🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.44 AU - 0.66 AU

Year: 268 Days

Day: 38.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.7

Radius: 14.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.81 AU - 1.33 AU

Year: 726 Days

Day: 10.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,726,876 km

• M1: 176,675 km (0.08 R)
• M2: 729,589 km (0.08 R)
• M3: 1,304,344 km (0.063 R)
• M4: 2,077,914 km (0.104 R)
• M5: 3,038,183 km (0.094 R)
• M6: 3,908,394 km (0.069 R)
• M7: 4,613,748 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.8

Radius: 14.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.96 AU - 1.32 AU

Year: 798 Days

Day: 12.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,726,876 km

• M1: 180,714 km (0.074 R)
• M2: 714,928 km (0.1 R)
• M3: 1,347,877 km (0.093 R)
• M4: 1,866,981 km (0.092 R)
• M5: 2,542,865 km (0.057 R)
• M6: 3,128,091 km (0.057 R)
• M7: 3,715,114 km (0.101 R)
• M8: 4,589,962 km (0.084 R)
• M9: 5,540,956 km (0.089 R)
• M10: 6,300,913 km (0.111 R)
• M11: 8,304,178 km (0.102 R)
• M12: 9,058,001 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.6

Radius: 11.5

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.68 AU - 1.78 AU

Year: 1493 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,726,876 km

• M1: 143,016 km (0.112 R)
• M2: 527,482 km (0.117 R)
• M3: 1,196,484 km (0.076 R)
• M4: 1,759,869 km (0.119 R)
• M5: 3,007,216 km (0.059 R)
• M6: 3,440,751 km (0.083 R)
• M7: 3,933,826 km (0.103 R)
• M8: 5,588,378 km (0.107 R)
• M9: 7,665,694 km (0.108 R)
• M10: 8,271,416 km (0.047 R)
• M11: 8,940,118 km (0.089 R)
• M12: 9,481,064 km (0.089 R)
• M13: 10,043,851 km (0.106 R)
• M14: 10,419,791 km (0.055 R)
• M15: 12,521,043 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 8.1

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.47 AU - 3.59 AU

Year: 3460 Days

Day: 9.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,726,876 km

• M1: 101,128 km (0.09 R)
• M2: 372,050 km (0.089 R)
• M3: 643,570 km (0.07 R)
• M4: 979,866 km (0.09 R)
• M5: 1,518,718 km (0.115 R)
• M6: 3,232,660 km (0.058 R)
• M7: 6,305,550 km (0.102 R)
• M8: 8,207,238 km (0.062 R)
• M9: 8,967,944 km (0.103 R)
• M10: 9,231,685 km (0.105 R)
• M11: 9,578,303 km (0.067 R)
• M12: 11,400,106 km (0.114 R)
• M13: 12,162,157 km (0.07 R)
• M14: 14,445,470 km (0.112 R)
• M15: 16,154,476 km (0.115 R)
• M16: 20,161,305 km (0.091 R)
• M17: 23,981,735 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.7

Radius: 12.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.23 AU - 6.83 AU

Year: 8531 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,726,876 km

• M1: 160,369 km (0.096 R)
• M2: 619,036 km (0.103 R)
• M3: 2,835,328 km (0.077 R)
• M4: 3,543,974 km (0.058 R)
• M5: 4,868,812 km (0.075 R)
• M6: 9,345,229 km (0.105 R)
• M7: 10,038,466 km (0.059 R)
• M8: 11,579,773 km (0.107 R)
• M9: 12,821,585 km (0.086 R)
• M10: 14,511,592 km (0.044 R)
• M11: 16,018,790 km (0.084 R)
• M12: 18,329,479 km (0.072 R)
• M13: 19,416,457 km (0.063 R)
• M14: 20,699,857 km (0.12 R)
• M15: 22,443,570 km (0.063 R)
• M16: 39,112,962 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.5

Radius: 12.1

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.44 AU - 6.88 AU

Year: 8834 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,726,876 km

• M1: 183,257 km (0.055 R)
• M2: 666,907 km (0.061 R)
• M3: 1,078,152 km (0.026 R)
• M4: 1,753,586 km (0.116 R)
• M5: 2,554,683 km (0.065 R)
• M6: 2,995,249 km (0.087 R)
• M7: 4,141,767 km (0.091 R)
• M8: 5,526,893 km (0.082 R)
• M9: 5,943,972 km (0.104 R)
• M10: 8,444,501 km (0.077 R)
• M11: 8,952,086 km (0.113 R)
• M12: 9,927,464 km (0.094 R)
• M13: 12,262,837 km (0.12 R)
• M14: 12,914,784 km (0.063 R)
• M15: 16,173,624 km (0.112 R)
• M16: 17,396,437 km (0.09 R)
• M17: 19,069,241 km (0.065 R)
• M18: 20,598,131 km (0.066 R)
• M19: 21,775,915 km (0.111 R)
• M20: 28,964,990 km (0.116 R)
• M21: 29,697,571 km (0.04 R)
• M22: 33,776,506 km (0.055 R)
• M23: 34,471,389 km (0.116 R)
• M24: 35,889,726 km (0.115 R)
• M25: 39,095,758 km (0.103 R)
• M26: 41,688,439 km (0.105 R)
• M27: 43,433,797 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.3

Radius: 6.1

Gravity: 25.75 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.08 AU - 9.56 AU

Year: 14346 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,726,876 km

• M1: 75,996 km (0.035 R)
• M2: 329,564 km (0.084 R)
• M3: 521,199 km (0.113 R)
• M4: 1,140,085 km (0.045 R)
• M5: 1,431,502 km (0.099 R)
• M6: 1,636,152 km (0.118 R)
• M7: 2,164,532 km (0.106 R)
• M8: 2,921,796 km (0.081 R)
• M9: 3,227,424 km (0.089 R)
• M10: 3,553,997 km (0.087 R)
• M11: 5,682,475 km (0.098 R)
• M12: 7,102,608 km (0.111 R)
• M13: 7,798,537 km (0.079 R)
• M14: 8,590,059 km (0.096 R)
• M15: 9,058,151 km (0.098 R)
• M16: 9,708,453 km (0.115 R)
• M17: 13,993,983 km (0.114 R)
• M18: 17,351,857 km (0.096 R)
• M19: 18,954,798 km (0.092 R)
• M20: 24,249,067 km (0.117 R)
• M21: 25,818,199 km (0.086 R)
• M22: 26,356,003 km (0.074 R)
• M23: 26,682,276 km (0.12 R)
• M24: 30,930,257 km (0.113 R)
• M25: 32,151,275 km (0.095 R)
• M26: 36,543,020 km (0.115 R)
• M27: 38,601,487 km (0.1 R)
• M28: 42,350,559 km (0.095 R)
• M29: 44,774,344 km (0.115 R)
• M30: 47,129,164 km (0.108 R)
• M31: 51,913,603 km (0.109 R)
• M32: 59,029,674 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.3

Radius: 6.5

Gravity: 20.69 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.28 AU - 10.52 AU

Year: 20434 Days

Day: 24.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,726,876 km

• M1: 81,830 km (0.113 R)
• M2: 701,016 km (0.07 R)
• M3: 1,021,005 km (0.117 R)
• M4: 1,551,031 km (0.117 R)
• M5: 1,839,455 km (0.056 R)
• M6: 2,058,168 km (0.055 R)
• M7: 3,253,754 km (0.114 R)
• M8: 4,780,250 km (0.12 R)
• M9: 6,059,312 km (0.067 R)
• M10: 8,491,026 km (0.087 R)
• M11: 8,765,238 km (0.089 R)
• M12: 11,978,302 km (0.101 R)
• M13: 12,675,278 km (0.089 R)
• M14: 13,399,032 km (0.069 R)
• M15: 14,380,395 km (0.12 R)
• M16: 20,016,046 km (0.067 R)
• M17: 21,296,454 km (0.087 R)
• M18: 27,798,875 km (0.096 R)
• M19: 28,771,410 km (0.072 R)
• M20: 33,702,156 km (0.105 R)
• M21: 35,087,433 km (0.093 R)
• M22: 39,016,770 km (0.105 R)
• M23: 50,369,753 km (0.083 R)
• M24: 58,652,089 km (0.109 R)
• M25: 62,699,310 km (0.097 R)
• M26: 63,948,901 km (0.036 R)
• M27: 64,791,137 km (0.078 R)
• M28: 80,751,584 km (0.066 R)
• M29: 82,230,210 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit