🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.5

Radius: 12.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.96 AU - 1.16 AU

Year: 705 Days

Day: 12.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,231,869 km

• M1: 160,668 km (0.045 R)
• M2: 606,320 km (0.046 R)
• M3: 1,914,254 km (0.05 R)
• M4: 2,326,845 km (0.092 R)
• M5: 2,822,613 km (0.112 R)
• M6: 3,575,688 km (0.075 R)
• M7: 4,538,650 km (0.1 R)
• M8: 5,445,961 km (0.113 R)
• M9: 6,636,162 km (0.077 R)
• M10: 7,393,426 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.6

Radius: 14.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.4 AU - 1.8 AU

Year: 1307 Days

Day: 5.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,231,869 km

• M1: 176,525 km (0.038 R)
• M2: 1,344,586 km (0.049 R)
• M3: 1,963,622 km (0.084 R)
• M4: 2,633,820 km (0.049 R)
• M5: 3,197,954 km (0.105 R)
• M6: 4,867,765 km (0.077 R)
• M7: 6,255,136 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 10

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.79 AU - 1.91 AU

Year: 1625 Days

Day: 9.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,231,869 km

• M1: 124,914 km (0.109 R)
• M2: 509,082 km (0.086 R)
• M3: 1,017,116 km (0.069 R)
• M4: 1,467,705 km (0.108 R)
• M5: 2,340,608 km (0.071 R)
• M6: 2,934,961 km (0.118 R)
• M7: 3,362,362 km (0.069 R)
• M8: 3,771,961 km (0.064 R)
• M9: 4,899,779 km (0.073 R)
• M10: 6,427,473 km (0.048 R)
• M11: 7,521,781 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.3

Radius: 13.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.82 AU - 2.46 AU

Year: 2021 Days

Day: 10.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,231,869 km

• M1: 169,195 km (0.085 R)
• M2: 592,108 km (0.093 R)
• M3: 1,220,868 km (0.112 R)
• M4: 1,911,861 km (0.05 R)
• M5: 2,343,002 km (0.089 R)
• M6: 2,924,638 km (0.064 R)
• M7: 3,423,248 km (0.116 R)
• M8: 4,158,372 km (0.068 R)
• M9: 5,038,456 km (0.105 R)
• M10: 5,783,005 km (0.037 R)
• M11: 6,524,711 km (0.101 R)
• M12: 7,168,431 km (0.12 R)
• M13: 7,741,540 km (0.039 R)
• M14: 10,587,341 km (0.077 R)
• M15: 12,340,628 km (0.03 R)
• M16: 13,777,365 km (0.062 R)
• M17: 14,365,285 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935

Radius: 8.6

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.48 AU - 3.06 AU

Year: 2977 Days

Day: 9.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,231,869 km

• M1: 108,309 km (0.062 R)
• M2: 526,435 km (0.066 R)
• M3: 970,441 km (0.036 R)
• M4: 1,662,930 km (0.064 R)
• M5: 3,074,386 km (0.057 R)
• M6: 3,424,894 km (0.105 R)
• M7: 5,102,783 km (0.089 R)
• M8: 9,324,585 km (0.091 R)
• M9: 9,669,258 km (0.095 R)
• M10: 11,565,561 km (0.085 R)
• M11: 11,919,061 km (0.102 R)
• M12: 12,694,127 km (0.117 R)
• M13: 13,844,984 km (0.088 R)
• M14: 14,344,491 km (0.099 R)
• M15: 15,011,847 km (0.065 R)
• M16: 16,408,343 km (0.108 R)
• M17: 19,457,597 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155

Radius: 9.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.87 AU - 3.63 AU

Year: 3783 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,231,869 km

• M1: 119,529 km (0.087 R)
• M2: 704,756 km (0.055 R)
• M3: 1,141,432 km (0.074 R)
• M4: 1,464,264 km (0.085 R)
• M5: 2,312,933 km (0.103 R)
• M6: 2,971,313 km (0.114 R)
• M7: 3,442,995 km (0.1 R)
• M8: 3,767,174 km (0.089 R)
• M9: 4,577,246 km (0.099 R)
• M10: 5,142,576 km (0.045 R)
• M11: 6,540,120 km (0.067 R)
• M12: 8,265,282 km (0.093 R)
• M13: 10,239,825 km (0.087 R)
• M14: 13,997,274 km (0.076 R)
• M15: 15,278,281 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.1

Radius: 8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.98 AU - 4.12 AU

Year: 4319 Days

Day: 10.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,231,869 km

• M1: 102,923 km (0.067 R)
• M2: 746,194 km (0.115 R)
• M3: 1,221,467 km (0.068 R)
• M4: 1,757,775 km (0.118 R)
• M5: 3,522,431 km (0.088 R)
• M6: 4,364,817 km (0.06 R)
• M7: 6,657,554 km (0.068 R)
• M8: 8,637,033 km (0.038 R)
• M9: 10,711,507 km (0.089 R)
• M10: 11,529,209 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991

Radius: 10.8

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.17 AU - 5.13 AU

Year: 5459 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,231,869 km

• M1: 134,488 km (0.1 R)
• M2: 732,431 km (0.114 R)
• M3: 1,602,792 km (0.085 R)
• M4: 2,864,650 km (0.099 R)
• M5: 3,399,761 km (0.086 R)
• M6: 4,536,256 km (0.05 R)
• M7: 6,469,659 km (0.059 R)
• M8: 14,991,053 km (0.1 R)
• M9: 15,721,539 km (0.07 R)
• M10: 19,023,314 km (0.086 R)
• M11: 19,879,612 km (0.091 R)
• M12: 21,669,102 km (0.059 R)
• M13: 22,840,752 km (0.063 R)
• M14: 25,910,501 km (0.108 R)
• M15: 29,245,187 km (0.092 R)
• M16: 32,957,159 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.3

Radius: 6.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.37 AU - 7.31 AU

Year: 11550 Days

Day: 20 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,231,869 km

• M1: 149,448 km (0.091 R)
• M2: 362,476 km (0.057 R)
• M3: 589,715 km (0.067 R)
• M4: 1,022,801 km (0.107 R)
• M5: 1,362,388 km (0.093 R)
• M6: 2,003,714 km (0.107 R)
• M7: 2,252,196 km (0.106 R)
• M8: 2,621,104 km (0.118 R)
• M9: 3,123,753 km (0.078 R)
• M10: 3,438,806 km (0.07 R)
• M11: 4,295,703 km (0.067 R)
• M12: 4,536,705 km (0.107 R)
• M13: 4,761,251 km (0.116 R)
• M14: 5,763,856 km (0.061 R)
• M15: 6,932,964 km (0.064 R)
• M16: 8,512,119 km (0.082 R)
• M17: 10,062,701 km (0.099 R)
• M18: 10,359,802 km (0.107 R)
• M19: 12,075,241 km (0.118 R)
• M20: 15,772,403 km (0.093 R)
• M21: 16,115,730 km (0.102 R)
• M22: 19,498,287 km (0.106 R)
• M23: 23,846,499 km (0.074 R)
• M24: 24,374,729 km (0.079 R)
• M25: 25,847,670 km (0.1 R)
• M26: 26,970,252 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.5

Radius: 3.3

Gravity: 36.87 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.06 AU - 9.74 AU

Year: 15719 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 54,231,869 km

• M1: 40,990 km (0.104 R)
• M2: 231,278 km (0.091 R)
• M3: 367,712 km (0.101 R)
• M4: 625,917 km (0.112 R)
• M5: 1,084,136 km (0.045 R)
• M6: 1,376,450 km (0.106 R)
• M7: 2,266,258 km (0.105 R)
• M8: 3,280,382 km (0.051 R)
• M9: 3,998,901 km (0.111 R)
• M10: 4,113,493 km (0.093 R)
• M11: 4,379,777 km (0.088 R)
• M12: 5,315,811 km (0.118 R)
• M13: 5,739,472 km (0.067 R)
• M14: 7,442,943 km (0.091 R)
• M15: 8,200,506 km (0.11 R)
• M16: 9,660,133 km (0.11 R)
• M17: 10,945,927 km (0.097 R)
• M18: 11,341,314 km (0.086 R)
• M19: 12,893,840 km (0.093 R)
• M20: 13,334,855 km (0.065 R)
• M21: 18,469,652 km (0.071 R)
• M22: 20,436,715 km (0.106 R)
• M23: 21,646,213 km (0.053 R)
• M24: 22,629,520 km (0.104 R)
• M25: 23,829,445 km (0.068 R)
• M26: 24,112,334 km (0.083 R)
• M27: 29,161,412 km (0.097 R)
• M28: 32,505,523 km (0.056 R)
• M29: 36,220,337 km (0.108 R)
• M30: 36,344,653 km (0.093 R)
• M31: 36,970,571 km (0.107 R)
• M32: 37,731,126 km (0.112 R)
• M33: 39,152,456 km (0.106 R)
• M34: 40,877,618 km (0.108 R)
• M35: 41,690,832 km (0.092 R)
• M36: 44,478,888 km (0.073 R)
• M37: 46,796,907 km (0.106 R)
• M38: 47,686,565 km (0.112 R)
• M39: 52,941,639 km (0.115 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: 463 - 19,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit