🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.06 AU - 1.4 AU

Year: 484 Days

Day: 19.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.6 AU - 5.92 AU

Year: 3684 Days

Day: 35.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,855,676 km

• M1: 49,068 km (0.117 R)
• M2: 2,068,490 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.8

Radius: 9.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.27 AU - 8.24 AU

Year: 6221 Days

Day: 13.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,855,676 km

• M1: 113,096 km (0.069 R)
• M2: 554,559 km (0.057 R)
• M3: 844,330 km (0.108 R)
• M4: 1,129,614 km (0.057 R)
• M5: 2,982,682 km (0.09 R)
• M6: 4,063,976 km (0.104 R)
• M7: 5,001,057 km (0.099 R)
• M8: 5,961,924 km (0.085 R)
• M9: 6,396,805 km (0.102 R)
• M10: 6,852,630 km (0.109 R)
• M11: 7,494,105 km (0.079 R)
• M12: 7,932,128 km (0.112 R)
• M13: 9,426,461 km (0.114 R)
• M14: 11,492,258 km (0.107 R)
• M15: 12,166,795 km (0.075 R)
• M16: 15,131,077 km (0.119 R)
• M17: 15,451,665 km (0.079 R)
• M18: 17,706,853 km (0.105 R)
• M19: 18,545,349 km (0.039 R)
• M20: 23,852,782 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.2

Radius: 13.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.26 AU - 11.62 AU

Year: 11118 Days

Day: 5.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 57.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,855,676 km

• M1: 171,290 km (0.114 R)
• M2: 631,602 km (0.054 R)
• M3: 1,138,739 km (0.115 R)
• M4: 1,664,276 km (0.108 R)
• M5: 2,248,007 km (0.117 R)
• M6: 3,960,903 km (0.1 R)
• M7: 5,738,574 km (0.057 R)
• M8: 8,208,435 km (0.116 R)
• M9: 8,812,212 km (0.09 R)
• M10: 10,353,070 km (0.097 R)
• M11: 11,161,946 km (0.032 R)
• M12: 16,655,180 km (0.074 R)
• M13: 20,917,522 km (0.071 R)
• M14: 23,728,017 km (0.065 R)
• M15: 31,317,417 km (0.107 R)
• M16: 42,005,137 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.6

Radius: 12.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.75 AU - 11.19 AU

Year: 12019 Days

Day: 6.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,855,676 km

• M1: 184,155 km (0.073 R)
• M2: 748,887 km (0.116 R)
• M3: 1,408,614 km (0.068 R)
• M4: 4,876,442 km (0.071 R)
• M5: 5,555,915 km (0.062 R)
• M6: 6,896,312 km (0.037 R)
• M7: 7,664,797 km (0.1 R)
• M8: 8,825,975 km (0.046 R)
• M9: 11,321,716 km (0.028 R)
• M10: 12,330,455 km (0.115 R)
• M11: 12,762,942 km (0.07 R)
• M12: 13,593,061 km (0.104 R)
• M13: 16,896,930 km (0.076 R)
• M14: 23,316,474 km (0.083 R)
• M15: 32,938,758 km (0.118 R)
• M16: 34,499,513 km (0.105 R)
• M17: 39,343,791 km (0.03 R)
• M18: 40,554,188 km (0.096 R)
• M19: 42,346,220 km (0.093 R)
• M20: 48,957,399 km (0.1 R)
• M21: 53,727,926 km (0.095 R)
• M22: 54,717,964 km (0.12 R)
• M23: 56,056,716 km (0.092 R)

Asteroid Belt

Center: 11.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.2

Radius: 4.8

Gravity: 41.46 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 10.22 AU - 15.86 AU

Year: 16705 Days

Day: 23.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,855,676 km

• M1: 59,690 km (0.096 R)
• M2: 214,075 km (0.068 R)
• M3: 689,945 km (0.081 R)
• M4: 906,413 km (0.05 R)
• M5: 1,127,370 km (0.104 R)
• M6: 1,749,098 km (0.029 R)
• M7: 2,013,438 km (0.111 R)
• M8: 2,218,237 km (0.03 R)
• M9: 2,766,962 km (0.108 R)
• M10: 3,020,680 km (0.095 R)
• M11: 3,234,605 km (0.044 R)
• M12: 3,516,298 km (0.1 R)
• M13: 4,160,915 km (0.117 R)
• M14: 6,389,923 km (0.069 R)
• M15: 7,062,815 km (0.075 R)
• M16: 7,488,570 km (0.091 R)
• M17: 11,466,826 km (0.112 R)
• M18: 15,610,538 km (0.094 R)
• M19: 17,327,921 km (0.06 R)
• M20: 19,531,797 km (0.038 R)
• M21: 20,463,194 km (0.117 R)
• M22: 22,515,228 km (0.083 R)
• M23: 25,459,014 km (0.114 R)
• M24: 26,682,426 km (0.03 R)
• M25: 33,391,442 km (0.118 R)
• M26: 35,126,627 km (0.091 R)
• M27: 42,207,543 km (0.07 R)
• M28: 43,134,900 km (0.025 R)
• M29: 48,817,226 km (0.108 R)
• M30: 57,770,359 km (0.071 R)
• M31: 65,674,662 km (0.076 R)
• M32: 70,314,590 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.4

Radius: 7.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 10.07 AU - 16.11 AU

Year: 16801 Days

Day: 23 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,855,676 km

• M1: 88,263 km (0.057 R)
• M2: 1,141,133 km (0.067 R)
• M3: 1,679,386 km (0.062 R)
• M4: 5,127,467 km (0.06 R)
• M5: 7,593,887 km (0.102 R)
• M6: 9,725,208 km (0.107 R)
• M7: 10,708,365 km (0.052 R)
• M8: 16,442,452 km (0.054 R)
• M9: 23,773,794 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.7

Radius: 6.1

Gravity: 15.85 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 10.85 AU - 16.31 AU

Year: 17754 Days

Day: 24.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,855,676 km

• M1: 75,846 km (0.048 R)
• M2: 386,860 km (0.111 R)
• M3: 909,705 km (0.115 R)
• M4: 1,290,730 km (0.033 R)
• M5: 1,970,653 km (0.106 R)
• M6: 2,564,108 km (0.063 R)
• M7: 2,818,125 km (0.091 R)
• M8: 3,013,350 km (0.043 R)
• M9: 3,403,950 km (0.114 R)
• M10: 4,317,843 km (0.12 R)
• M11: 7,009,109 km (0.115 R)
• M12: 7,788,963 km (0.093 R)
• M13: 8,323,626 km (0.051 R)
• M14: 17,499,809 km (0.076 R)
• M15: 18,415,199 km (0.107 R)
• M16: 20,705,243 km (0.115 R)
• M17: 21,540,149 km (0.067 R)
• M18: 22,109,219 km (0.111 R)
• M19: 24,179,653 km (0.104 R)
• M20: 25,105,365 km (0.09 R)
• M21: 26,591,770 km (0.105 R)
• M22: 27,246,559 km (0.117 R)
• M23: 27,800,221 km (0.117 R)
• M24: 33,503,640 km (0.072 R)
• M25: 34,011,375 km (0.099 R)
• M26: 34,912,253 km (0.118 R)
• M27: 35,434,051 km (0.07 R)
• M28: 37,301,780 km (0.062 R)
• M29: 45,120,663 km (0.114 R)
• M30: 49,410,382 km (0.096 R)
• M31: 49,738,450 km (0.119 R)
• M32: 50,068,163 km (0.081 R)
• M33: 52,076,515 km (0.066 R)
• M34: 53,617,522 km (0.114 R)
• M35: 57,331,140 km (0.032 R)
• M36: 65,265,811 km (0.091 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 18,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit