🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.58 AU - 0.68 AU

Year: 318 Days

Day: 21.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,512,534 km

• M1: 252,820 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.5

Radius: 8.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.96 AU - 1.08 AU

Year: 655 Days

Day: 11.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,512,534 km

• M1: 105,766 km (0.068 R)
• M2: 398,379 km (0.104 R)
• M3: 675,584 km (0.032 R)
• M4: 966,103 km (0.082 R)
• M5: 1,298,659 km (0.097 R)
• M6: 1,692,850 km (0.111 R)
• M7: 2,037,523 km (0.064 R)
• M8: 2,514,740 km (0.066 R)
• M9: 2,795,835 km (0.106 R)
• M10: 3,617,426 km (0.077 R)
• M11: 4,084,471 km (0.109 R)
• M12: 4,532,965 km (0.106 R)
• M13: 5,029,480 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.3

Radius: 13.3

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.9 AU - 1.28 AU

Year: 724 Days

Day: 7.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,512,534 km

• M1: 166,951 km (0.058 R)
• M2: 716,723 km (0.041 R)
• M3: 1,312,721 km (0.071 R)
• M4: 1,757,177 km (0.102 R)
• M5: 2,334,774 km (0.063 R)
• M6: 2,816,629 km (0.095 R)
• M7: 6,803,412 km (0.057 R)
• M8: 7,821,874 km (0.112 R)
• M9: 8,469,932 km (0.101 R)
• M10: 9,126,667 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 14.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.14 AU - 1.76 AU

Year: 1110 Days

Day: 8.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,512,534 km

• M1: 179,966 km (0.108 R)
• M2: 694,433 km (0.111 R)
• M3: 1,327,532 km (0.118 R)
• M4: 2,423,037 km (0.044 R)
• M5: 3,634,929 km (0.089 R)
• M6: 5,089,768 km (0.103 R)
• M7: 5,858,402 km (0.056 R)
• M8: 7,603,761 km (0.098 R)
• M9: 8,070,955 km (0.09 R)
• M10: 8,874,594 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.9

Radius: 8.6

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.67 AU - 2.43 AU

Year: 1866 Days

Day: 9.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,512,534 km

• M1: 108,458 km (0.116 R)
• M2: 420,071 km (0.068 R)
• M3: 732,282 km (0.03 R)
• M4: 1,219,671 km (0.096 R)
• M5: 1,499,569 km (0.118 R)
• M6: 2,119,652 km (0.113 R)
• M7: 2,557,076 km (0.115 R)
• M8: 3,374,629 km (0.093 R)
• M9: 4,297,348 km (0.111 R)
• M10: 4,764,842 km (0.087 R)
• M11: 5,288,285 km (0.096 R)
• M12: 5,996,182 km (0.104 R)
• M13: 6,296,425 km (0.118 R)
• M14: 6,792,342 km (0.032 R)
• M15: 7,118,914 km (0.087 R)
• M16: 9,138,784 km (0.064 R)
• M17: 9,436,484 km (0.076 R)
• M18: 10,584,049 km (0.109 R)
• M19: 11,744,330 km (0.093 R)
• M20: 12,375,484 km (0.096 R)
• M21: 12,699,363 km (0.073 R)
• M22: 15,922,150 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 14.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.95 AU - 2.97 AU

Year: 2453 Days

Day: 13 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,512,534 km

• M1: 189,989 km (0.075 R)
• M2: 862,133 km (0.077 R)
• M3: 1,387,819 km (0.093 R)
• M4: 1,853,667 km (0.069 R)
• M5: 2,672,566 km (0.101 R)
• M6: 3,287,114 km (0.115 R)
• M7: 5,128,065 km (0.081 R)
• M8: 5,617,250 km (0.098 R)
• M9: 6,662,192 km (0.117 R)
• M10: 7,428,432 km (0.088 R)
• M11: 9,101,983 km (0.06 R)
• M12: 10,046,544 km (0.091 R)
• M13: 11,176,158 km (0.032 R)
• M14: 12,302,480 km (0.066 R)
• M15: 14,490,050 km (0.032 R)
• M16: 15,273,943 km (0.082 R)
• M17: 17,033,363 km (0.084 R)
• M18: 19,156,007 km (0.109 R)
• M19: 19,921,200 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 12.2

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.18 AU - 3.6 AU

Year: 3124 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,512,534 km

• M1: 152,141 km (0.12 R)
• M2: 545,434 km (0.081 R)
• M3: 959,072 km (0.116 R)
• M4: 1,525,749 km (0.074 R)
• M5: 2,256,983 km (0.08 R)
• M6: 2,866,146 km (0.064 R)
• M7: 3,655,723 km (0.104 R)
• M8: 4,415,381 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.4

Radius: 12.4

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.99 AU - 4.57 AU

Year: 5630 Days

Day: 14.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,512,534 km

• M1: 154,235 km (0.087 R)
• M2: 559,945 km (0.074 R)
• M3: 1,352,664 km (0.117 R)
• M4: 1,806,394 km (0.061 R)
• M5: 2,274,037 km (0.076 R)
• M6: 2,788,804 km (0.072 R)
• M7: 3,536,793 km (0.073 R)
• M8: 4,055,897 km (0.11 R)
• M9: 4,625,417 km (0.095 R)
• M10: 5,273,923 km (0.079 R)
• M11: 5,675,145 km (0.116 R)
• M12: 6,479,084 km (0.098 R)
• M13: 6,971,710 km (0.066 R)
• M14: 7,723,738 km (0.087 R)
• M15: 8,349,356 km (0.085 R)
• M16: 9,008,634 km (0.119 R)
• M17: 10,598,112 km (0.11 R)
• M18: 11,726,977 km (0.082 R)
• M19: 12,982,552 km (0.089 R)
• M20: 13,371,207 km (0.105 R)
• M21: 16,370,345 km (0.084 R)
• M22: 18,358,651 km (0.065 R)
• M23: 24,538,988 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.1

Radius: 4.6

Gravity: 32.28 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.16 AU - 8.18 AU

Year: 13506 Days

Day: 23.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,512,534 km

• M1: 57,595 km (0.041 R)
• M2: 246,687 km (0.086 R)
• M3: 392,395 km (0.095 R)
• M4: 2,542,117 km (0.087 R)
• M5: 2,784,465 km (0.065 R)
• M6: 7,190,122 km (0.087 R)
• M7: 7,496,499 km (0.094 R)
• M8: 7,995,258 km (0.099 R)
• M9: 10,544,406 km (0.089 R)
• M10: 10,769,102 km (0.062 R)
• M11: 12,937,822 km (0.119 R)
• M12: 13,720,818 km (0.069 R)
• M13: 18,928,319 km (0.098 R)
• M14: 20,540,087 km (0.036 R)
• M15: 27,057,168 km (0.049 R)
• M16: 31,818,270 km (0.043 R)
• M17: 34,952,047 km (0.081 R)
• M18: 36,465,229 km (0.086 R)
• M19: 41,405,399 km (0.088 R)
• M20: 42,529,179 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 19,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit