🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.56 AU - 0.68 AU

Year: 187 Days

Day: 17.9 Hours

Environment

Temp: 199 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.74 AU - 1.06 AU

Year: 327 Days

Day: 24.7 Hours

Environment

Temp: 12 °C

Axial Tilt: 1.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.01 AU - 1.03 AU

Year: 394 Days

Day: 30.3 Hours

Environment

Temp: 20 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 90,214,563 km

• M1: 892,800 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.67 AU - 4.45 AU

Year: 3132 Days

Day: 40 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 10.6

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.78 AU - 9.16 AU

Year: 8615 Days

Day: 11.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,214,563 km

• M1: 131,796 km (0.113 R)
• M2: 498,161 km (0.096 R)
• M3: 1,202,916 km (0.083 R)
• M4: 1,747,453 km (0.062 R)
• M5: 2,340,010 km (0.097 R)
• M6: 3,900,465 km (0.038 R)
• M7: 4,501,699 km (0.091 R)
• M8: 5,290,828 km (0.025 R)
• M9: 7,381,309 km (0.087 R)
• M10: 7,749,170 km (0.117 R)
• M11: 9,297,956 km (0.109 R)
• M12: 9,971,895 km (0.102 R)
• M13: 12,532,113 km (0.087 R)
• M14: 16,038,687 km (0.109 R)
• M15: 18,911,415 km (0.115 R)
• M16: 21,609,263 km (0.093 R)
• M17: 28,648,142 km (0.105 R)
• M18: 29,050,710 km (0.118 R)
• M19: 29,867,215 km (0.118 R)
• M20: 31,439,189 km (0.116 R)
• M21: 31,975,348 km (0.086 R)
• M22: 32,626,697 km (0.048 R)
• M23: 36,840,420 km (0.101 R)
• M24: 37,676,373 km (0.114 R)
• M25: 39,015,723 km (0.092 R)
• M26: 43,092,115 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.8

Radius: 9.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.78 AU - 9.12 AU

Year: 9405 Days

Day: 8.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,214,563 km

• M1: 232,026 km (0.045 R)
• M2: 530,624 km (0.052 R)
• M3: 944,262 km (0.12 R)
• M4: 1,510,340 km (0.067 R)
• M5: 2,619,459 km (0.042 R)
• M6: 2,962,636 km (0.099 R)
• M7: 3,897,174 km (0.103 R)
• M8: 4,830,066 km (0.08 R)
• M9: 7,029,305 km (0.059 R)
• M10: 8,101,772 km (0.068 R)
• M11: 10,345,890 km (0.065 R)
• M12: 14,582,950 km (0.068 R)
• M13: 20,059,728 km (0.049 R)
• M14: 20,687,142 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.8

Radius: 5.3

Gravity: 33.63 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.78 AU - 13.58 AU

Year: 15284 Days

Day: 22.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,214,563 km

• M1: 65,973 km (0.107 R)
• M2: 451,486 km (0.061 R)
• M3: 949,198 km (0.069 R)
• M4: 2,112,472 km (0.028 R)
• M5: 3,736,506 km (0.098 R)
• M6: 6,511,098 km (0.053 R)
• M7: 6,905,587 km (0.106 R)
• M8: 9,013,571 km (0.087 R)
• M9: 11,897,818 km (0.115 R)
• M10: 12,222,894 km (0.111 R)
• M11: 12,687,844 km (0.028 R)
• M12: 14,445,021 km (0.118 R)
• M13: 15,884,452 km (0.095 R)
• M14: 18,607,282 km (0.101 R)
• M15: 28,380,062 km (0.035 R)
• M16: 29,666,903 km (0.055 R)
• M17: 31,237,232 km (0.086 R)
• M18: 32,735,156 km (0.057 R)
• M19: 37,933,682 km (0.085 R)
• M20: 39,493,539 km (0.088 R)
• M21: 40,362,254 km (0.097 R)
• M22: 42,589,317 km (0.065 R)
• M23: 45,053,942 km (0.114 R)
• M24: 48,266,107 km (0.082 R)
• M25: 56,226,808 km (0.056 R)
• M26: 60,899,348 km (0.107 R)
• M27: 69,320,512 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.7

Radius: 7.6

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 10.9 AU - 17.02 AU

Year: 19971 Days

Day: 16.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,214,563 km

• M1: 94,546 km (0.106 R)
• M2: 571,613 km (0.092 R)
• M3: 870,809 km (0.069 R)
• M4: 1,194,838 km (0.084 R)
• M5: 2,436,201 km (0.09 R)
• M6: 2,749,010 km (0.059 R)
• M7: 3,707,185 km (0.107 R)
• M8: 3,970,776 km (0.084 R)
• M9: 4,341,629 km (0.114 R)
• M10: 5,519,264 km (0.073 R)
• M11: 5,981,820 km (0.103 R)
• M12: 6,263,364 km (0.088 R)
• M13: 6,853,228 km (0.064 R)
• M14: 8,339,932 km (0.076 R)
• M15: 10,836,870 km (0.083 R)
• M16: 11,316,929 km (0.049 R)
• M17: 15,455,405 km (0.027 R)
• M18: 17,654,194 km (0.082 R)
• M19: 23,946,281 km (0.087 R)
• M20: 24,249,366 km (0.069 R)
• M21: 29,803,935 km (0.09 R)
• M22: 31,104,090 km (0.12 R)
• M23: 31,707,418 km (0.088 R)
• M24: 38,728,495 km (0.102 R)
• M25: 41,717,311 km (0.114 R)
• M26: 43,944,075 km (0.066 R)
• M27: 44,703,584 km (0.05 R)
• M28: 46,405,259 km (0.106 R)
• M29: 49,119,264 km (0.086 R)
• M30: 53,128,487 km (0.084 R)
• M31: 55,565,137 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.6

Radius: 5.4

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 18.09 AU - 18.87 AU

Year: 30417 Days

Day: 20.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,214,563 km

• M1: 67,469 km (0.076 R)
• M2: 675,734 km (0.113 R)
• M3: 1,013,974 km (0.077 R)
• M4: 1,297,911 km (0.045 R)
• M5: 3,076,779 km (0.058 R)
• M6: 3,306,711 km (0.102 R)
• M7: 4,134,436 km (0.102 R)
• M8: 4,859,088 km (0.046 R)
• M9: 6,055,722 km (0.11 R)
• M10: 6,325,746 km (0.075 R)
• M11: 7,085,554 km (0.114 R)
• M12: 9,728,350 km (0.039 R)
• M13: 17,115,792 km (0.075 R)
• M14: 19,832,489 km (0.088 R)
• M15: 24,709,828 km (0.073 R)
• M16: 26,339,248 km (0.032 R)
• M17: 28,663,251 km (0.075 R)
• M18: 31,386,980 km (0.08 R)
• M19: 34,562,643 km (0.051 R)
• M20: 34,992,139 km (0.11 R)
• M21: 42,355,047 km (0.06 R)
• M22: 52,361,050 km (0.057 R)
• M23: 55,624,527 km (0.078 R)
• M24: 60,666,125 km (0.067 R)
• M25: 70,493,060 km (0.073 R)
• M26: 81,076,511 km (0.028 R)
• M27: 88,601,583 km (0.075 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 17,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit