🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.5

Radius: 11.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.47 AU - 0.77 AU

Year: 343 Days

Day: 13.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,215,029 km

• M1: 147,952 km (0.104 R)
• M2: 546,032 km (0.105 R)
• M3: 943,514 km (0.117 R)
• M4: 1,345,932 km (0.068 R)
• M5: 1,847,683 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.8

Radius: 13.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.05 AU - 1.57 AU

Year: 1054 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 67.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,215,029 km

• M1: 167,699 km (0.05 R)
• M2: 647,759 km (0.1 R)
• M3: 1,159,533 km (0.051 R)
• M4: 1,640,789 km (0.11 R)
• M5: 2,773,245 km (0.068 R)
• M6: 3,199,150 km (0.11 R)
• M7: 3,641,063 km (0.108 R)
• M8: 4,373,195 km (0.068 R)
• M9: 5,456,732 km (0.072 R)
• M10: 6,314,526 km (0.072 R)
• M11: 8,323,027 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.6

Radius: 10.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.58 AU - 1.93 AU

Year: 1627 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,215,029 km

• M1: 131,347 km (0.045 R)
• M2: 462,407 km (0.055 R)
• M3: 832,363 km (0.113 R)
• M4: 1,196,783 km (0.102 R)
• M5: 1,578,706 km (0.112 R)
• M6: 2,834,281 km (0.108 R)
• M7: 4,275,058 km (0.087 R)
• M8: 4,714,577 km (0.073 R)
• M9: 5,073,013 km (0.113 R)
• M10: 5,946,665 km (0.1 R)
• M11: 8,218,907 km (0.028 R)
• M12: 8,766,585 km (0.108 R)
• M13: 9,227,795 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.2

Radius: 10.5

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.78 AU - 2.18 AU

Year: 1958 Days

Day: 7.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,215,029 km

• M1: 130,599 km (0.053 R)
• M2: 533,765 km (0.117 R)
• M3: 914,791 km (0.105 R)
• M4: 1,281,306 km (0.045 R)
• M5: 1,683,126 km (0.064 R)
• M6: 2,081,954 km (0.083 R)
• M7: 2,792,095 km (0.086 R)
• M8: 3,171,026 km (0.117 R)
• M9: 3,975,414 km (0.078 R)
• M10: 6,511,247 km (0.106 R)
• M11: 7,010,455 km (0.101 R)
• M12: 7,357,223 km (0.116 R)
• M13: 8,085,466 km (0.089 R)
• M14: 8,761,498 km (0.093 R)
• M15: 9,370,511 km (0.056 R)
• M16: 12,010,764 km (0.098 R)
• M17: 12,933,933 km (0.05 R)
• M18: 15,159,351 km (0.104 R)
• M19: 15,545,463 km (0.098 R)
• M20: 16,794,755 km (0.059 R)
• M21: 17,628,613 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 8.6

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.98 AU - 2.9 AU

Year: 2679 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,215,029 km

• M1: 107,860 km (0.104 R)
• M2: 415,882 km (0.109 R)
• M3: 850,165 km (0.103 R)
• M4: 1,393,055 km (0.066 R)
• M5: 1,951,654 km (0.118 R)
• M6: 2,283,163 km (0.061 R)
• M7: 2,682,290 km (0.119 R)
• M8: 3,044,466 km (0.118 R)
• M9: 3,421,154 km (0.088 R)
• M10: 5,541,404 km (0.062 R)
• M11: 5,869,921 km (0.026 R)
• M12: 6,292,086 km (0.077 R)
• M13: 6,762,721 km (0.114 R)
• M14: 7,079,719 km (0.1 R)
• M15: 7,466,879 km (0.063 R)
• M16: 8,122,416 km (0.105 R)
• M17: 8,952,086 km (0.084 R)
• M18: 9,264,297 km (0.112 R)
• M19: 10,244,612 km (0.054 R)
• M20: 10,740,678 km (0.095 R)
• M21: 11,053,787 km (0.093 R)
• M22: 12,029,913 km (0.079 R)
• M23: 13,150,999 km (0.088 R)
• M24: 14,387,426 km (0.059 R)
• M25: 15,699,549 km (0.102 R)
• M26: 16,307,664 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.2

Radius: 13.7

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.86 AU - 3.06 AU

Year: 2712 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,215,029 km

• M1: 170,691 km (0.112 R)
• M2: 820,096 km (0.083 R)
• M3: 1,266,944 km (0.118 R)
• M4: 1,941,182 km (0.059 R)
• M5: 2,376,811 km (0.104 R)
• M6: 4,346,865 km (0.09 R)
• M7: 5,870,520 km (0.098 R)
• M8: 7,694,716 km (0.116 R)
• M9: 8,139,770 km (0.119 R)
• M10: 8,805,331 km (0.1 R)
• M11: 9,363,780 km (0.073 R)
• M12: 10,629,228 km (0.043 R)
• M13: 13,136,488 km (0.048 R)
• M14: 15,259,581 km (0.069 R)
• M15: 16,066,811 km (0.058 R)
• M16: 17,008,829 km (0.074 R)
• M17: 17,547,980 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 14.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.26 AU - 2.84 AU

Year: 2862 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,215,029 km

• M1: 177,722 km (0.117 R)
• M2: 675,584 km (0.058 R)
• M3: 1,235,978 km (0.067 R)
• M4: 3,569,106 km (0.112 R)
• M5: 4,339,984 km (0.088 R)
• M6: 5,624,132 km (0.051 R)
• M7: 6,104,640 km (0.065 R)
• M8: 11,206,077 km (0.086 R)
• M9: 13,985,606 km (0.108 R)
• M10: 15,328,995 km (0.097 R)
• M11: 19,391,474 km (0.117 R)
• M12: 20,183,595 km (0.105 R)
• M13: 21,315,752 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.5

Radius: 14.2

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.82 AU - 3.44 AU

Year: 3892 Days

Day: 12.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,215,029 km

• M1: 178,171 km (0.107 R)
• M2: 693,237 km (0.111 R)
• M3: 1,284,597 km (0.049 R)
• M4: 1,941,332 km (0.11 R)
• M5: 2,520,275 km (0.106 R)
• M6: 3,152,626 km (0.066 R)
• M7: 3,682,352 km (0.088 R)
• M8: 5,154,843 km (0.12 R)
• M9: 5,640,438 km (0.079 R)
• M10: 11,063,211 km (0.083 R)
• M11: 12,687,994 km (0.11 R)
• M12: 14,294,675 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.7

Radius: 14.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.68 AU - 3.86 AU

Year: 5145 Days

Day: 9.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,215,029 km

• M1: 185,651 km (0.069 R)
• M2: 1,361,939 km (0.067 R)
• M3: 1,890,169 km (0.088 R)
• M4: 2,397,455 km (0.112 R)
• M5: 3,097,274 km (0.054 R)
• M6: 3,618,473 km (0.074 R)
• M7: 4,522,493 km (0.108 R)
• M8: 5,420,529 km (0.092 R)
• M9: 6,809,396 km (0.098 R)
• M10: 8,122,416 km (0.08 R)
• M11: 9,823,045 km (0.064 R)
• M12: 10,918,999 km (0.092 R)
• M13: 13,494,027 km (0.079 R)
• M14: 14,798,221 km (0.108 R)
• M15: 19,574,881 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.7

Radius: 3.9

Gravity: 49.75 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.18 AU - 6.72 AU

Year: 10202 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,215,029 km

• M1: 48,919 km (0.096 R)
• M2: 282,142 km (0.097 R)
• M3: 691,292 km (0.118 R)
• M4: 961,166 km (0.095 R)
• M5: 1,161,627 km (0.041 R)
• M6: 2,180,987 km (0.092 R)
• M7: 2,448,020 km (0.088 R)
• M8: 3,660,062 km (0.104 R)
• M9: 3,899,568 km (0.088 R)
• M10: 4,650,399 km (0.114 R)
• M11: 5,256,869 km (0.098 R)
• M12: 5,424,868 km (0.084 R)
• M13: 5,561,899 km (0.081 R)
• M14: 6,940,743 km (0.077 R)
• M15: 7,474,957 km (0.05 R)
• M16: 8,671,141 km (0.095 R)
• M17: 8,811,464 km (0.097 R)
• M18: 9,786,094 km (0.107 R)
• M19: 9,938,235 km (0.063 R)
• M20: 15,408,581 km (0.079 R)
• M21: 16,385,754 km (0.103 R)
• M22: 16,744,490 km (0.113 R)
• M23: 18,232,240 km (0.107 R)
• M24: 21,043,633 km (0.03 R)
• M25: 26,023,746 km (0.074 R)
• M26: 27,105,937 km (0.033 R)
• M27: 29,045,175 km (0.037 R)
• M28: 29,464,946 km (0.082 R)
• M29: 30,102,084 km (0.038 R)
• M30: 30,965,862 km (0.078 R)
• M31: 35,295,224 km (0.065 R)
• M32: 35,653,361 km (0.096 R)
• M33: 36,864,206 km (0.1 R)
• M34: 40,792,048 km (0.069 R)
• M35: 44,710,615 km (0.084 R)
• M36: 46,260,299 km (0.116 R)
• M37: 49,914,676 km (0.111 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: 522 - 19,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit