🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.47 AU - 0.57 AU

Year: 238 Days

Day: 25.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.46 AU - 0.76 AU

Year: 303 Days

Day: 42.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 8.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.1 AU - 1.32 AU

Year: 846 Days

Day: 14.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,577,740 km

• M1: 109,506 km (0.107 R)
• M2: 419,921 km (0.114 R)
• M3: 812,616 km (0.079 R)
• M4: 1,238,521 km (0.1 R)
• M5: 1,633,908 km (0.092 R)
• M6: 1,996,533 km (0.094 R)
• M7: 2,330,436 km (0.115 R)
• M8: 2,661,645 km (0.11 R)
• M9: 2,991,957 km (0.031 R)
• M10: 3,431,476 km (0.108 R)
• M11: 4,124,114 km (0.093 R)
• M12: 4,412,090 km (0.084 R)
• M13: 5,262,404 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.4

Radius: 9.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.58 AU - 2.36 AU

Year: 1758 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,577,740 km

• M1: 121,922 km (0.089 R)
• M2: 710,440 km (0.092 R)
• M3: 1,031,926 km (0.05 R)
• M4: 1,379,143 km (0.076 R)
• M5: 1,804,898 km (0.073 R)
• M6: 2,265,211 km (0.093 R)
• M7: 3,037,734 km (0.092 R)
• M8: 3,736,656 km (0.108 R)
• M9: 4,054,102 km (0.107 R)
• M10: 4,795,659 km (0.034 R)
• M11: 6,125,883 km (0.104 R)
• M12: 6,743,573 km (0.092 R)
• M13: 7,639,215 km (0.106 R)
• M14: 8,508,528 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.3

Radius: 11.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.18 AU - 2.6 AU

Year: 2349 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,577,740 km

• M1: 139,575 km (0.089 R)
• M2: 586,124 km (0.086 R)
• M3: 1,045,689 km (0.114 R)
• M4: 1,539,811 km (0.065 R)
• M5: 2,381,897 km (0.088 R)
• M6: 2,852,981 km (0.082 R)
• M7: 3,301,176 km (0.114 R)
• M8: 3,946,392 km (0.118 R)
• M9: 5,780,163 km (0.086 R)
• M10: 6,501,823 km (0.116 R)
• M11: 7,224,829 km (0.092 R)
• M12: 7,576,085 km (0.055 R)
• M13: 8,699,415 km (0.117 R)
• M14: 10,002,114 km (0.098 R)
• M15: 11,470,118 km (0.094 R)
• M16: 13,380,482 km (0.042 R)
• M17: 13,956,883 km (0.074 R)
• M18: 16,229,424 km (0.098 R)
• M19: 17,453,584 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.6

Radius: 9.7

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.86 AU - 3.14 AU

Year: 3304 Days

Day: 12.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,577,740 km

• M1: 120,725 km (0.113 R)
• M2: 441,912 km (0.105 R)
• M3: 879,635 km (0.071 R)
• M4: 1,223,112 km (0.111 R)
• M5: 1,555,818 km (0.115 R)
• M6: 2,350,332 km (0.062 R)
• M7: 2,889,632 km (0.107 R)
• M8: 3,769,268 km (0.088 R)
• M9: 4,238,108 km (0.109 R)
• M10: 5,397,042 km (0.116 R)
• M11: 5,744,409 km (0.098 R)
• M12: 6,454,999 km (0.068 R)
• M13: 7,254,898 km (0.096 R)
• M14: 8,223,395 km (0.097 R)
• M15: 9,051,120 km (0.087 R)
• M16: 11,341,015 km (0.111 R)
• M17: 12,736,314 km (0.09 R)
• M18: 13,646,318 km (0.091 R)
• M19: 16,028,065 km (0.034 R)
• M20: 18,856,363 km (0.098 R)
• M21: 21,333,105 km (0.081 R)
• M22: 23,239,880 km (0.064 R)
• M23: 23,804,761 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.4

Radius: 5.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.76 AU - 9.58 AU

Year: 14848 Days

Day: 23.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,577,740 km

• M1: 72,106 km (0.118 R)
• M2: 395,238 km (0.091 R)
• M3: 1,711,998 km (0.104 R)
• M4: 2,233,945 km (0.089 R)
• M5: 2,795,386 km (0.074 R)
• M6: 3,174,916 km (0.082 R)
• M7: 3,493,260 km (0.075 R)
• M8: 3,908,244 km (0.063 R)
• M9: 5,074,509 km (0.087 R)
• M10: 6,175,251 km (0.095 R)
• M11: 7,156,313 km (0.072 R)
• M12: 8,882,673 km (0.114 R)
• M13: 9,607,774 km (0.105 R)
• M14: 9,842,194 km (0.081 R)
• M15: 12,019,291 km (0.099 R)
• M16: 15,246,117 km (0.034 R)
• M17: 16,019,688 km (0.102 R)
• M18: 16,616,883 km (0.074 R)
• M19: 18,787,398 km (0.079 R)
• M20: 19,302,613 km (0.113 R)
• M21: 20,670,237 km (0.074 R)
• M22: 21,617,042 km (0.029 R)
• M23: 21,858,343 km (0.03 R)
• M24: 22,924,228 km (0.07 R)
• M25: 23,259,028 km (0.091 R)
• M26: 26,881,391 km (0.049 R)
• M27: 27,818,622 km (0.069 R)
• M28: 29,461,805 km (0.107 R)
• M29: 31,579,512 km (0.037 R)
• M30: 32,728,274 km (0.089 R)
• M31: 34,667,811 km (0.084 R)
• M32: 38,774,123 km (0.059 R)
• M33: 40,698,849 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.3

Radius: 7.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.01 AU - 10.85 AU

Year: 21417 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,577,740 km

• M1: 99,034 km (0.115 R)
• M2: 373,995 km (0.044 R)
• M3: 957,127 km (0.12 R)
• M4: 1,494,483 km (0.099 R)
• M5: 1,954,795 km (0.052 R)
• M6: 2,865,248 km (0.097 R)
• M7: 3,414,721 km (0.104 R)
• M8: 4,789,077 km (0.108 R)
• M9: 5,061,195 km (0.103 R)
• M10: 7,489,617 km (0.069 R)
• M11: 9,661,479 km (0.065 R)
• M12: 10,775,235 km (0.059 R)
• M13: 11,972,168 km (0.041 R)
• M14: 12,347,958 km (0.102 R)
• M15: 17,095,147 km (0.073 R)
• M16: 18,385,878 km (0.053 R)
• M17: 25,826,277 km (0.083 R)
• M18: 28,842,320 km (0.118 R)
• M19: 34,293,666 km (0.072 R)
• M20: 35,821,061 km (0.102 R)
• M21: 36,209,865 km (0.088 R)
• M22: 41,523,881 km (0.097 R)
• M23: 42,384,966 km (0.064 R)
• M24: 44,889,534 km (0.067 R)
• M25: 46,101,426 km (0.049 R)
• M26: 48,117,258 km (0.054 R)
• M27: 53,159,903 km (0.099 R)
• M28: 54,345,466 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 16,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit