🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.44 AU - 0.66 AU

Year: 156 Days

Day: 39 Hours

Environment

Temp: 140 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.68 AU - 1.84 AU

Year: 894 Days

Day: 12.9 Hours

Environment

Temp: -75 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.49 AU - 2.27 AU

Year: 987 Days

Day: 35.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.83 AU - 2.29 AU

Year: 1132 Days

Day: 45 Hours

Environment

Temp: -82 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.1

Radius: 14

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.88 AU - 5.18 AU

Year: 3692 Days

Day: 12.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,879,258 km

• M1: 174,132 km (0.111 R)
• M2: 819,647 km (0.104 R)
• M3: 1,331,870 km (0.11 R)
• M4: 2,286,454 km (0.08 R)
• M5: 3,324,513 km (0.095 R)
• M6: 4,305,427 km (0.106 R)
• M7: 4,753,622 km (0.119 R)
• M8: 5,233,083 km (0.12 R)
• M9: 6,172,408 km (0.042 R)
• M10: 7,518,340 km (0.099 R)
• M11: 8,314,350 km (0.087 R)
• M12: 9,633,056 km (0.072 R)
• M13: 10,530,793 km (0.082 R)
• M14: 11,130,680 km (0.112 R)
• M15: 11,707,978 km (0.062 R)
• M16: 13,214,728 km (0.114 R)
• M17: 15,822,668 km (0.114 R)
• M18: 17,072,558 km (0.036 R)
• M19: 17,543,043 km (0.066 R)
• M20: 18,571,528 km (0.033 R)
• M21: 19,832,639 km (0.12 R)
• M22: 20,948,788 km (0.1 R)
• M23: 22,455,089 km (0.108 R)
• M24: 24,179,205 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 10.8

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.5 AU - 6.42 AU

Year: 4885 Days

Day: 9.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,879,258 km

• M1: 142,268 km (0.074 R)
• M2: 678,576 km (0.106 R)
• M3: 1,211,743 km (0.092 R)
• M4: 1,696,141 km (0.116 R)
• M5: 2,465,672 km (0.099 R)
• M6: 2,804,661 km (0.079 R)
• M7: 3,292,500 km (0.034 R)
• M8: 3,684,296 km (0.081 R)
• M9: 4,342,677 km (0.061 R)
• M10: 4,945,406 km (0.111 R)
• M11: 7,026,014 km (0.104 R)
• M12: 7,433,967 km (0.058 R)
• M13: 9,186,656 km (0.086 R)
• M14: 12,139,568 km (0.075 R)
• M15: 13,962,717 km (0.092 R)
• M16: 14,391,465 km (0.096 R)
• M17: 15,162,941 km (0.082 R)
• M18: 15,846,005 km (0.068 R)
• M19: 16,549,414 km (0.105 R)
• M20: 17,830,271 km (0.082 R)
• M21: 21,074,600 km (0.048 R)
• M22: 22,798,715 km (0.094 R)
• M23: 28,448,279 km (0.102 R)
• M24: 28,791,756 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 12.8

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.25 AU - 6.61 AU

Year: 6243 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,879,258 km

• M1: 159,172 km (0.111 R)
• M2: 616,044 km (0.113 R)
• M3: 1,070,672 km (0.105 R)
• M4: 2,118,007 km (0.12 R)
• M5: 3,778,693 km (0.077 R)
• M6: 4,199,362 km (0.04 R)
• M7: 5,515,973 km (0.119 R)
• M8: 7,422,897 km (0.061 R)
• M9: 8,297,296 km (0.06 R)
• M10: 8,981,108 km (0.102 R)
• M11: 9,803,597 km (0.101 R)
• M12: 10,639,700 km (0.097 R)
• M13: 11,560,624 km (0.041 R)
• M14: 14,822,606 km (0.058 R)
• M15: 15,550,998 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 13.7

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.71 AU - 7.69 AU

Year: 7397 Days

Day: 10.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,879,258 km

• M1: 170,542 km (0.102 R)
• M2: 793,916 km (0.061 R)
• M3: 1,369,718 km (0.115 R)
• M4: 2,191,758 km (0.075 R)
• M5: 2,884,247 km (0.108 R)
• M6: 5,635,501 km (0.116 R)
• M7: 6,080,854 km (0.11 R)
• M8: 6,614,021 km (0.113 R)
• M9: 8,947,598 km (0.114 R)
• M10: 9,391,156 km (0.102 R)
• M11: 9,891,710 km (0.06 R)
• M12: 10,410,067 km (0.05 R)
• M13: 10,901,047 km (0.118 R)
• M14: 11,833,640 km (0.117 R)
• M15: 12,319,534 km (0.051 R)
• M16: 12,818,892 km (0.12 R)
• M17: 13,331,564 km (0.107 R)
• M18: 16,400,714 km (0.037 R)
• M19: 17,813,965 km (0.102 R)
• M20: 19,240,231 km (0.118 R)
• M21: 20,532,308 km (0.109 R)
• M22: 24,053,542 km (0.115 R)
• M23: 25,875,794 km (0.114 R)
• M24: 26,613,312 km (0.115 R)
• M25: 28,388,739 km (0.098 R)
• M26: 29,085,416 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.7

Radius: 7.2

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 10.61 AU - 13.27 AU

Year: 15797 Days

Day: 23.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,879,258 km

• M1: 91,105 km (0.103 R)
• M2: 321,635 km (0.099 R)
• M3: 555,307 km (0.11 R)
• M4: 817,702 km (0.119 R)
• M5: 1,653,356 km (0.106 R)
• M6: 1,891,815 km (0.099 R)
• M7: 5,312,968 km (0.071 R)
• M8: 6,032,983 km (0.091 R)
• M9: 6,314,077 km (0.049 R)
• M10: 6,603,848 km (0.093 R)
• M11: 7,165,588 km (0.105 R)
• M12: 7,389,985 km (0.109 R)
• M13: 8,836,447 km (0.083 R)
• M14: 9,199,521 km (0.096 R)
• M15: 9,626,473 km (0.105 R)
• M16: 10,927,825 km (0.119 R)
• M17: 14,651,466 km (0.071 R)
• M18: 15,086,796 km (0.106 R)
• M19: 15,755,947 km (0.075 R)
• M20: 16,367,353 km (0.092 R)
• M21: 16,600,577 km (0.108 R)
• M22: 16,836,044 km (0.061 R)
• M23: 17,718,671 km (0.093 R)
• M24: 19,057,123 km (0.097 R)
• M25: 23,771,850 km (0.102 R)
• M26: 30,599,796 km (0.051 R)
• M27: 34,013,918 km (0.096 R)
• M28: 37,403,956 km (0.09 R)
• M29: 41,732,271 km (0.117 R)
• M30: 44,241,925 km (0.057 R)
• M31: 44,543,664 km (0.05 R)
• M32: 46,072,853 km (0.076 R)
• M33: 47,007,092 km (0.062 R)
• M34: 57,411,324 km (0.099 R)
• M35: 57,770,359 km (0.081 R)
• M36: 62,196,063 km (0.097 R)
• M37: 62,764,684 km (0.098 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: 416 - 14,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit