🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.53 AU - 0.63 AU

Year: 290 Days

Day: 30.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 170 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.3

Radius: 13.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.92 AU - 1.38 AU

Year: 809 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,877,612 km

• M1: 173,234 km (0.034 R)
• M2: 1,017,714 km (0.111 R)
• M3: 1,558,211 km (0.052 R)
• M4: 2,878,562 km (0.112 R)
• M5: 3,591,246 km (0.039 R)
• M6: 4,152,538 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 12.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.92 AU - 1.5 AU

Year: 873 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,877,612 km

• M1: 159,172 km (0.087 R)
• M2: 628,760 km (0.098 R)
• M3: 1,274,574 km (0.108 R)
• M4: 1,802,056 km (0.09 R)
• M5: 2,307,697 km (0.115 R)
• M6: 2,733,153 km (0.078 R)
• M7: 3,308,207 km (0.034 R)
• M8: 3,806,817 km (0.119 R)
• M9: 5,277,663 km (0.084 R)
• M10: 5,837,010 km (0.082 R)
• M11: 6,524,562 km (0.03 R)
• M12: 7,028,108 km (0.074 R)
• M13: 7,459,249 km (0.083 R)
• M14: 8,696,423 km (0.057 R)
• M15: 9,798,810 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.2

Radius: 14.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.73 AU - 2.27 AU

Year: 1855 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,877,612 km

• M1: 176,675 km (0.112 R)
• M2: 646,263 km (0.096 R)
• M3: 1,222,514 km (0.114 R)
• M4: 1,706,463 km (0.049 R)
• M5: 2,378,008 km (0.081 R)
• M6: 2,862,555 km (0.115 R)
• M7: 3,504,031 km (0.095 R)
• M8: 4,000,845 km (0.119 R)
• M9: 4,883,024 km (0.055 R)
• M10: 6,068,587 km (0.082 R)
• M11: 7,386,844 km (0.104 R)
• M12: 8,459,909 km (0.105 R)
• M13: 9,093,157 km (0.094 R)
• M14: 9,819,903 km (0.051 R)
• M15: 10,422,484 km (0.037 R)
• M16: 10,982,428 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.9

Radius: 14.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.59 AU - 2.41 AU

Year: 1855 Days

Day: 12.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,877,612 km

• M1: 180,565 km (0.094 R)
• M2: 777,011 km (0.09 R)
• M3: 1,319,154 km (0.118 R)
• M4: 2,259,676 km (0.056 R)
• M5: 2,738,838 km (0.103 R)
• M6: 3,333,938 km (0.046 R)
• M7: 3,960,753 km (0.111 R)
• M8: 5,231,587 km (0.066 R)
• M9: 6,253,041 km (0.064 R)
• M10: 9,784,449 km (0.091 R)
• M11: 10,399,446 km (0.094 R)
• M12: 12,878,581 km (0.081 R)
• M13: 13,744,155 km (0.092 R)
• M14: 14,212,845 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.3

Radius: 12.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.71 AU - 2.95 AU

Year: 3123 Days

Day: 9.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,877,612 km

• M1: 218,263 km (0.086 R)
• M2: 678,426 km (0.09 R)
• M3: 1,067,830 km (0.079 R)
• M4: 1,453,792 km (0.085 R)
• M5: 2,287,651 km (0.112 R)
• M6: 2,698,596 km (0.113 R)
• M7: 3,382,557 km (0.097 R)
• M8: 4,179,017 km (0.051 R)
• M9: 4,821,689 km (0.092 R)
• M10: 5,754,880 km (0.119 R)
• M11: 6,332,179 km (0.09 R)
• M12: 7,152,125 km (0.114 R)
• M13: 8,934,583 km (0.062 R)
• M14: 9,423,020 km (0.065 R)
• M15: 11,274,892 km (0.112 R)
• M16: 13,358,043 km (0.07 R)
• M17: 15,190,766 km (0.063 R)
• M18: 18,218,178 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 11.2

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.83 AU - 4.47 AU

Year: 4575 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,877,612 km

• M1: 139,425 km (0.115 R)
• M2: 929,302 km (0.082 R)
• M3: 2,355,568 km (0.037 R)
• M4: 2,830,093 km (0.051 R)
• M5: 4,014,459 km (0.077 R)
• M6: 4,378,879 km (0.112 R)
• M7: 4,979,365 km (0.082 R)
• M8: 6,992,653 km (0.084 R)
• M9: 9,165,712 km (0.112 R)
• M10: 10,707,767 km (0.098 R)
• M11: 15,103,700 km (0.1 R)
• M12: 16,312,301 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.5

Radius: 3.4

Gravity: 23.49 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.43 AU - 8.09 AU

Year: 11530 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,877,612 km

• M1: 44,431 km (0.111 R)
• M2: 155,432 km (0.073 R)
• M3: 295,157 km (0.115 R)
• M4: 610,958 km (0.036 R)
• M5: 837,748 km (0.104 R)
• M6: 2,065,348 km (0.026 R)
• M7: 2,425,729 km (0.082 R)
• M8: 3,117,021 km (0.096 R)
• M9: 3,661,109 km (0.062 R)
• M10: 6,406,529 km (0.03 R)
• M11: 8,479,357 km (0.112 R)
• M12: 10,038,167 km (0.103 R)
• M13: 12,527,026 km (0.088 R)
• M14: 13,535,765 km (0.052 R)
• M15: 21,132,046 km (0.081 R)
• M16: 22,719,129 km (0.086 R)
• M17: 23,792,195 km (0.04 R)
• M18: 24,898,621 km (0.095 R)
• M19: 27,767,459 km (0.118 R)
• M20: 35,228,803 km (0.084 R)
• M21: 37,113,437 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.1

Radius: 5.5

Gravity: 20.1 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.76 AU - 11.56 AU

Year: 22832 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,877,612 km

• M1: 68,665 km (0.057 R)
• M2: 311,762 km (0.117 R)
• M3: 511,026 km (0.103 R)
• M4: 872,754 km (0.04 R)
• M5: 1,520,214 km (0.081 R)
• M6: 2,377,709 km (0.075 R)
• M7: 2,808,102 km (0.108 R)
• M8: 3,042,073 km (0.092 R)
• M9: 6,683,135 km (0.046 R)
• M10: 7,053,988 km (0.094 R)
• M11: 8,567,769 km (0.09 R)
• M12: 8,784,836 km (0.052 R)
• M13: 10,843,153 km (0.082 R)
• M14: 11,485,526 km (0.027 R)
• M15: 14,693,503 km (0.111 R)
• M16: 15,240,881 km (0.072 R)
• M17: 17,741,709 km (0.028 R)
• M18: 23,857,719 km (0.041 R)
• M19: 24,072,093 km (0.112 R)
• M20: 28,392,329 km (0.116 R)
• M21: 29,857,042 km (0.106 R)
• M22: 32,936,215 km (0.084 R)
• M23: 38,822,742 km (0.074 R)
• M24: 39,119,394 km (0.093 R)
• M25: 42,797,258 km (0.11 R)
• M26: 45,209,225 km (0.106 R)
• M27: 49,081,266 km (0.044 R)
• M28: 50,831,561 km (0.047 R)
• M29: 52,261,418 km (0.096 R)
• M30: 60,408,817 km (0.045 R)
• M31: 61,810,399 km (0.102 R)
• M32: 64,056,611 km (0.082 R)
• M33: 64,263,505 km (0.075 R)
• M34: 67,848,618 km (0.105 R)
• M35: 70,238,145 km (0.119 R)
• M36: 71,787,530 km (0.119 R)
• M37: 75,645,061 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 19,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit