🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.4

Radius: 8.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.74 AU - 1.04 AU

Year: 551 Days

Day: 8.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,659,791 km

• M1: 110,702 km (0.08 R)
• M2: 453,431 km (0.119 R)
• M3: 898,485 km (0.093 R)
• M4: 1,199,625 km (0.118 R)
• M5: 1,694,944 km (0.065 R)
• M6: 2,068,191 km (0.099 R)
• M7: 2,813,038 km (0.115 R)
• M8: 3,231,464 km (0.104 R)
• M9: 3,656,022 km (0.116 R)
• M10: 3,943,101 km (0.03 R)
• M11: 4,549,122 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636

Radius: 8.8

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.02 AU - 1.1 AU

Year: 716 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,659,791 km

• M1: 110,553 km (0.114 R)
• M2: 468,241 km (0.099 R)
• M3: 759,508 km (0.071 R)
• M4: 1,476,381 km (0.118 R)
• M5: 1,995,785 km (0.119 R)
• M6: 2,790,898 km (0.098 R)
• M7: 3,254,502 km (0.099 R)
• M8: 4,030,615 km (0.08 R)
• M9: 4,624,070 km (0.113 R)
• M10: 4,993,577 km (0.082 R)
• M11: 5,328,527 km (0.06 R)
• M12: 5,926,469 km (0.111 R)
• M13: 6,363,145 km (0.105 R)
• M14: 6,652,019 km (0.102 R)
• M15: 7,686,787 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.3

Radius: 13.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.01 AU - 1.17 AU

Year: 747 Days

Day: 13.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 154.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,659,791 km

• M1: 182,210 km (0.076 R)
• M2: 716,723 km (0.054 R)
• M3: 1,267,094 km (0.037 R)
• M4: 1,726,659 km (0.079 R)
• M5: 2,288,847 km (0.096 R)
• M6: 2,808,999 km (0.038 R)
• M7: 3,381,809 km (0.055 R)
• M8: 3,915,575 km (0.111 R)
• M9: 4,379,627 km (0.094 R)
• M10: 4,930,895 km (0.03 R)
• M11: 5,546,491 km (0.105 R)
• M12: 6,114,663 km (0.12 R)
• M13: 6,932,515 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.5

Radius: 15

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.5 AU - 6.18 AU

Year: 8095 Days

Day: 9.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,659,791 km

• M1: 186,549 km (0.069 R)
• M2: 707,598 km (0.117 R)
• M3: 1,536,370 km (0.06 R)
• M4: 2,029,445 km (0.038 R)
• M5: 2,882,601 km (0.103 R)
• M6: 4,196,071 km (0.08 R)
• M7: 4,973,680 km (0.108 R)
• M8: 6,565,402 km (0.077 R)
• M9: 7,976,858 km (0.115 R)
• M10: 8,475,767 km (0.106 R)
• M11: 9,582,492 km (0.078 R)
• M12: 10,099,203 km (0.108 R)
• M13: 11,240,036 km (0.095 R)
• M14: 14,255,181 km (0.061 R)
• M15: 15,054,782 km (0.048 R)
• M16: 15,819,227 km (0.103 R)
• M17: 16,946,596 km (0.07 R)
• M18: 17,564,735 km (0.095 R)
• M19: 18,340,549 km (0.058 R)
• M20: 18,919,194 km (0.045 R)
• M21: 21,040,791 km (0.108 R)
• M22: 23,996,246 km (0.082 R)
• M23: 26,023,447 km (0.066 R)
• M24: 27,405,582 km (0.105 R)
• M25: 31,228,107 km (0.089 R)
• M26: 32,788,562 km (0.1 R)
• M27: 35,504,063 km (0.066 R)
• M28: 36,973,862 km (0.058 R)
• M29: 41,132,533 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 6.5

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.87 AU - 6.19 AU

Year: 9714 Days

Day: 15.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,659,791 km

• M1: 80,783 km (0.12 R)
• M2: 426,055 km (0.056 R)
• M3: 748,887 km (0.111 R)
• M4: 1,052,571 km (0.116 R)
• M5: 1,398,291 km (0.094 R)
• M6: 1,683,574 km (0.083 R)
• M7: 2,073,576 km (0.088 R)
• M8: 2,541,518 km (0.083 R)
• M9: 3,166,239 km (0.088 R)
• M10: 4,570,215 km (0.1 R)
• M11: 6,601,305 km (0.09 R)
• M12: 7,170,824 km (0.112 R)
• M13: 7,731,218 km (0.06 R)
• M14: 8,064,522 km (0.087 R)
• M15: 8,494,317 km (0.047 R)
• M16: 8,714,974 km (0.102 R)
• M17: 11,084,604 km (0.09 R)
• M18: 14,720,430 km (0.104 R)
• M19: 17,542,445 km (0.115 R)
• M20: 19,920,602 km (0.089 R)
• M21: 20,945,198 km (0.111 R)
• M22: 24,406,593 km (0.107 R)
• M23: 25,579,142 km (0.099 R)
• M24: 26,225,853 km (0.097 R)
• M25: 26,978,181 km (0.114 R)
• M26: 28,427,335 km (0.054 R)
• M27: 38,347,918 km (0.104 R)
• M28: 39,561,307 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.4

Radius: 4.1

Gravity: 24.59 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.73 AU - 11.63 AU

Year: 19757 Days

Day: 19.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,659,791 km

• M1: 51,162 km (0.098 R)
• M2: 241,301 km (0.065 R)
• M3: 649,704 km (0.115 R)
• M4: 888,611 km (0.112 R)
• M5: 1,541,756 km (0.118 R)
• M6: 1,788,891 km (0.066 R)
• M7: 2,667,928 km (0.115 R)
• M8: 4,098,982 km (0.08 R)
• M9: 4,411,043 km (0.09 R)
• M10: 4,705,302 km (0.09 R)
• M11: 5,369,217 km (0.078 R)
• M12: 6,014,433 km (0.114 R)
• M13: 6,923,988 km (0.044 R)
• M14: 7,733,612 km (0.083 R)
• M15: 8,307,170 km (0.098 R)
• M16: 10,711,656 km (0.074 R)
• M17: 12,103,066 km (0.08 R)
• M18: 14,023,604 km (0.075 R)
• M19: 14,374,111 km (0.108 R)
• M20: 15,165,634 km (0.098 R)
• M21: 16,291,358 km (0.055 R)
• M22: 16,445,593 km (0.072 R)
• M23: 17,795,564 km (0.032 R)
• M24: 24,036,039 km (0.06 R)
• M25: 25,770,328 km (0.11 R)
• M26: 29,372,046 km (0.094 R)
• M27: 30,878,347 km (0.092 R)
• M28: 32,192,564 km (0.057 R)
• M29: 35,059,907 km (0.12 R)
• M30: 39,187,761 km (0.073 R)
• M31: 40,162,540 km (0.119 R)
• M32: 44,224,123 km (0.053 R)
• M33: 50,652,193 km (0.11 R)
• M34: 59,299,399 km (0.096 R)
• M35: 59,481,759 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.9

Radius: 7.8

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.03 AU - 12.01 AU

Year: 20807 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,659,791 km

• M1: 97,388 km (0.084 R)
• M2: 364,121 km (0.045 R)
• M3: 684,560 km (0.104 R)
• M4: 934,987 km (0.096 R)
• M5: 1,437,935 km (0.055 R)
• M6: 2,191,758 km (0.109 R)
• M7: 2,801,071 km (0.118 R)
• M8: 3,079,622 km (0.073 R)
• M9: 4,418,672 km (0.075 R)
• M10: 5,161,127 km (0.058 R)
• M11: 6,756,588 km (0.1 R)
• M12: 7,307,407 km (0.103 R)
• M13: 7,690,976 km (0.086 R)
• M14: 8,709,139 km (0.095 R)
• M15: 9,417,336 km (0.06 R)
• M16: 9,699,776 km (0.052 R)
• M17: 10,886,536 km (0.036 R)
• M18: 12,034,700 km (0.083 R)
• M19: 15,178,200 km (0.115 R)
• M20: 19,098,562 km (0.092 R)
• M21: 19,919,405 km (0.105 R)
• M22: 24,062,967 km (0.074 R)
• M23: 26,896,800 km (0.071 R)
• M24: 35,345,040 km (0.1 R)
• M25: 37,420,561 km (0.096 R)
• M26: 44,133,017 km (0.055 R)
• M27: 46,374,442 km (0.09 R)
• M28: 62,027,616 km (0.118 R)
• M29: 64,227,303 km (0.04 R)
• M30: 65,244,269 km (0.049 R)
• M31: 66,685,794 km (0.093 R)
• M32: 72,007,589 km (0.09 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 15,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit