🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.51 AU - 2.91 AU

Year: 1568 Days

Day: 28.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,154,470 km

• M1: 42,486 km (0.098 R)
• M2: 993,928 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.8

Radius: 14.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.41 AU - 8.09 AU

Year: 6164 Days

Day: 11.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,154,470 km

• M1: 185,352 km (0.105 R)
• M2: 654,341 km (0.119 R)
• M3: 1,342,641 km (0.116 R)
• M4: 2,148,824 km (0.066 R)
• M5: 2,655,213 km (0.09 R)
• M6: 3,984,988 km (0.094 R)
• M7: 4,576,049 km (0.078 R)
• M8: 5,057,605 km (0.077 R)
• M9: 5,632,509 km (0.083 R)
• M10: 6,677,002 km (0.101 R)
• M11: 9,275,517 km (0.112 R)
• M12: 11,106,445 km (0.094 R)
• M13: 12,233,665 km (0.047 R)
• M14: 13,221,310 km (0.093 R)
• M15: 14,038,115 km (0.038 R)
• M16: 14,544,204 km (0.044 R)
• M17: 17,388,209 km (0.096 R)
• M18: 22,208,253 km (0.069 R)
• M19: 23,051,237 km (0.118 R)
• M20: 24,154,970 km (0.106 R)
• M21: 27,765,814 km (0.064 R)
• M22: 31,339,108 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.8

Radius: 11.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.67 AU - 7.49 AU

Year: 6621 Days

Day: 5.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,154,470 km

• M1: 140,622 km (0.098 R)
• M2: 720,015 km (0.039 R)
• M3: 1,569,880 km (0.098 R)
• M4: 2,037,074 km (0.093 R)
• M5: 3,115,824 km (0.091 R)
• M6: 4,567,073 km (0.082 R)
• M7: 5,270,483 km (0.043 R)
• M8: 5,648,666 km (0.08 R)
• M9: 6,329,935 km (0.06 R)
• M10: 6,724,125 km (0.104 R)
• M11: 7,240,088 km (0.064 R)
• M12: 8,866,815 km (0.106 R)
• M13: 9,445,759 km (0.031 R)
• M14: 11,770,061 km (0.041 R)
• M15: 13,951,797 km (0.102 R)
• M16: 14,907,278 km (0.029 R)
• M17: 16,146,996 km (0.082 R)
• M18: 18,763,762 km (0.106 R)
• M19: 21,138,478 km (0.063 R)
• M20: 30,372,556 km (0.093 R)
• M21: 31,308,590 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.3

Radius: 12.5

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.67 AU - 8.87 AU

Year: 7612 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,154,470 km

• M1: 361,877 km (0.073 R)
• M2: 1,446,312 km (0.07 R)
• M3: 2,493,797 km (0.105 R)
• M4: 4,701,263 km (0.11 R)
• M5: 7,073,287 km (0.071 R)
• M6: 9,345,977 km (0.087 R)
• M7: 13,944,466 km (0.059 R)
• M8: 16,253,958 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 13.8

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.04 AU - 9.58 AU

Year: 8419 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,154,470 km

• M1: 173,085 km (0.077 R)
• M2: 1,199,326 km (0.059 R)
• M3: 2,665,984 km (0.03 R)
• M4: 3,775,850 km (0.108 R)
• M5: 4,271,468 km (0.098 R)
• M6: 5,754,581 km (0.099 R)
• M7: 6,414,158 km (0.098 R)
• M8: 8,094,442 km (0.097 R)
• M9: 10,752,646 km (0.081 R)
• M10: 12,307,866 km (0.106 R)
• M11: 12,877,534 km (0.115 R)
• M12: 13,644,373 km (0.103 R)
• M13: 15,464,979 km (0.046 R)
• M14: 19,814,986 km (0.087 R)
• M15: 21,321,287 km (0.106 R)
• M16: 21,977,872 km (0.112 R)
• M17: 27,053,578 km (0.108 R)
• M18: 31,049,786 km (0.083 R)
• M19: 32,861,566 km (0.107 R)
• M20: 33,627,657 km (0.119 R)
• M21: 34,742,759 km (0.068 R)
• M22: 36,345,251 km (0.09 R)
• M23: 37,519,595 km (0.114 R)
• M24: 38,116,191 km (0.047 R)
• M25: 38,840,394 km (0.114 R)
• M26: 39,820,410 km (0.108 R)
• M27: 41,068,355 km (0.112 R)
• M28: 41,829,659 km (0.111 R)
• M29: 42,729,640 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519

Radius: 14

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.76 AU - 10.54 AU

Year: 10536 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,154,470 km

• M1: 188,942 km (0.11 R)
• M2: 921,373 km (0.114 R)
• M3: 1,415,495 km (0.099 R)
• M4: 2,276,880 km (0.098 R)
• M5: 3,395,423 km (0.097 R)
• M6: 5,035,016 km (0.108 R)
• M7: 5,774,179 km (0.116 R)
• M8: 6,548,048 km (0.057 R)
• M9: 7,796,143 km (0.097 R)
• M10: 10,709,263 km (0.1 R)
• M11: 12,156,173 km (0.037 R)
• M12: 14,035,571 km (0.11 R)
• M13: 22,906,127 km (0.098 R)
• M14: 23,424,035 km (0.074 R)
• M15: 28,147,438 km (0.08 R)
• M16: 33,470,878 km (0.051 R)
• M17: 35,845,744 km (0.079 R)
• M18: 42,464,852 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 10.61 AU - 11.71 AU

Year: 13103 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,154,470 km

• M1: 99,483 km (0.11 R)
• M2: 379,530 km (0.042 R)
• M3: 770,728 km (0.109 R)
• M4: 1,049,130 km (0.087 R)
• M5: 3,960,604 km (0.106 R)
• M6: 7,217,050 km (0.101 R)
• M7: 8,003,187 km (0.11 R)
• M8: 10,751,001 km (0.088 R)
• M9: 11,279,530 km (0.118 R)
• M10: 14,414,353 km (0.11 R)
• M11: 15,536,337 km (0.12 R)
• M12: 20,317,934 km (0.033 R)
• M13: 21,650,701 km (0.101 R)
• M14: 22,493,237 km (0.089 R)
• M15: 32,452,864 km (0.072 R)
• M16: 33,962,905 km (0.105 R)
• M17: 34,476,624 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299

Radius: 5.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 14.43 AU - 14.87 AU

Year: 19708 Days

Day: 18.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,154,470 km

• M1: 68,965 km (0.11 R)
• M2: 627,862 km (0.115 R)
• M3: 887,564 km (0.085 R)
• M4: 1,142,778 km (0.108 R)
• M5: 2,412,565 km (0.079 R)
• M6: 3,176,112 km (0.113 R)
• M7: 4,178,119 km (0.115 R)
• M8: 5,098,894 km (0.041 R)
• M9: 5,995,284 km (0.084 R)
• M10: 8,809,968 km (0.091 R)
• M11: 9,107,369 km (0.086 R)
• M12: 9,360,339 km (0.12 R)
• M13: 14,274,778 km (0.029 R)
• M14: 17,939,029 km (0.119 R)
• M15: 20,500,144 km (0.112 R)
• M16: 21,198,617 km (0.104 R)
• M17: 21,464,602 km (0.096 R)
• M18: 25,326,172 km (0.082 R)
• M19: 29,186,993 km (0.066 R)
• M20: 32,827,607 km (0.114 R)
• M21: 36,125,642 km (0.103 R)
• M22: 38,049,919 km (0.026 R)
• M23: 40,857,422 km (0.103 R)
• M24: 41,269,415 km (0.063 R)
• M25: 47,181,224 km (0.113 R)

Kuiper Belt

Range: 31.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 16,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit