R)
• M36: 69,164,780 km (0.1 R)
• M37: 73,109,527 km (0.105 R)
• M38: 75,137,027 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 11,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit