🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.04 AU - 1.24 AU

Year: 369 Days

Day: 42.5 Hours

Environment

Temp: 183 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.15 AU - 1.21 AU

Year: 389 Days

Day: 12.5 Hours

Environment

Temp: 190 °C

Axial Tilt: 48.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.42 AU - 1.92 AU

Year: 655 Days

Day: 17 Hours

Environment

Temp: 88 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.04 AU - 2.88 AU

Year: 1170 Days

Day: 36.3 Hours

Environment

Temp: 0 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 6.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.9

Radius: 14

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.85 AU - 11.93 AU

Year: 10158 Days

Day: 13.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 122,146,838 km

• M1: 174,132 km (0.087 R)
• M2: 744,848 km (0.062 R)
• M3: 1,293,274 km (0.111 R)
• M4: 2,770,104 km (0.086 R)
• M5: 4,476,716 km (0.059 R)
• M6: 5,274,522 km (0.113 R)
• M7: 6,803,562 km (0.063 R)
• M8: 8,213,372 km (0.081 R)
• M9: 11,896,322 km (0.095 R)
• M10: 13,472,934 km (0.04 R)
• M11: 15,086,197 km (0.071 R)
• M12: 16,824,824 km (0.105 R)
• M13: 18,807,744 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 21.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.9

Radius: 5.7

Gravity: 18.53 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 19.56 AU - 23.34 AU

Year: 30133 Days

Day: 22.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 122,146,838 km

• M1: 71,209 km (0.101 R)
• M2: 290,968 km (0.118 R)
• M3: 995,723 km (0.115 R)
• M4: 1,266,047 km (0.117 R)
• M5: 1,733,690 km (0.113 R)
• M6: 1,996,982 km (0.075 R)
• M7: 3,005,720 km (0.078 R)
• M8: 3,296,090 km (0.099 R)
• M9: 4,245,139 km (0.118 R)
• M10: 5,118,042 km (0.063 R)
• M11: 7,010,904 km (0.107 R)
• M12: 7,840,873 km (0.118 R)
• M13: 10,989,759 km (0.062 R)
• M14: 11,262,176 km (0.059 R)
• M15: 12,034,550 km (0.117 R)
• M16: 14,481,672 km (0.103 R)
• M17: 17,517,163 km (0.09 R)
• M18: 18,171,354 km (0.118 R)
• M19: 19,330,438 km (0.108 R)
• M20: 20,640,916 km (0.117 R)
• M21: 21,688,400 km (0.053 R)
• M22: 22,770,890 km (0.104 R)
• M23: 23,775,590 km (0.036 R)
• M24: 24,346,305 km (0.085 R)
• M25: 26,355,106 km (0.064 R)
• M26: 27,337,515 km (0.077 R)
• M27: 32,478,895 km (0.04 R)
• M28: 47,799,063 km (0.038 R)
• M29: 51,882,486 km (0.11 R)
• M30: 59,682,071 km (0.098 R)
• M31: 60,101,992 km (0.028 R)
• M32: 70,777,445 km (0.097 R)
• M33: 74,841,870 km (0.085 R)
• M34: 76,559,852 km (0.042 R)
• M35: 77,553,182 km (0.067 R)
• M36: 79,819,589 km (0.112 R)
• M37: 81,354,763 km (0.063 R)
• M38: 85,544,850 km (0.096 R)
• M39: 94,921,495 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 22.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.6

Radius: 6.3

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 19.37 AU - 24.71 AU

Year: 31385 Days

Day: 17 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 122,146,838 km

• M1: 78,389 km (0.093 R)
• M2: 1,655,001 km (0.098 R)
• M3: 4,613,150 km (0.104 R)
• M4: 5,492,037 km (0.061 R)
• M5: 5,951,452 km (0.059 R)
• M6: 6,394,711 km (0.092 R)
• M7: 7,669,135 km (0.076 R)
• M8: 9,638,441 km (0.1 R)
• M9: 11,549,105 km (0.099 R)
• M10: 13,493,130 km (0.093 R)
• M11: 16,488,677 km (0.101 R)
• M12: 19,200,288 km (0.091 R)
• M13: 24,969,381 km (0.108 R)
• M14: 33,520,844 km (0.074 R)
• M15: 39,768,200 km (0.086 R)
• M16: 50,609,259 km (0.054 R)
• M17: 55,025,388 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 23.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.5

Radius: 4.5

Gravity: 35.33 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 21.57 AU - 24.61 AU

Year: 33654 Days

Day: 15.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 122,146,838 km

• M1: 76,145 km (0.111 R)
• M2: 239,955 km (0.093 R)
• M3: 511,475 km (0.098 R)
• M4: 1,081,443 km (0.046 R)
• M5: 1,436,738 km (0.118 R)
• M6: 2,326,247 km (0.114 R)
• M7: 3,666,644 km (0.119 R)
• M8: 3,838,083 km (0.086 R)
• M9: 4,014,758 km (0.039 R)
• M10: 6,189,014 km (0.088 R)
• M11: 7,042,469 km (0.118 R)
• M12: 7,254,150 km (0.08 R)
• M13: 11,829,302 km (0.112 R)
• M14: 11,978,302 km (0.064 R)
• M15: 19,226,917 km (0.098 R)
• M16: 21,135,486 km (0.087 R)
• M17: 27,875,319 km (0.077 R)
• M18: 29,348,559 km (0.116 R)
• M19: 31,726,268 km (0.066 R)
• M20: 40,631,530 km (0.063 R)
• M21: 44,831,939 km (0.071 R)
• M22: 48,165,727 km (0.062 R)
• M23: 50,282,238 km (0.11 R)
• M24: 55,947,808 km (0.046 R)
• M25: 57,427,930 km (0.096 R)
• M26: 59,806,087 km (0.07 R)
• M27: 62,926,699 km (0.079 R)
• M28: 67,096,141 km (0.11 R)
• M29: 71,940,718 km (0.084 R)
• M30: 73,187,168 km (0.1 R)
• M31: 75,211,526 km (0.065 R)
• M32: 77,532,986 km (0.079 R)
• M33: 78,580,022 km (0.114 R)
• M34: 79,107,055 km (0.107 R)
• M35: 82,047,700 km (0.085 R)
• M36: 89,000,560 km (0.108 R)
• M37: 91,015,345 km (0.109 R)
• M38: 93,650,212 km (0.097 R)
• M39: 94,837,570 km (0.095 R)
• M40: 102,800,066 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 23.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.2

Radius: 3.3

Gravity: 90.84 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 20.33 AU - 26.03 AU

Year: 33851 Days

Day: 16.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 122,146,838 km

• M1: 341,532 km (0.079 R)
• M2: 478,414 km (0.119 R)
• M3: 673,340 km (0.079 R)
• M4: 777,161 km (0.034 R)
• M5: 1,092,962 km (0.089 R)
• M6: 3,081,118 km (0.083 R)
• M7: 3,505,527 km (0.093 R)
• M8: 4,194,126 km (0.099 R)
• M9: 5,276,317 km (0.065 R)
• M10: 5,690,703 km (0.101 R)
• M11: 7,452,667 km (0.094 R)
• M12: 10,161,435 km (0.073 R)
• M13: 10,371,770 km (0.062 R)
• M14: 12,239,051 km (0.1 R)
• M15: 20,690,582 km (0.045 R)
• M16: 35,145,925 km (0.087 R)
• M17: 35,788,149 km (0.051 R)
• M18: 37,095,784 km (0.103 R)
• M19: 46,188,791 km (0.025 R)
• M20: 57,986,528 km (0.073 R)
• M21: 68,605,284 km (0.06 R)
• M22: 71,384,663 km (0.03 R)
• M23: 80,171,144 km (0.115 R)
• M24: 106,393,258 km (0.115 R)
• M25: 107,735,151 km (0.072 R)
• M26: 108,410,435 km (0.069 R)
• M27: 121,051,156 km (0.077 R)

Kuiper Belt

Range: 36.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 13,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit