🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.07 AU - 1.35 AU

Year: 474 Days

Day: 44.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.02 AU - 2.8 AU

Year: 1334 Days

Day: 16.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.67 AU - 4.37 AU

Year: 2873 Days

Day: 43 Hours

Environment

Temp: -115 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 12.3

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.26 AU - 8.24 AU

Year: 6251 Days

Day: 8.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,955,127 km

• M1: 153,039 km (0.105 R)
• M2: 646,861 km (0.095 R)
• M3: 1,166,564 km (0.108 R)
• M4: 1,875,957 km (0.034 R)
• M5: 2,388,330 km (0.098 R)
• M6: 2,973,706 km (0.09 R)
• M7: 3,452,120 km (0.072 R)
• M8: 3,981,847 km (0.104 R)
• M9: 4,781,447 km (0.098 R)
• M10: 5,411,703 km (0.119 R)
• M11: 5,968,057 km (0.119 R)
• M12: 6,494,492 km (0.08 R)
• M13: 7,305,313 km (0.108 R)
• M14: 8,025,178 km (0.114 R)
• M15: 9,430,799 km (0.107 R)
• M16: 10,659,297 km (0.09 R)
• M17: 11,991,616 km (0.062 R)
• M18: 14,223,018 km (0.068 R)
• M19: 14,806,748 km (0.111 R)
• M20: 16,273,107 km (0.114 R)
• M21: 16,976,666 km (0.086 R)
• M22: 17,968,649 km (0.11 R)
• M23: 19,209,563 km (0.117 R)
• M24: 24,251,012 km (0.12 R)
• M25: 27,610,980 km (0.104 R)
• M26: 29,075,244 km (0.096 R)
• M27: 32,557,733 km (0.059 R)
• M28: 33,265,929 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.4

Radius: 11.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.74 AU - 8.02 AU

Year: 6432 Days

Day: 11 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,955,127 km

• M1: 150,346 km (0.076 R)
• M2: 650,751 km (0.098 R)
• M3: 1,190,201 km (0.079 R)
• M4: 2,398,951 km (0.102 R)
• M5: 3,723,042 km (0.082 R)
• M6: 4,470,433 km (0.111 R)
• M7: 4,986,695 km (0.043 R)
• M8: 5,776,273 km (0.057 R)
• M9: 9,832,021 km (0.09 R)
• M10: 10,707,916 km (0.083 R)
• M11: 12,216,761 km (0.042 R)
• M12: 14,241,867 km (0.085 R)
• M13: 17,780,455 km (0.09 R)
• M14: 20,371,789 km (0.083 R)
• M15: 25,799,948 km (0.097 R)
• M16: 28,757,199 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.8

Radius: 14.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.37 AU - 7.39 AU

Year: 7146 Days

Day: 13.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,955,127 km

• M1: 184,005 km (0.117 R)
• M2: 898,485 km (0.086 R)
• M3: 1,586,037 km (0.065 R)
• M4: 2,343,151 km (0.071 R)
• M5: 3,355,331 km (0.078 R)
• M6: 3,825,666 km (0.12 R)
• M7: 4,476,118 km (0.062 R)
• M8: 5,291,576 km (0.037 R)
• M9: 6,698,993 km (0.115 R)
• M10: 10,147,672 km (0.034 R)
• M11: 11,141,601 km (0.08 R)
• M12: 14,577,116 km (0.065 R)
• M13: 15,137,809 km (0.116 R)
• M14: 15,712,863 km (0.112 R)
• M15: 19,475,399 km (0.087 R)
• M16: 20,309,706 km (0.118 R)
• M17: 24,579,977 km (0.084 R)
• M18: 25,554,458 km (0.109 R)
• M19: 26,831,874 km (0.072 R)
• M20: 30,818,059 km (0.107 R)
• M21: 33,112,142 km (0.055 R)
• M22: 35,967,517 km (0.119 R)
• M23: 37,571,206 km (0.111 R)
• M24: 38,745,699 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.1

Radius: 8.6

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.98 AU - 9.4 AU

Year: 9930 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,955,127 km

• M1: 107,411 km (0.064 R)
• M2: 931,995 km (0.089 R)
• M3: 1,470,996 km (0.072 R)
• M4: 1,768,097 km (0.101 R)
• M5: 2,324,901 km (0.06 R)
• M6: 5,552,923 km (0.079 R)
• M7: 9,076,252 km (0.106 R)
• M8: 13,224,302 km (0.111 R)
• M9: 14,279,416 km (0.065 R)
• M10: 16,958,265 km (0.117 R)
• M11: 35,922,189 km (0.1 R)
• M12: 36,258,036 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.2

Radius: 6

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 10.72 AU - 15.24 AU

Year: 16669 Days

Day: 24.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,955,127 km

• M1: 74,649 km (0.059 R)
• M2: 430,243 km (0.116 R)
• M3: 988,692 km (0.106 R)
• M4: 1,325,587 km (0.117 R)
• M5: 1,847,534 km (0.119 R)
• M6: 2,066,844 km (0.103 R)
• M7: 2,517,882 km (0.095 R)
• M8: 2,919,552 km (0.115 R)
• M9: 3,363,110 km (0.115 R)
• M10: 3,613,985 km (0.109 R)
• M11: 4,997,018 km (0.111 R)
• M12: 5,806,641 km (0.083 R)
• M13: 6,739,534 km (0.087 R)
• M14: 7,682,449 km (0.068 R)
• M15: 8,118,826 km (0.05 R)
• M16: 8,993,076 km (0.115 R)
• M17: 11,933,572 km (0.086 R)
• M18: 14,000,566 km (0.071 R)
• M19: 14,983,872 km (0.077 R)
• M20: 15,458,247 km (0.092 R)
• M21: 22,130,312 km (0.106 R)
• M22: 23,643,794 km (0.085 R)
• M23: 25,129,899 km (0.1 R)
• M24: 25,510,925 km (0.08 R)
• M25: 29,641,920 km (0.094 R)
• M26: 32,143,945 km (0.081 R)
• M27: 34,430,997 km (0.1 R)
• M28: 35,137,847 km (0.118 R)
• M29: 43,288,388 km (0.065 R)
• M30: 49,121,957 km (0.079 R)
• M31: 50,017,300 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746

Radius: 3.5

Gravity: 60.9 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 13.94 AU - 16.64 AU

Year: 21311 Days

Day: 20.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,955,127 km

• M1: 53,706 km (0.109 R)
• M2: 191,784 km (0.061 R)
• M3: 330,163 km (0.091 R)
• M4: 543,788 km (0.104 R)
• M5: 716,275 km (0.096 R)
• M6: 948,750 km (0.074 R)
• M7: 1,722,619 km (0.07 R)
• M8: 1,953,000 km (0.093 R)
• M9: 2,225,418 km (0.099 R)
• M10: 2,643,694 km (0.097 R)
• M11: 2,768,608 km (0.106 R)
• M12: 3,030,554 km (0.114 R)
• M13: 5,074,061 km (0.111 R)
• M14: 5,385,972 km (0.105 R)
• M15: 5,546,640 km (0.114 R)
• M16: 6,808,797 km (0.085 R)
• M17: 8,356,836 km (0.107 R)
• M18: 11,720,395 km (0.049 R)
• M19: 13,476,225 km (0.063 R)
• M20: 17,762,802 km (0.071 R)
• M21: 19,215,996 km (0.061 R)
• M22: 27,682,488 km (0.101 R)
• M23: 40,287,754 km (0.041 R)
• M24: 40,902,152 km (0.087 R)
• M25: 51,961,474 km (0.095 R)
• M26: 56,048,787 km (0.114 R)
• M27: 61,149,027 km (0.1 R)
• M28: 67,839,792 km (0.07 R)
• M29: 72,939,135 km (0.099 R)
• M30: 73,166,523 km (0.074 R)
• M31: 75,465,843 km (0.047 R)
• M32: 77,812,734 km (0.109 R)
• M33: 80,936,038 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.5

Radius: 6.7

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 15.59 AU - 19.89 AU

Year: 26633 Days

Day: 18.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,955,127 km

• M1: 86,767 km (0.03 R)
• M2: 826,678 km (0.054 R)
• M3: 1,225,356 km (0.076 R)
• M4: 1,454,091 km (0.028 R)
• M5: 1,677,591 km (0.111 R)
• M6: 2,340,159 km (0.094 R)
• M7: 2,626,490 km (0.084 R)
• M8: 3,010,956 km (0.115 R)
• M9: 3,657,369 km (0.044 R)
• M10: 4,168,694 km (0.053 R)
• M11: 5,791,532 km (0.12 R)
• M12: 6,317,518 km (0.093 R)
• M13: 8,953,133 km (0.094 R)
• M14: 9,381,432 km (0.101 R)
• M15: 10,394,958 km (0.061 R)
• M16: 11,049,149 km (0.058 R)
• M17: 13,521,104 km (0.043 R)
• M18: 13,801,002 km (0.117 R)
• M19: 14,156,297 km (0.069 R)
• M20: 23,706,326 km (0.066 R)
• M21: 26,655,947 km (0.03 R)
• M22: 28,676,266 km (0.076 R)
• M23: 34,819,353 km (0.059 R)
• M24: 35,345,639 km (0.108 R)
• M25: 44,349,635 km (0.071 R)
• M26: 46,857,643 km (0.06 R)
• M27: 48,799,723 km (0.109 R)
• M28: 58,574,597 km (0.105 R)
• M29: 59,693,440 km (0.072 R)
• M30: 62,359,274 km (0.067 R)
• M31: 63,330,314 km (0.056 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 14,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit