🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.9

Radius: 13.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.43 AU - 0.63 AU

Year: 266 Days

Day: 6.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,180,977 km

• M1: 164,109 km (0.075 R)
• M2: 607,218 km (0.105 R)
• M3: 1,219,372 km (0.106 R)
• M4: 1,917,845 km (0.076 R)
• M5: 2,511,748 km (0.067 R)
• M6: 3,196,458 km (0.11 R)
• M7: 3,698,059 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 13.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.79 AU - 0.87 AU

Year: 522 Days

Day: 7.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,180,977 km

• M1: 167,849 km (0.065 R)
• M2: 598,840 km (0.103 R)
• M3: 1,123,929 km (0.078 R)
• M4: 1,698,833 km (0.103 R)
• M5: 2,138,801 km (0.098 R)
• M6: 2,910,576 km (0.114 R)
• M7: 3,368,944 km (0.058 R)
• M8: 4,796,257 km (0.117 R)
• M9: 5,369,965 km (0.105 R)
• M10: 7,007,164 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.8

Radius: 14.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.99 AU - 1.15 AU

Year: 764 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,180,977 km

• M1: 178,620 km (0.089 R)
• M2: 800,049 km (0.086 R)
• M3: 1,262,157 km (0.074 R)
• M4: 1,727,257 km (0.05 R)
• M5: 2,237,535 km (0.111 R)
• M6: 2,703,832 km (0.054 R)
• M7: 3,400,360 km (0.096 R)
• M8: 3,903,158 km (0.094 R)
• M9: 5,091,713 km (0.116 R)
• M10: 5,582,693 km (0.078 R)
• M11: 6,177,494 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 10

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.45 AU - 2.01 AU

Year: 1571 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,180,977 km

• M1: 124,615 km (0.098 R)
• M2: 510,129 km (0.1 R)
• M3: 873,053 km (0.11 R)
• M4: 1,187,508 km (0.088 R)
• M5: 1,513,033 km (0.109 R)
• M6: 1,988,604 km (0.101 R)
• M7: 2,415,407 km (0.117 R)
• M8: 2,829,345 km (0.078 R)
• M9: 3,488,473 km (0.113 R)
• M10: 3,982,744 km (0.109 R)
• M11: 4,706,798 km (0.111 R)
• M12: 5,133,451 km (0.047 R)
• M13: 5,447,457 km (0.064 R)
• M14: 6,040,164 km (0.069 R)
• M15: 7,930,034 km (0.084 R)
• M16: 10,900,898 km (0.076 R)
• M17: 13,800,703 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 9.6

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.51 AU - 2.13 AU

Year: 1695 Days

Day: 12.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,180,977 km

• M1: 119,828 km (0.12 R)
• M2: 527,931 km (0.089 R)
• M3: 971,788 km (0.077 R)
• M4: 1,333,964 km (0.069 R)
• M5: 1,716,037 km (0.085 R)
• M6: 2,078,363 km (0.102 R)
• M7: 2,478,837 km (0.113 R)
• M8: 2,887,089 km (0.093 R)
• M9: 3,261,383 km (0.087 R)
• M10: 3,718,853 km (0.067 R)
• M11: 4,926,856 km (0.12 R)
• M12: 6,912,020 km (0.062 R)
• M13: 7,725,234 km (0.097 R)
• M14: 8,096,985 km (0.113 R)
• M15: 8,450,634 km (0.098 R)
• M16: 9,220,614 km (0.051 R)
• M17: 9,737,475 km (0.051 R)
• M18: 11,006,813 km (0.109 R)
• M19: 12,774,312 km (0.108 R)
• M20: 13,622,233 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 9.1

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.73 AU - 3.57 AU

Year: 3859 Days

Day: 15 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,180,977 km

• M1: 113,844 km (0.083 R)
• M2: 449,542 km (0.087 R)
• M3: 739,761 km (0.105 R)
• M4: 2,530,149 km (0.083 R)
• M5: 2,819,770 km (0.04 R)
• M6: 3,183,143 km (0.095 R)
• M7: 3,729,176 km (0.062 R)
• M8: 4,508,880 km (0.069 R)
• M9: 5,102,335 km (0.089 R)
• M10: 8,469,932 km (0.075 R)
• M11: 9,053,663 km (0.072 R)
• M12: 10,416,500 km (0.103 R)
• M13: 15,775,544 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 13

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.16 AU - 3.86 AU

Year: 4539 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,180,977 km

• M1: 476,320 km (0.073 R)
• M2: 1,828,236 km (0.092 R)
• M3: 2,797,031 km (0.096 R)
• M4: 3,232,212 km (0.117 R)
• M5: 4,205,944 km (0.109 R)
• M6: 5,159,182 km (0.112 R)
• M7: 5,665,571 km (0.094 R)
• M8: 6,205,170 km (0.07 R)
• M9: 6,705,126 km (0.101 R)
• M10: 7,309,651 km (0.109 R)
• M11: 7,813,646 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 14.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.07 AU - 5.93 AU

Year: 7717 Days

Day: 14.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,180,977 km

• M1: 182,958 km (0.119 R)
• M2: 720,912 km (0.095 R)
• M3: 1,378,544 km (0.039 R)
• M4: 2,043,657 km (0.1 R)
• M5: 2,740,633 km (0.108 R)
• M6: 3,364,456 km (0.077 R)
• M7: 4,005,782 km (0.073 R)
• M8: 5,473,038 km (0.069 R)
• M9: 6,718,440 km (0.062 R)
• M10: 7,941,403 km (0.092 R)
• M11: 8,436,572 km (0.113 R)
• M12: 13,176,580 km (0.109 R)
• M13: 14,777,278 km (0.096 R)
• M14: 17,382,076 km (0.071 R)
• M15: 18,219,824 km (0.038 R)
• M16: 20,127,496 km (0.049 R)
• M17: 20,973,472 km (0.119 R)
• M18: 22,490,544 km (0.084 R)
• M19: 25,921,721 km (0.108 R)
• M20: 27,574,029 km (0.101 R)
• M21: 30,582,891 km (0.059 R)
• M22: 33,163,754 km (0.064 R)
• M23: 34,019,603 km (0.086 R)
• M24: 35,330,679 km (0.12 R)
• M25: 37,475,314 km (0.109 R)
• M26: 40,670,425 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.4

Radius: 6.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.2 AU - 7.18 AU

Year: 10630 Days

Day: 24.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 170.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,180,977 km

• M1: 75,996 km (0.056 R)
• M2: 802,742 km (0.105 R)
• M3: 1,465,610 km (0.073 R)
• M4: 2,412,565 km (0.096 R)
• M5: 3,151,130 km (0.118 R)
• M6: 3,632,835 km (0.082 R)
• M7: 4,645,911 km (0.066 R)
• M8: 4,938,525 km (0.079 R)
• M9: 5,295,465 km (0.11 R)
• M10: 5,975,388 km (0.119 R)
• M11: 6,469,958 km (0.079 R)
• M12: 8,048,665 km (0.054 R)
• M13: 8,688,196 km (0.105 R)
• M14: 9,132,800 km (0.119 R)
• M15: 9,947,510 km (0.095 R)
• M16: 15,020,973 km (0.11 R)
• M17: 16,599,529 km (0.106 R)
• M18: 16,882,419 km (0.072 R)
• M19: 18,046,440 km (0.068 R)
• M20: 19,450,117 km (0.118 R)
• M21: 19,891,430 km (0.114 R)
• M22: 22,680,384 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.5

Radius: 4.9

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.93 AU - 7.95 AU

Year: 11281 Days

Day: 19.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,180,977 km

• M1: 61,186 km (0.098 R)
• M2: 312,660 km (0.073 R)
• M3: 853,905 km (0.075 R)
• M4: 1,016,817 km (0.09 R)
• M5: 1,382,733 km (0.061 R)
• M6: 1,920,388 km (0.11 R)
• M7: 2,717,894 km (0.086 R)
• M8: 2,892,774 km (0.109 R)
• M9: 3,883,262 km (0.067 R)
• M10: 4,415,381 km (0.09 R)
• M11: 6,070,382 km (0.05 R)
• M12: 6,269,198 km (0.099 R)
• M13: 7,516,994 km (0.078 R)
• M14: 9,574,114 km (0.089 R)
• M15: 9,980,422 km (0.086 R)
• M16: 11,670,579 km (0.06 R)
• M17: 12,291,559 km (0.086 R)
• M18: 13,043,438 km (0.11 R)
• M19: 13,768,689 km (0.051 R)
• M20: 15,544,266 km (0.092 R)
• M21: 16,105,258 km (0.074 R)
• M22: 16,486,733 km (0.099 R)
• M23: 18,209,801 km (0.074 R)
• M24: 21,393,094 km (0.041 R)
• M25: 26,304,841 km (0.108 R)
• M26: 27,640,451 km (0.117 R)
• M27: 29,490,827 km (0.062 R)
• M28: 29,870,506 km (0.049 R)
• M29: 32,418,756 km (0.117 R)
• M30: 32,823,269 km (0.038 R)
• M31: 33,849,061 km (0.041 R)
• M32: 35,108,227 km (0.081 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: 202 - 13,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit