🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.1 AU - 1.44 AU

Year: 545 Days

Day: 28.6 Hours

Environment

Temp: -37 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.45 AU - 1.53 AU

Year: 693 Days

Day: 32.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.56 AU - 2.54 AU

Year: 1118 Days

Day: 15.9 Hours

Environment

Temp: -76 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.5

Radius: 13.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.61 AU - 7.91 AU

Year: 6693 Days

Day: 7.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 106,295,455 km

• M1: 170,392 km (0.108 R)
• M2: 662,270 km (0.101 R)
• M3: 1,123,779 km (0.04 R)
• M4: 1,701,825 km (0.109 R)
• M5: 3,722,893 km (0.116 R)
• M6: 4,408,799 km (0.117 R)
• M7: 5,533,775 km (0.082 R)
• M8: 6,329,187 km (0.085 R)
• M9: 7,759,043 km (0.114 R)
• M10: 8,267,377 km (0.086 R)
• M11: 9,050,522 km (0.117 R)
• M12: 9,972,942 km (0.073 R)
• M13: 12,794,059 km (0.117 R)
• M14: 17,332,409 km (0.104 R)
• M15: 20,473,217 km (0.099 R)
• M16: 23,811,942 km (0.077 R)
• M17: 26,785,050 km (0.106 R)
• M18: 28,223,433 km (0.112 R)
• M19: 29,429,492 km (0.052 R)
• M20: 31,845,198 km (0.055 R)
• M21: 33,561,534 km (0.064 R)
• M22: 34,704,462 km (0.115 R)
• M23: 35,232,543 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.2

Radius: 8

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 9.2 AU - 14.44 AU

Year: 15475 Days

Day: 23.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 106,295,455 km

• M1: 108,309 km (0.09 R)
• M2: 930,200 km (0.059 R)
• M3: 1,574,667 km (0.03 R)
• M4: 2,106,188 km (0.116 R)
• M5: 2,684,235 km (0.105 R)
• M6: 5,785,847 km (0.101 R)
• M7: 8,772,868 km (0.104 R)
• M8: 9,180,971 km (0.113 R)
• M9: 10,425,176 km (0.052 R)
• M10: 10,825,201 km (0.119 R)
• M11: 13,578,400 km (0.116 R)
• M12: 17,157,829 km (0.086 R)
• M13: 18,040,007 km (0.095 R)
• M14: 20,957,914 km (0.074 R)
• M15: 23,781,424 km (0.109 R)
• M16: 26,531,033 km (0.103 R)
• M17: 29,146,901 km (0.105 R)
• M18: 32,289,803 km (0.048 R)
• M19: 35,139,493 km (0.102 R)
• M20: 36,690,823 km (0.063 R)
• M21: 45,742,691 km (0.076 R)
• M22: 48,691,564 km (0.025 R)
• M23: 52,594,423 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.3

Radius: 7

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 14.36 AU - 17.06 AU

Year: 23712 Days

Day: 19.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 106,295,455 km

• M1: 87,515 km (0.117 R)
• M2: 444,605 km (0.086 R)
• M3: 854,204 km (0.091 R)
• M4: 1,161,777 km (0.06 R)
• M5: 3,302,373 km (0.084 R)
• M6: 4,128,901 km (0.118 R)
• M7: 6,387,679 km (0.101 R)
• M8: 6,809,396 km (0.052 R)
• M9: 7,850,148 km (0.114 R)
• M10: 11,298,678 km (0.072 R)
• M11: 12,620,076 km (0.105 R)
• M12: 18,856,213 km (0.053 R)
• M13: 25,809,971 km (0.096 R)
• M14: 26,555,118 km (0.092 R)
• M15: 27,865,446 km (0.1 R)
• M16: 30,378,989 km (0.095 R)
• M17: 36,115,020 km (0.076 R)
• M18: 45,545,820 km (0.116 R)
• M19: 48,376,361 km (0.09 R)
• M20: 53,009,108 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.1

Radius: 3.2

Gravity: 32.53 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 12.45 AU - 19.67 AU

Year: 24508 Days

Day: 24.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,295,455 km

• M1: 41,439 km (0.115 R)
• M2: 152,291 km (0.115 R)
• M3: 289,921 km (0.058 R)
• M4: 432,487 km (0.106 R)
• M5: 655,987 km (0.049 R)
• M6: 1,328,579 km (0.03 R)
• M7: 1,641,687 km (0.094 R)
• M8: 2,001,919 km (0.063 R)
• M9: 2,159,894 km (0.101 R)
• M10: 2,523,118 km (0.081 R)
• M11: 2,707,572 km (0.032 R)
• M12: 3,797,392 km (0.097 R)
• M13: 4,555,255 km (0.094 R)
• M14: 5,149,608 km (0.066 R)
• M15: 5,873,063 km (0.087 R)
• M16: 6,238,381 km (0.109 R)
• M17: 7,149,432 km (0.098 R)
• M18: 9,892,309 km (0.1 R)
• M19: 12,130,143 km (0.081 R)
• M20: 14,032,430 km (0.113 R)
• M21: 18,075,163 km (0.11 R)
• M22: 18,329,629 km (0.119 R)
• M23: 19,194,903 km (0.084 R)
• M24: 23,932,817 km (0.09 R)
• M25: 29,044,726 km (0.092 R)
• M26: 32,912,728 km (0.118 R)
• M27: 34,838,352 km (0.029 R)
• M28: 41,356,182 km (0.078 R)
• M29: 45,444,542 km (0.069 R)
• M30: 48,641,000 km (0.085 R)
• M31: 49,133,027 km (0.115 R)
• M32: 51,303,543 km (0.115 R)
• M33: 57,098,366 km (0.089 R)
• M34: 60,247,102 km (0.089 R)
• M35: 67,292,713 km (0.061 R)
• M36: 68,312,820 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744

Radius: 6.8

Gravity: 16.09 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 15.86 AU - 22.26 AU

Year: 31687 Days

Day: 20.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,295,455 km

• M1: 84,523 km (0.104 R)
• M2: 480,060 km (0.087 R)
• M3: 1,262,456 km (0.114 R)
• M4: 1,804,599 km (0.119 R)
• M5: 2,016,729 km (0.039 R)
• M6: 2,569,194 km (0.109 R)
• M7: 3,832,548 km (0.113 R)
• M8: 4,408,200 km (0.091 R)
• M9: 5,552,175 km (0.112 R)
• M10: 6,098,507 km (0.046 R)
• M11: 6,984,575 km (0.104 R)
• M12: 10,288,444 km (0.037 R)
• M13: 11,324,260 km (0.094 R)
• M14: 11,904,251 km (0.093 R)
• M15: 15,453,610 km (0.081 R)
• M16: 16,808,966 km (0.086 R)
• M17: 17,277,806 km (0.056 R)
• M18: 17,851,963 km (0.108 R)
• M19: 21,130,849 km (0.04 R)
• M20: 22,009,138 km (0.066 R)
• M21: 28,320,523 km (0.097 R)
• M22: 33,924,608 km (0.108 R)
• M23: 43,473,740 km (0.093 R)
• M24: 44,002,119 km (0.059 R)
• M25: 47,262,904 km (0.115 R)
• M26: 48,384,739 km (0.093 R)
• M27: 54,873,397 km (0.094 R)
• M28: 56,529,445 km (0.039 R)
• M29: 60,814,526 km (0.077 R)
• M30: 63,261,349 km (0.115 R)
• M31: 64,394,852 km (0.027 R)
• M32: 81,448,561 km (0.109 R)
• M33: 86,068,442 km (0.05 R)
• M34: 99,743,632 km (0.117 R)
• M35: 100,662,612 km (0.04 R)
• M36: 101,587,276 km (0.072 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 20,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit