🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.52 AU - 0.74 AU

Year: 323 Days

Day: 32.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.7

Radius: 10.4

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.11 AU - 1.29 AU

Year: 849 Days

Day: 10.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,119,989 km

• M1: 129,402 km (0.042 R)
• M2: 462,706 km (0.112 R)
• M3: 815,308 km (0.102 R)
• M4: 1,206,058 km (0.098 R)
• M5: 1,758,373 km (0.1 R)
• M6: 2,283,462 km (0.069 R)
• M7: 2,846,997 km (0.117 R)
• M8: 3,457,506 km (0.066 R)
• M9: 3,927,243 km (0.089 R)
• M10: 4,491,078 km (0.095 R)
• M11: 5,536,767 km (0.091 R)
• M12: 7,254,300 km (0.118 R)
• M13: 7,975,362 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815

Radius: 11.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.97 AU - 1.47 AU

Year: 870 Days

Day: 12.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,119,989 km

• M1: 142,268 km (0.052 R)
• M2: 511,326 km (0.037 R)
• M3: 1,117,496 km (0.107 R)
• M4: 1,681,181 km (0.089 R)
• M5: 2,099,905 km (0.096 R)
• M6: 2,792,095 km (0.106 R)
• M7: 3,557,437 km (0.091 R)
• M8: 4,322,630 km (0.06 R)
• M9: 4,682,713 km (0.076 R)
• M10: 5,118,940 km (0.106 R)
• M11: 5,622,038 km (0.085 R)
• M12: 6,010,543 km (0.097 R)
• M13: 6,571,086 km (0.101 R)
• M14: 7,380,710 km (0.111 R)
• M15: 9,652,055 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.5

Radius: 11.5

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.36 AU - 2.18 AU

Year: 1520 Days

Day: 5 Hours

Environment

Temp: -179 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,119,989 km

• M1: 143,016 km (0.083 R)
• M2: 704,756 km (0.102 R)
• M3: 1,191,996 km (0.113 R)
• M4: 1,562,251 km (0.049 R)
• M5: 2,194,601 km (0.117 R)
• M6: 2,804,062 km (0.101 R)
• M7: 3,847,657 km (0.099 R)
• M8: 4,616,441 km (0.113 R)
• M9: 5,112,208 km (0.107 R)
• M10: 5,712,395 km (0.057 R)
• M11: 6,284,906 km (0.12 R)
• M12: 6,713,204 km (0.084 R)
• M13: 8,294,005 km (0.1 R)
• M14: 9,445,011 km (0.078 R)
• M15: 9,974,438 km (0.119 R)
• M16: 11,056,928 km (0.102 R)
• M17: 12,138,820 km (0.096 R)
• M18: 12,725,393 km (0.115 R)
• M19: 14,686,921 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 9.7

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.17 AU - 3.01 AU

Year: 2691 Days

Day: 10.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,119,989 km

• M1: 120,875 km (0.064 R)
• M2: 464,501 km (0.102 R)
• M3: 842,086 km (0.063 R)
• M4: 1,331,720 km (0.048 R)
• M5: 1,697,936 km (0.091 R)
• M6: 3,565,366 km (0.093 R)
• M7: 3,912,134 km (0.107 R)
• M8: 4,856,096 km (0.104 R)
• M9: 5,531,680 km (0.102 R)
• M10: 6,462,778 km (0.12 R)
• M11: 7,099,466 km (0.047 R)
• M12: 9,587,578 km (0.112 R)
• M13: 10,223,518 km (0.059 R)
• M14: 11,455,307 km (0.113 R)
• M15: 11,957,657 km (0.097 R)
• M16: 13,879,840 km (0.072 R)
• M17: 15,037,877 km (0.094 R)
• M18: 16,363,913 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 15

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.57 AU - 2.95 AU

Year: 2961 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,119,989 km

• M1: 186,549 km (0.099 R)
• M2: 661,073 km (0.079 R)
• M3: 1,466,209 km (0.044 R)
• M4: 2,027,799 km (0.058 R)
• M5: 2,607,790 km (0.099 R)
• M6: 3,619,371 km (0.057 R)
• M7: 5,074,210 km (0.074 R)
• M8: 5,880,094 km (0.107 R)
• M9: 6,921,594 km (0.102 R)
• M10: 8,323,476 km (0.083 R)
• M11: 9,184,262 km (0.109 R)
• M12: 10,183,277 km (0.116 R)
• M13: 11,295,986 km (0.1 R)
• M14: 12,397,475 km (0.055 R)
• M15: 13,714,684 km (0.047 R)
• M16: 14,559,014 km (0.102 R)
• M17: 15,437,603 km (0.099 R)
• M18: 17,187,299 km (0.119 R)
• M19: 19,187,722 km (0.09 R)
• M20: 19,929,578 km (0.119 R)
• M21: 21,536,558 km (0.088 R)
• M22: 22,677,691 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.9

Radius: 15

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.94 AU - 3.4 AU

Year: 3644 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,119,989 km

• M1: 186,549 km (0.107 R)
• M2: 716,574 km (0.038 R)
• M3: 1,357,002 km (0.069 R)
• M4: 2,270,596 km (0.056 R)
• M5: 3,119,116 km (0.1 R)
• M6: 4,058,291 km (0.1 R)
• M7: 4,595,198 km (0.088 R)
• M8: 5,153,048 km (0.115 R)
• M9: 5,986,907 km (0.118 R)
• M10: 7,039,178 km (0.078 R)
• M11: 8,031,311 km (0.106 R)
• M12: 8,844,825 km (0.118 R)
• M13: 9,712,642 km (0.046 R)
• M14: 11,481,038 km (0.098 R)
• M15: 13,203,658 km (0.099 R)
• M16: 15,313,586 km (0.083 R)
• M17: 17,337,047 km (0.099 R)
• M18: 20,664,552 km (0.085 R)
• M19: 21,909,506 km (0.11 R)
• M20: 23,424,483 km (0.1 R)
• M21: 24,472,716 km (0.108 R)
• M22: 25,630,154 km (0.094 R)
• M23: 27,311,634 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.2

Radius: 4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7 AU - 7.78 AU

Year: 12971 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,119,989 km

• M1: 54,603 km (0.114 R)
• M2: 284,535 km (0.063 R)
• M3: 418,724 km (0.094 R)
• M4: 952,340 km (0.096 R)
• M5: 1,998,628 km (0.109 R)
• M6: 3,252,108 km (0.103 R)
• M7: 3,579,578 km (0.089 R)
• M8: 4,643,967 km (0.042 R)
• M9: 4,926,707 km (0.081 R)
• M10: 11,563,317 km (0.105 R)
• M11: 11,844,561 km (0.076 R)
• M12: 14,367,828 km (0.113 R)
• M13: 15,926,489 km (0.102 R)
• M14: 16,925,952 km (0.098 R)
• M15: 23,290,144 km (0.041 R)
• M16: 27,451,658 km (0.107 R)
• M17: 28,120,061 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 13,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit