🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.8 AU - 1.08 AU

Year: 338 Days

Day: 17.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 2.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.19 AU - 1.71 AU

Year: 648 Days

Day: 15 Hours

Environment

Temp: -29 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.8

Radius: 10.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.18 AU - 5.94 AU

Year: 4221 Days

Day: 12.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,317,079 km

• M1: 128,804 km (0.099 R)
• M2: 548,127 km (0.101 R)
• M3: 2,307,398 km (0.097 R)
• M4: 2,685,581 km (0.111 R)
• M5: 3,550,406 km (0.111 R)
• M6: 3,921,559 km (0.106 R)
• M7: 4,339,236 km (0.072 R)
• M8: 5,078,399 km (0.091 R)
• M9: 5,899,392 km (0.091 R)
• M10: 6,288,795 km (0.116 R)
• M11: 7,323,115 km (0.089 R)
• M12: 8,896,137 km (0.069 R)
• M13: 10,308,041 km (0.083 R)
• M14: 10,721,231 km (0.084 R)
• M15: 11,223,879 km (0.062 R)
• M16: 11,661,304 km (0.111 R)
• M17: 12,276,151 km (0.039 R)
• M18: 13,749,989 km (0.085 R)
• M19: 14,251,142 km (0.106 R)
• M20: 14,576,218 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.6

Radius: 13.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.2 AU - 6.98 AU

Year: 4901 Days

Day: 10 Hours

Environment

Temp: -140 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,317,079 km

• M1: 170,392 km (0.072 R)
• M2: 635,043 km (0.1 R)
• M3: 1,191,996 km (0.075 R)
• M4: 1,755,082 km (0.112 R)
• M5: 3,239,392 km (0.111 R)
• M6: 4,337,590 km (0.075 R)
• M7: 5,079,297 km (0.078 R)
• M8: 5,956,987 km (0.083 R)
• M9: 6,615,667 km (0.068 R)
• M10: 7,949,481 km (0.052 R)
• M11: 8,612,200 km (0.098 R)
• M12: 9,383,377 km (0.115 R)
• M13: 11,063,959 km (0.07 R)
• M14: 11,848,600 km (0.085 R)
• M15: 12,670,192 km (0.114 R)
• M16: 14,426,919 km (0.098 R)
• M17: 15,770,458 km (0.107 R)
• M18: 16,711,429 km (0.06 R)
• M19: 18,476,384 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918

Radius: 10.7

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.01 AU - 10.53 AU

Year: 11325 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,317,079 km

• M1: 134,189 km (0.054 R)
• M2: 507,735 km (0.048 R)
• M3: 934,987 km (0.086 R)
• M4: 1,618,649 km (0.073 R)
• M5: 2,210,458 km (0.104 R)
• M6: 2,568,147 km (0.09 R)
• M7: 2,987,918 km (0.107 R)
• M8: 3,636,724 km (0.052 R)
• M9: 5,147,064 km (0.059 R)
• M10: 5,564,742 km (0.103 R)
• M11: 8,049,113 km (0.102 R)
• M12: 9,508,740 km (0.067 R)
• M13: 10,853,924 km (0.116 R)
• M14: 12,568,615 km (0.054 R)
• M15: 13,653,947 km (0.103 R)
• M16: 15,576,280 km (0.087 R)
• M17: 16,602,222 km (0.108 R)
• M18: 17,986,900 km (0.103 R)
• M19: 18,788,595 km (0.088 R)
• M20: 19,613,926 km (0.075 R)
• M21: 21,782,946 km (0.087 R)
• M22: 22,417,839 km (0.107 R)
• M23: 24,011,356 km (0.104 R)
• M24: 28,484,183 km (0.113 R)
• M25: 29,134,185 km (0.082 R)
• M26: 33,603,422 km (0.076 R)
• M27: 34,573,414 km (0.098 R)
• M28: 41,754,710 km (0.108 R)
• M29: 43,729,702 km (0.048 R)
• M30: 54,712,130 km (0.106 R)
• M31: 56,563,105 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.4

Radius: 4.7

Gravity: 34.06 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 13.35 AU - 15.37 AU

Year: 20181 Days

Day: 15.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,317,079 km

• M1: 76,295 km (0.082 R)
• M2: 252,671 km (0.119 R)
• M3: 467,045 km (0.074 R)
• M4: 3,078,874 km (0.098 R)
• M5: 3,529,911 km (0.065 R)
• M6: 3,740,545 km (0.086 R)
• M7: 4,354,794 km (0.088 R)
• M8: 5,071,517 km (0.081 R)
• M9: 8,516,457 km (0.06 R)
• M10: 8,951,039 km (0.055 R)
• M11: 9,230,189 km (0.032 R)
• M12: 9,982,816 km (0.079 R)
• M13: 10,162,183 km (0.097 R)
• M14: 10,588,986 km (0.099 R)
• M15: 15,298,028 km (0.058 R)
• M16: 16,021,034 km (0.099 R)
• M17: 16,935,377 km (0.059 R)
• M18: 18,776,478 km (0.104 R)
• M19: 23,267,256 km (0.119 R)
• M20: 24,438,159 km (0.066 R)
• M21: 26,552,126 km (0.05 R)
• M22: 27,712,258 km (0.062 R)
• M23: 38,821,695 km (0.064 R)
• M24: 40,617,318 km (0.03 R)
• M25: 42,938,927 km (0.076 R)
• M26: 45,839,630 km (0.034 R)
• M27: 51,136,891 km (0.083 R)
• M28: 52,027,746 km (0.053 R)
• M29: 55,507,542 km (0.11 R)
• M30: 60,516,228 km (0.092 R)
• M31: 62,722,946 km (0.079 R)
• M32: 72,757,224 km (0.069 R)
• M33: 76,634,800 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.2

Radius: 4.6

Gravity: 34.18 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 12.92 AU - 17.78 AU

Year: 22303 Days

Day: 19.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,317,079 km

• M1: 60,138 km (0.116 R)
• M2: 240,105 km (0.092 R)
• M3: 550,969 km (0.061 R)
• M4: 861,833 km (0.076 R)
• M5: 1,266,645 km (0.099 R)
• M6: 2,194,750 km (0.053 R)
• M7: 2,862,854 km (0.033 R)
• M8: 3,782,133 km (0.101 R)
• M9: 4,483,149 km (0.083 R)
• M10: 5,188,503 km (0.077 R)
• M11: 6,314,377 km (0.105 R)
• M12: 8,003,935 km (0.049 R)
• M13: 9,380,684 km (0.073 R)
• M14: 9,852,665 km (0.108 R)
• M15: 13,387,364 km (0.1 R)
• M16: 16,302,278 km (0.111 R)
• M17: 18,678,192 km (0.099 R)
• M18: 19,142,095 km (0.058 R)
• M19: 19,708,921 km (0.108 R)
• M20: 21,679,275 km (0.082 R)
• M21: 22,088,574 km (0.106 R)
• M22: 28,737,901 km (0.116 R)
• M23: 36,750,811 km (0.088 R)
• M24: 39,416,645 km (0.099 R)
• M25: 42,526,635 km (0.054 R)
• M26: 42,846,326 km (0.093 R)
• M27: 44,141,245 km (0.046 R)
• M28: 46,132,243 km (0.071 R)
• M29: 47,149,808 km (0.083 R)
• M30: 47,664,126 km (0.114 R)
• M31: 51,732,440 km (0.092 R)
• M32: 53,385,496 km (0.043 R)
• M33: 60,956,196 km (0.065 R)
• M34: 66,167,437 km (0.118 R)
• M35: 69,653,816 km (0.097 R)
• M36: 73,031,736 km (0.071 R)
• M37: 74,877,175 km (0.092 R)
• M38: 77,465,069 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 11,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit