🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.85 AU - 1.23 AU

Year: 488 Days

Day: 42.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.75 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 12.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.07 AU - 2.85 AU

Year: 1776 Days

Day: 5.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,401,668 km

• M1: 155,432 km (0.118 R)
• M2: 940,372 km (0.081 R)
• M3: 1,408,763 km (0.106 R)
• M4: 2,321,310 km (0.072 R)
• M5: 3,111,486 km (0.112 R)
• M6: 3,513,456 km (0.084 R)
• M7: 4,127,704 km (0.064 R)
• M8: 5,289,182 km (0.108 R)
• M9: 5,683,971 km (0.084 R)
• M10: 6,074,870 km (0.117 R)
• M11: 6,483,721 km (0.053 R)
• M12: 7,277,188 km (0.117 R)
• M13: 8,307,619 km (0.074 R)
• M14: 8,903,916 km (0.11 R)
• M15: 10,148,869 km (0.067 R)
• M16: 10,657,502 km (0.101 R)
• M17: 11,762,731 km (0.112 R)
• M18: 12,248,326 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.6

Radius: 12.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.44 AU - 3.3 AU

Year: 2237 Days

Day: 6.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,401,668 km

• M1: 153,188 km (0.051 R)
• M2: 812,466 km (0.099 R)
• M3: 1,217,427 km (0.034 R)
• M4: 1,935,497 km (0.118 R)
• M5: 3,152,775 km (0.104 R)
• M6: 3,674,124 km (0.077 R)
• M7: 4,194,126 km (0.118 R)
• M8: 4,615,992 km (0.116 R)
• M9: 7,716,557 km (0.112 R)
• M10: 8,322,130 km (0.103 R)
• M11: 9,357,048 km (0.072 R)
• M12: 10,367,282 km (0.088 R)
• M13: 16,536,997 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.5

Radius: 14.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.66 AU - 8.1 AU

Year: 8304 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 74.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,401,668 km

• M1: 176,825 km (0.108 R)
• M2: 723,306 km (0.051 R)
• M3: 1,760,767 km (0.041 R)
• M4: 2,477,042 km (0.102 R)
• M5: 3,011,704 km (0.115 R)
• M6: 5,418,584 km (0.101 R)
• M7: 6,908,430 km (0.089 R)
• M8: 7,940,505 km (0.061 R)
• M9: 9,767,095 km (0.086 R)
• M10: 11,508,415 km (0.096 R)
• M11: 12,218,556 km (0.117 R)
• M12: 12,743,644 km (0.104 R)
• M13: 13,393,497 km (0.092 R)
• M14: 15,115,369 km (0.111 R)
• M15: 17,701,766 km (0.118 R)
• M16: 21,390,252 km (0.025 R)
• M17: 23,015,333 km (0.107 R)
• M18: 26,510,538 km (0.089 R)
• M19: 30,825,090 km (0.079 R)
• M20: 34,953,542 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.9

Radius: 4

Gravity: 41.06 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 9.35 AU - 13.63 AU

Year: 17923 Days

Day: 18.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,401,668 km

• M1: 49,816 km (0.114 R)
• M2: 284,984 km (0.057 R)
• M3: 423,212 km (0.059 R)
• M4: 1,191,846 km (0.083 R)
• M5: 1,436,888 km (0.119 R)
• M6: 1,802,804 km (0.07 R)
• M7: 2,333,428 km (0.096 R)
• M8: 2,788,953 km (0.12 R)
• M9: 3,383,305 km (0.078 R)
• M10: 4,120,673 km (0.055 R)
• M11: 4,888,260 km (0.045 R)
• M12: 5,475,731 km (0.111 R)
• M13: 6,658,003 km (0.102 R)
• M14: 8,866,367 km (0.087 R)
• M15: 9,962,769 km (0.076 R)
• M16: 13,161,321 km (0.078 R)
• M17: 19,995,401 km (0.06 R)
• M18: 20,360,869 km (0.031 R)
• M19: 25,954,483 km (0.045 R)
• M20: 28,867,602 km (0.056 R)
• M21: 30,402,626 km (0.062 R)
• M22: 31,251,444 km (0.083 R)
• M23: 34,151,100 km (0.044 R)
• M24: 36,541,823 km (0.047 R)
• M25: 39,469,154 km (0.106 R)
• M26: 41,357,379 km (0.103 R)
• M27: 43,457,433 km (0.089 R)
• M28: 45,156,416 km (0.118 R)
• M29: 47,868,626 km (0.077 R)
• M30: 48,851,185 km (0.096 R)
• M31: 51,366,224 km (0.12 R)
• M32: 64,645,877 km (0.119 R)
• M33: 68,084,085 km (0.097 R)
• M34: 68,910,464 km (0.115 R)
• M35: 69,534,586 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.2

Radius: 5.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 11.43 AU - 15.97 AU

Year: 23335 Days

Day: 24.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,401,668 km

• M1: 204,051 km (0.03 R)
• M2: 396,434 km (0.109 R)
• M3: 730,038 km (0.084 R)
• M4: 954,434 km (0.118 R)
• M5: 1,407,566 km (0.071 R)
• M6: 1,582,895 km (0.113 R)
• M7: 1,932,804 km (0.084 R)
• M8: 2,265,211 km (0.101 R)
• M9: 5,591,968 km (0.117 R)
• M10: 6,166,424 km (0.056 R)
• M11: 7,851,345 km (0.104 R)
• M12: 9,641,583 km (0.112 R)
• M13: 11,138,758 km (0.115 R)
• M14: 11,788,911 km (0.109 R)
• M15: 13,055,257 km (0.061 R)
• M16: 13,891,209 km (0.038 R)
• M17: 14,821,708 km (0.096 R)
• M18: 20,991,124 km (0.097 R)
• M19: 21,673,440 km (0.11 R)
• M20: 23,808,950 km (0.084 R)
• M21: 25,223,099 km (0.084 R)
• M22: 26,957,536 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.6

Radius: 6.5

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 12.88 AU - 17.42 AU

Year: 27136 Days

Day: 19.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,401,668 km

• M1: 80,932 km (0.059 R)
• M2: 446,699 km (0.118 R)
• M3: 655,538 km (0.082 R)
• M4: 1,153,549 km (0.11 R)
• M5: 1,426,864 km (0.065 R)
• M6: 1,819,409 km (0.062 R)
• M7: 2,872,578 km (0.11 R)
• M8: 3,529,911 km (0.083 R)
• M9: 4,179,166 km (0.07 R)
• M10: 4,716,222 km (0.114 R)
• M11: 5,138,388 km (0.107 R)
• M12: 6,058,564 km (0.105 R)
• M13: 7,534,946 km (0.099 R)
• M14: 8,888,806 km (0.095 R)
• M15: 14,381,442 km (0.104 R)
• M16: 15,268,258 km (0.109 R)
• M17: 16,105,557 km (0.052 R)
• M18: 17,962,964 km (0.098 R)
• M19: 20,255,402 km (0.119 R)
• M20: 21,887,664 km (0.108 R)
• M21: 24,723,890 km (0.106 R)
• M22: 32,320,620 km (0.086 R)
• M23: 35,402,486 km (0.095 R)
• M24: 36,865,852 km (0.112 R)
• M25: 39,756,681 km (0.082 R)
• M26: 44,454,802 km (0.072 R)
• M27: 46,849,864 km (0.038 R)
• M28: 48,078,960 km (0.076 R)
• M29: 50,053,652 km (0.086 R)
• M30: 58,292,456 km (0.117 R)
• M31: 60,743,168 km (0.037 R)
• M32: 63,474,676 km (0.11 R)
• M33: 73,326,294 km (0.047 R)
• M34: 74,981,894 km (0.098 R)
• M35: 75,459,410 km (0.094 R)
• M36: 78,859,470 km (0.054 R)
• M37: 83,123,608 km (0.061 R)
• M38: 88,866,820 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 17,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit