🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.5 AU - 0.78 AU

Year: 326 Days

Day: 43.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 8.3

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.62 AU - 0.78 AU

Year: 372 Days

Day: 6.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,397,423 km

• M1: 103,671 km (0.093 R)
• M2: 384,915 km (0.101 R)
• M3: 846,874 km (0.101 R)
• M4: 1,413,700 km (0.088 R)
• M5: 1,729,651 km (0.06 R)
• M6: 2,293,186 km (0.117 R)
• M7: 3,570,602 km (0.09 R)
• M8: 4,569,168 km (0.086 R)
• M9: 5,379,839 km (0.103 R)
• M10: 5,709,552 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.3

Radius: 9.5

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.82 AU - 1.28 AU

Year: 684 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,397,423 km

• M1: 118,182 km (0.066 R)
• M2: 535,560 km (0.064 R)
• M3: 1,067,082 km (0.113 R)
• M4: 1,428,061 km (0.091 R)
• M5: 1,747,602 km (0.071 R)
• M6: 2,115,314 km (0.111 R)
• M7: 2,424,682 km (0.103 R)
• M8: 2,788,205 km (0.074 R)
• M9: 3,240,739 km (0.081 R)
• M10: 3,654,826 km (0.067 R)
• M11: 4,522,493 km (0.116 R)
• M12: 5,483,660 km (0.034 R)
• M13: 5,972,246 km (0.087 R)
• M14: 6,618,359 km (0.063 R)
• M15: 7,426,188 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 14.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.44 AU - 2.96 AU

Year: 2821 Days

Day: 14.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,397,423 km

• M1: 184,604 km (0.076 R)
• M2: 646,263 km (0.112 R)
• M3: 1,158,037 km (0.071 R)
• M4: 1,963,472 km (0.068 R)
• M5: 2,553,785 km (0.097 R)
• M6: 3,689,383 km (0.099 R)
• M7: 4,210,881 km (0.111 R)
• M8: 4,822,736 km (0.067 R)
• M9: 6,890,777 km (0.107 R)
• M10: 7,573,691 km (0.079 R)
• M11: 8,361,623 km (0.094 R)
• M12: 8,822,684 km (0.082 R)
• M13: 9,431,099 km (0.095 R)
• M14: 10,205,118 km (0.072 R)
• M15: 10,840,011 km (0.084 R)
• M16: 13,944,466 km (0.104 R)
• M17: 14,594,918 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.1

Radius: 15

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.12 AU - 4.08 AU

Year: 4343 Days

Day: 13 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,397,423 km

• M1: 186,549 km (0.041 R)
• M2: 787,633 km (0.117 R)
• M3: 1,779,018 km (0.086 R)
• M4: 2,537,629 km (0.104 R)
• M5: 3,321,821 km (0.092 R)
• M6: 4,098,832 km (0.105 R)
• M7: 4,968,145 km (0.098 R)
• M8: 5,633,108 km (0.092 R)
• M9: 6,420,292 km (0.046 R)
• M10: 7,882,312 km (0.103 R)
• M11: 8,365,513 km (0.066 R)
• M12: 12,079,579 km (0.104 R)
• M13: 12,774,162 km (0.028 R)
• M14: 13,600,541 km (0.081 R)
• M15: 17,516,115 km (0.117 R)
• M16: 20,003,778 km (0.036 R)
• M17: 21,763,797 km (0.085 R)
• M18: 25,029,369 km (0.076 R)
• M19: 25,833,308 km (0.071 R)
• M20: 28,522,031 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.8

Radius: 13.1

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.48 AU - 5 AU

Year: 5551 Days

Day: 11.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,397,423 km

• M1: 164,258 km (0.069 R)
• M2: 759,808 km (0.027 R)
• M3: 1,396,945 km (0.111 R)
• M4: 1,815,221 km (0.049 R)
• M5: 2,247,110 km (0.106 R)
• M6: 3,177,608 km (0.093 R)
• M7: 3,792,904 km (0.114 R)
• M8: 4,720,411 km (0.102 R)
• M9: 5,212,738 km (0.119 R)
• M10: 6,157,299 km (0.025 R)
• M11: 7,244,726 km (0.042 R)
• M12: 8,706,895 km (0.119 R)
• M13: 10,480,079 km (0.075 R)
• M14: 11,715,159 km (0.111 R)
• M15: 12,208,383 km (0.042 R)
• M16: 12,715,221 km (0.066 R)
• M17: 13,332,461 km (0.101 R)
• M18: 15,840,470 km (0.054 R)
• M19: 17,349,463 km (0.1 R)
• M20: 20,458,107 km (0.088 R)
• M21: 21,505,442 km (0.112 R)
• M22: 22,110,116 km (0.12 R)
• M23: 22,588,231 km (0.047 R)
• M24: 23,212,952 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.5

Radius: 5.7

Gravity: 23.93 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.62 AU - 9.16 AU

Year: 14091 Days

Day: 15.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 38,397,423 km

• M1: 70,909 km (0.059 R)
• M2: 262,245 km (0.113 R)
• M3: 522,246 km (0.12 R)
• M4: 1,028,336 km (0.117 R)
• M5: 1,239,119 km (0.075 R)
• M6: 1,508,844 km (0.118 R)
• M7: 1,959,134 km (0.105 R)
• M8: 2,166,626 km (0.059 R)
• M9: 2,367,985 km (0.099 R)
• M10: 2,832,187 km (0.082 R)
• M11: 3,381,211 km (0.064 R)
• M12: 3,737,553 km (0.026 R)
• M13: 4,688,547 km (0.072 R)
• M14: 5,528,389 km (0.109 R)
• M15: 7,100,364 km (0.052 R)
• M16: 7,964,740 km (0.106 R)
• M17: 9,206,403 km (0.115 R)
• M18: 9,900,686 km (0.096 R)
• M19: 11,696,160 km (0.099 R)
• M20: 11,880,764 km (0.085 R)
• M21: 12,509,823 km (0.04 R)
• M22: 13,427,606 km (0.085 R)
• M23: 17,873,206 km (0.063 R)
• M24: 18,950,909 km (0.108 R)
• M25: 21,510,229 km (0.069 R)
• M26: 22,538,415 km (0.092 R)
• M27: 29,517,904 km (0.097 R)
• M28: 31,850,883 km (0.105 R)
• M29: 37,410,239 km (0.11 R)
• M30: 45,680,757 km (0.076 R)
• M31: 48,792,991 km (0.119 R)
• M32: 52,878,359 km (0.045 R)
• M33: 53,552,447 km (0.079 R)
• M34: 54,745,939 km (0.111 R)
• M35: 57,896,171 km (0.09 R)
• M36: 59,153,242 km (0.041 R)
• M37: 60,245,007 km (0.047 R)
• M38: 62,844,719 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.7

Radius: 5.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.44 AU - 11.22 AU

Year: 19596 Days

Day: 20.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,397,423 km

• M1: 71,508 km (0.096 R)
• M2: 337,942 km (0.105 R)
• M3: 531,222 km (0.115 R)
• M4: 921,224 km (0.098 R)
• M5: 1,338,602 km (0.11 R)
• M6: 1,550,881 km (0.069 R)
• M7: 2,091,977 km (0.107 R)
• M8: 2,616,916 km (0.061 R)
• M9: 3,160,853 km (0.097 R)
• M10: 3,874,884 km (0.059 R)
• M11: 4,230,478 km (0.03 R)
• M12: 4,579,939 km (0.093 R)
• M13: 8,225,789 km (0.093 R)
• M14: 14,736,737 km (0.059 R)
• M15: 22,625,332 km (0.09 R)
• M16: 27,547,849 km (0.073 R)
• M17: 33,768,279 km (0.103 R)
• M18: 33,979,810 km (0.074 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 11,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit