🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.64 AU - 0.68 AU

Year: 346 Days

Day: 35 Hours

Environment

Temp: -143 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,949,044 km

• M1: 48,171 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.8

Radius: 13.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.83 AU - 1.19 AU

Year: 655 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,949,044 km

• M1: 171,888 km (0.112 R)
• M2: 1,371,812 km (0.104 R)
• M3: 1,925,325 km (0.117 R)
• M4: 2,359,757 km (0.043 R)
• M5: 4,150,892 km (0.063 R)
• M6: 5,246,248 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 8.2

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.82 AU - 1.22 AU

Year: 665 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,949,044 km

• M1: 102,026 km (0.115 R)
• M2: 366,964 km (0.081 R)
• M3: 693,087 km (0.056 R)
• M4: 948,451 km (0.077 R)
• M5: 1,289,085 km (0.118 R)
• M6: 1,986,959 km (0.099 R)
• M7: 2,345,844 km (0.115 R)
• M8: 2,903,545 km (0.073 R)
• M9: 3,776,449 km (0.091 R)
• M10: 5,408,262 km (0.073 R)
• M11: 6,213,697 km (0.057 R)
• M12: 7,533,450 km (0.066 R)
• M13: 8,334,247 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 12.4

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.93 AU - 1.31 AU

Year: 765 Days

Day: 11.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,949,044 km

• M1: 154,235 km (0.028 R)
• M2: 683,213 km (0.065 R)
• M3: 1,102,836 km (0.114 R)
• M4: 1,524,253 km (0.065 R)
• M5: 2,088,835 km (0.088 R)
• M6: 2,498,284 km (0.081 R)
• M7: 2,885,893 km (0.083 R)
• M8: 3,707,634 km (0.077 R)
• M9: 4,400,272 km (0.092 R)
• M10: 5,145,269 km (0.118 R)
• M11: 5,573,867 km (0.049 R)
• M12: 6,243,168 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 10.3

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.2 AU - 1.64 AU

Year: 1093 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,949,044 km

• M1: 128,355 km (0.07 R)
• M2: 456,872 km (0.059 R)
• M3: 851,511 km (0.086 R)
• M4: 1,470,397 km (0.106 R)
• M5: 2,412,116 km (0.097 R)
• M6: 3,165,491 km (0.069 R)
• M7: 3,539,486 km (0.04 R)
• M8: 6,313,629 km (0.096 R)
• M9: 7,615,579 km (0.041 R)
• M10: 8,736,964 km (0.067 R)
• M11: 9,116,045 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 14.9

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.47 AU - 2.05 AU

Year: 1508 Days

Day: 10.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,949,044 km

• M1: 185,352 km (0.104 R)
• M2: 698,323 km (0.113 R)
• M3: 1,185,563 km (0.096 R)
• M4: 1,818,811 km (0.078 R)
• M5: 2,634,867 km (0.09 R)
• M6: 3,129,139 km (0.11 R)
• M7: 3,804,872 km (0.103 R)
• M8: 5,042,645 km (0.056 R)
• M9: 5,812,775 km (0.099 R)
• M10: 7,841,621 km (0.102 R)
• M11: 10,003,161 km (0.04 R)
• M12: 10,934,856 km (0.112 R)
• M13: 11,810,901 km (0.075 R)
• M14: 12,420,662 km (0.11 R)
• M15: 12,931,539 km (0.066 R)
• M16: 13,415,488 km (0.117 R)
• M17: 14,419,888 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 8.8

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.38 AU - 3.2 AU

Year: 3009 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,949,044 km

• M1: 112,946 km (0.086 R)
• M2: 413,339 km (0.076 R)
• M3: 857,046 km (0.117 R)
• M4: 1,143,526 km (0.116 R)
• M5: 1,784,852 km (0.083 R)
• M6: 2,152,713 km (0.061 R)
• M7: 2,465,074 km (0.097 R)
• M8: 3,008,114 km (0.077 R)
• M9: 3,867,105 km (0.046 R)
• M10: 4,532,516 km (0.079 R)
• M11: 6,428,669 km (0.105 R)
• M12: 7,488,271 km (0.086 R)
• M13: 7,943,348 km (0.116 R)
• M14: 8,279,494 km (0.094 R)
• M15: 9,198,175 km (0.064 R)
• M16: 9,494,079 km (0.108 R)
• M17: 10,027,396 km (0.118 R)
• M18: 10,460,182 km (0.075 R)
• M19: 11,490,463 km (0.07 R)
• M20: 13,465,753 km (0.066 R)
• M21: 14,041,555 km (0.047 R)
• M22: 14,834,574 km (0.064 R)
• M23: 15,139,604 km (0.097 R)
• M24: 15,500,733 km (0.088 R)
• M25: 16,347,756 km (0.066 R)
• M26: 19,495,595 km (0.119 R)
• M27: 20,170,431 km (0.061 R)
• M28: 22,023,948 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.8

Radius: 7.8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.43 AU - 8.09 AU

Year: 12630 Days

Day: 19.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,949,044 km

• M1: 97,239 km (0.118 R)
• M2: 395,537 km (0.117 R)
• M3: 769,382 km (0.066 R)
• M4: 1,032,375 km (0.066 R)
• M5: 2,346,592 km (0.1 R)
• M6: 2,959,046 km (0.112 R)
• M7: 3,266,170 km (0.052 R)
• M8: 4,498,258 km (0.114 R)
• M9: 5,903,581 km (0.087 R)
• M10: 8,764,640 km (0.046 R)
• M11: 10,015,428 km (0.047 R)
• M12: 10,385,982 km (0.101 R)
• M13: 11,042,567 km (0.109 R)
• M14: 11,610,590 km (0.083 R)
• M15: 13,053,162 km (0.029 R)
• M16: 13,304,786 km (0.047 R)
• M17: 14,814,677 km (0.115 R)
• M18: 15,787,811 km (0.083 R)
• M19: 17,251,028 km (0.054 R)
• M20: 19,530,152 km (0.116 R)
• M21: 19,859,566 km (0.073 R)
• M22: 24,390,586 km (0.089 R)
• M23: 28,709,776 km (0.067 R)
• M24: 29,135,831 km (0.073 R)
• M25: 29,891,450 km (0.113 R)
• M26: 32,351,288 km (0.101 R)
• M27: 32,812,647 km (0.103 R)
• M28: 40,136,510 km (0.062 R)
• M29: 41,071,796 km (0.108 R)
• M30: 41,885,010 km (0.086 R)
• M31: 45,388,892 km (0.06 R)
• M32: 51,237,570 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845

Radius: 4.6

Gravity: 39.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.09 AU - 9.31 AU

Year: 13796 Days

Day: 15.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,949,044 km

• M1: 57,595 km (0.107 R)
• M2: 239,506 km (0.104 R)
• M3: 410,197 km (0.119 R)
• M4: 926,160 km (0.064 R)
• M5: 1,175,989 km (0.073 R)
• M6: 1,775,727 km (0.106 R)
• M7: 2,857,020 km (0.09 R)
• M8: 3,177,908 km (0.084 R)
• M9: 4,161,514 km (0.071 R)
• M10: 4,739,261 km (0.089 R)
• M11: 6,921,893 km (0.025 R)
• M12: 7,273,897 km (0.093 R)
• M13: 10,135,555 km (0.091 R)
• M14: 10,647,030 km (0.067 R)
• M15: 10,997,388 km (0.088 R)
• M16: 12,476,163 km (0.072 R)
• M17: 15,226,819 km (0.118 R)
• M18: 19,632,626 km (0.101 R)
• M19: 20,426,093 km (0.06 R)
• M20: 23,617,016 km (0.093 R)
• M21: 29,570,862 km (0.106 R)
• M22: 33,758,405 km (0.116 R)
• M23: 34,640,733 km (0.113 R)
• M24: 37,917,824 km (0.054 R)
• M25: 41,252,510 km (0.117 R)
• M26: 42,260,800 km (0.062 R)
• M27: 42,551,768 km (0.094 R)
• M28: 47,706,611 km (0.077 R)
• M29: 48,180,388 km (0.04 R)
• M30: 51,254,624 km (0.086 R)
• M31: 59,051,964 km (0.052 R)
• M32: 63,326,275 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.9

Radius: 4.4

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.37 AU - 8.57 AU

Year: 14528 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,949,044 km

• M1: 66,122 km (0.057 R)
• M2: 1,162,525 km (0.066 R)
• M3: 3,703,594 km (0.095 R)
• M4: 4,406,405 km (0.05 R)
• M5: 5,688,908 km (0.049 R)
• M6: 6,733,849 km (0.039 R)
• M7: 8,201,105 km (0.09 R)
• M8: 9,673,447 km (0.037 R)
• M9: 10,834,626 km (0.044 R)
• M10: 11,585,158 km (0.111 R)
• M11: 12,775,209 km (0.085 R)
• M12: 13,429,850 km (0.039 R)
• M13: 19,649,680 km (0.074 R)
• M14: 19,884,848 km (0.076 R)
• M15: 38,173,786 km (0.106 R)
• M16: 40,913,372 km (0.089 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 16,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit