🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 10.9

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.83 AU - 1.21 AU

Year: 711 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,048,697 km

• M1: 139,575 km (0.113 R)
• M2: 529,427 km (0.057 R)
• M3: 1,215,184 km (0.118 R)
• M4: 1,811,481 km (0.062 R)
• M5: 2,168,272 km (0.069 R)
• M6: 2,617,664 km (0.113 R)
• M7: 3,720,499 km (0.116 R)
• M8: 4,097,785 km (0.062 R)
• M9: 5,752,487 km (0.062 R)
• M10: 7,455,509 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 11.2

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.2 AU - 1.34 AU

Year: 988 Days

Day: 8.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,048,697 km

• M1: 139,276 km (0.115 R)
• M2: 625,170 km (0.069 R)
• M3: 1,138,589 km (0.05 R)
• M4: 1,547,590 km (0.099 R)
• M5: 2,180,090 km (0.028 R)
• M6: 2,563,360 km (0.116 R)
• M7: 3,322,569 km (0.094 R)
• M8: 4,042,882 km (0.119 R)
• M9: 4,449,340 km (0.105 R)
• M10: 4,995,821 km (0.107 R)
• M11: 5,364,729 km (0.102 R)
• M12: 6,356,563 km (0.119 R)
• M13: 6,790,696 km (0.099 R)
• M14: 7,744,233 km (0.073 R)
• M15: 10,470,056 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 9.9

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.05 AU - 2.47 AU

Year: 2345 Days

Day: 14.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,048,697 km

• M1: 123,119 km (0.03 R)
• M2: 451,038 km (0.064 R)
• M3: 932,892 km (0.076 R)
• M4: 1,278,463 km (0.112 R)
• M5: 1,883,138 km (0.091 R)
• M6: 2,699,494 km (0.094 R)
• M7: 3,528,266 km (0.095 R)
• M8: 4,073,101 km (0.055 R)
• M9: 4,539,847 km (0.112 R)
• M10: 5,355,903 km (0.087 R)
• M11: 6,744,770 km (0.025 R)
• M12: 7,523,127 km (0.108 R)
• M13: 8,766,734 km (0.063 R)
• M14: 10,295,325 km (0.107 R)
• M15: 11,244,674 km (0.067 R)
• M16: 11,656,965 km (0.059 R)
• M17: 12,337,785 km (0.111 R)
• M18: 13,408,457 km (0.115 R)
• M19: 14,636,955 km (0.085 R)
• M20: 16,830,957 km (0.044 R)
• M21: 18,714,394 km (0.052 R)
• M22: 19,707,126 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.9

Radius: 11.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.2 AU - 2.56 AU

Year: 2534 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,048,697 km

• M1: 143,165 km (0.099 R)
• M2: 729,439 km (0.087 R)
• M3: 1,297,462 km (0.07 R)
• M4: 2,127,282 km (0.048 R)
• M5: 2,673,015 km (0.086 R)
• M6: 3,197,654 km (0.037 R)
• M7: 3,650,786 km (0.105 R)
• M8: 4,316,048 km (0.089 R)
• M9: 5,974,041 km (0.098 R)
• M10: 6,688,072 km (0.052 R)
• M11: 7,659,860 km (0.048 R)
• M12: 8,206,490 km (0.11 R)
• M13: 8,612,798 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.9

Radius: 11.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.93 AU - 3.37 AU

Year: 3859 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,048,697 km

• M1: 197,170 km (0.033 R)
• M2: 584,180 km (0.053 R)
• M3: 1,067,082 km (0.103 R)
• M4: 1,527,245 km (0.105 R)
• M5: 3,056,584 km (0.087 R)
• M6: 3,698,059 km (0.116 R)
• M7: 4,547,775 km (0.104 R)
• M8: 5,639,989 km (0.08 R)
• M9: 6,400,395 km (0.081 R)
• M10: 7,452,517 km (0.06 R)
• M11: 7,916,271 km (0.108 R)
• M12: 8,491,923 km (0.047 R)
• M13: 9,524,597 km (0.116 R)
• M14: 10,141,240 km (0.04 R)
• M15: 10,784,361 km (0.085 R)
• M16: 11,190,519 km (0.108 R)
• M17: 12,714,024 km (0.093 R)
• M18: 13,890,162 km (0.102 R)
• M19: 15,741,436 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.3

Radius: 9.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.78 AU - 4.18 AU

Year: 5481 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,048,697 km

• M1: 122,670 km (0.115 R)
• M2: 458,368 km (0.118 R)
• M3: 1,134,101 km (0.083 R)
• M4: 1,654,403 km (0.075 R)
• M5: 2,219,733 km (0.066 R)
• M6: 2,861,209 km (0.076 R)
• M7: 3,191,671 km (0.025 R)
• M8: 3,989,626 km (0.114 R)
• M9: 6,437,795 km (0.106 R)
• M10: 7,097,671 km (0.07 R)
• M11: 7,490,066 km (0.11 R)
• M12: 11,253,051 km (0.093 R)
• M13: 12,996,465 km (0.07 R)
• M14: 14,864,044 km (0.113 R)
• M15: 15,811,149 km (0.094 R)
• M16: 19,182,187 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 9.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.98 AU - 4.4 AU

Year: 5920 Days

Day: 9 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,048,697 km

• M1: 116,836 km (0.096 R)
• M2: 798,853 km (0.111 R)
• M3: 1,361,939 km (0.087 R)
• M4: 1,686,267 km (0.07 R)
• M5: 2,130,573 km (0.083 R)
• M6: 2,651,473 km (0.098 R)
• M7: 2,986,123 km (0.117 R)
• M8: 4,012,215 km (0.092 R)
• M9: 4,432,435 km (0.041 R)
• M10: 5,054,762 km (0.063 R)
• M11: 5,413,498 km (0.112 R)
• M12: 5,789,138 km (0.062 R)
• M13: 6,385,286 km (0.079 R)
• M14: 10,238,179 km (0.093 R)
• M15: 11,195,456 km (0.112 R)
• M16: 12,166,047 km (0.113 R)
• M17: 12,718,512 km (0.103 R)
• M18: 13,287,582 km (0.037 R)
• M19: 14,122,787 km (0.12 R)
• M20: 15,202,435 km (0.098 R)
• M21: 16,669,990 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.6

Radius: 6.6

Gravity: 16.38 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.08 AU - 7.62 AU

Year: 11045 Days

Day: 22.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,048,697 km

• M1: 84,074 km (0.08 R)
• M2: 415,583 km (0.109 R)
• M3: 656,884 km (0.112 R)
• M4: 1,136,794 km (0.113 R)
• M5: 1,524,103 km (0.036 R)
• M6: 1,780,663 km (0.11 R)
• M7: 2,066,096 km (0.112 R)
• M8: 2,460,586 km (0.098 R)
• M9: 2,926,583 km (0.034 R)
• M10: 5,062,242 km (0.083 R)
• M11: 5,498,470 km (0.112 R)
• M12: 5,743,661 km (0.104 R)
• M13: 8,154,281 km (0.099 R)
• M14: 9,332,813 km (0.074 R)
• M15: 11,167,481 km (0.093 R)
• M16: 11,391,429 km (0.066 R)
• M17: 12,859,732 km (0.065 R)
• M18: 13,480,863 km (0.101 R)
• M19: 13,798,908 km (0.102 R)
• M20: 16,381,565 km (0.048 R)
• M21: 17,111,304 km (0.088 R)
• M22: 17,862,584 km (0.111 R)
• M23: 24,587,457 km (0.074 R)
• M24: 26,623,185 km (0.04 R)
• M25: 27,325,996 km (0.101 R)
• M26: 28,663,999 km (0.111 R)
• M27: 29,829,666 km (0.071 R)
• M28: 32,029,652 km (0.105 R)
• M29: 33,748,980 km (0.116 R)
• M30: 35,167,916 km (0.075 R)
• M31: 40,976,652 km (0.066 R)
• M32: 42,047,922 km (0.064 R)
• M33: 43,413,302 km (0.085 R)
• M34: 43,828,735 km (0.071 R)
• M35: 47,833,620 km (0.095 R)
• M36: 51,146,465 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.5

Radius: 6.8

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.13 AU - 7.79 AU

Year: 14064 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,048,697 km

• M1: 84,523 km (0.085 R)
• M2: 381,774 km (0.099 R)
• M3: 854,503 km (0.117 R)
• M4: 1,252,882 km (0.103 R)
• M5: 1,572,722 km (0.098 R)
• M6: 2,213,300 km (0.102 R)
• M7: 2,440,540 km (0.06 R)
• M8: 4,149,396 km (0.1 R)
• M9: 4,627,810 km (0.099 R)
• M10: 5,285,742 km (0.091 R)
• M11: 7,680,803 km (0.065 R)
• M12: 15,793,197 km (0.12 R)
• M13: 17,679,476 km (0.088 R)
• M14: 21,240,803 km (0.09 R)
• M15: 22,462,868 km (0.092 R)
• M16: 28,043,168 km (0.108 R)
• M17: 28,489,867 km (0.095 R)
• M18: 29,512,369 km (0.1 R)
• M19: 34,609,168 km (0.08 R)
• M20: 43,904,581 km (0.112 R)
• M21: 47,601,444 km (0.078 R)
• M22: 50,178,118 km (0.046 R)
• M23: 50,836,498 km (0.105 R)
• M24: 57,202,187 km (0.087 R)
• M25: 58,463,446 km (0.105 R)
• M26: 59,192,437 km (0.119 R)
• M27: 61,041,317 km (0.077 R)
• M28: 64,659,640 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 14,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit