🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.07 AU - 1.41 AU

Year: 529 Days

Day: 34.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 137.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1 AU - 1.5 AU

Year: 535 Days

Day: 37 Hours

Environment

Temp: -24 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.7 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 11.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4 AU - 4.28 AU

Year: 3225 Days

Day: 13.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 98,234,303 km

• M1: 147,055 km (0.093 R)
• M2: 553,811 km (0.11 R)
• M3: 1,171,351 km (0.109 R)
• M4: 1,881,642 km (0.092 R)
• M5: 2,541,219 km (0.064 R)
• M6: 5,424,718 km (0.102 R)
• M7: 6,015,480 km (0.106 R)
• M8: 6,507,358 km (0.103 R)
• M9: 7,571,896 km (0.035 R)
• M10: 8,444,052 km (0.109 R)
• M11: 8,887,310 km (0.117 R)
• M12: 9,453,987 km (0.072 R)
• M13: 10,272,587 km (0.119 R)
• M14: 11,923,549 km (0.103 R)
• M15: 12,438,764 km (0.074 R)
• M16: 13,979,173 km (0.079 R)
• M17: 14,795,529 km (0.107 R)
• M18: 16,470,426 km (0.045 R)
• M19: 17,272,271 km (0.108 R)
• M20: 17,655,242 km (0.114 R)
• M21: 18,438,237 km (0.116 R)
• M22: 19,596,872 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.4

Radius: 12.6

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.91 AU - 6.39 AU

Year: 4475 Days

Day: 7.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 98,234,303 km

• M1: 157,227 km (0.12 R)
• M2: 584,180 km (0.117 R)
• M3: 1,240,615 km (0.082 R)
• M4: 1,829,133 km (0.114 R)
• M5: 2,646,536 km (0.083 R)
• M6: 3,348,449 km (0.099 R)
• M7: 3,958,958 km (0.105 R)
• M8: 4,436,474 km (0.102 R)
• M9: 5,099,791 km (0.108 R)
• M10: 5,855,709 km (0.081 R)
• M11: 7,112,631 km (0.071 R)
• M12: 9,570,673 km (0.064 R)
• M13: 13,828,079 km (0.116 R)
• M14: 14,373,513 km (0.112 R)
• M15: 17,149,152 km (0.032 R)
• M16: 20,264,228 km (0.119 R)
• M17: 20,903,909 km (0.074 R)
• M18: 21,556,904 km (0.088 R)
• M19: 22,972,698 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 10.8

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.74 AU - 11.82 AU

Year: 12620 Days

Day: 7.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 98,234,303 km

• M1: 143,764 km (0.057 R)
• M2: 835,654 km (0.109 R)
• M3: 1,288,486 km (0.116 R)
• M4: 2,308,744 km (0.093 R)
• M5: 2,661,346 km (0.074 R)
• M6: 3,424,445 km (0.058 R)
• M7: 3,886,104 km (0.092 R)
• M8: 4,482,251 km (0.052 R)
• M9: 5,894,904 km (0.096 R)
• M10: 8,516,756 km (0.113 R)
• M11: 8,860,532 km (0.094 R)
• M12: 14,914,160 km (0.07 R)
• M13: 15,632,678 km (0.056 R)
• M14: 17,138,830 km (0.083 R)
• M15: 18,330,377 km (0.06 R)
• M16: 25,735,023 km (0.093 R)
• M17: 27,615,169 km (0.102 R)
• M18: 31,180,983 km (0.062 R)
• M19: 36,698,452 km (0.095 R)
• M20: 42,404,863 km (0.083 R)
• M21: 42,833,760 km (0.119 R)
• M22: 53,516,095 km (0.08 R)
• M23: 58,667,647 km (0.034 R)
• M24: 59,200,216 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.8

Radius: 3.4

Gravity: 72.82 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 14.75 AU - 21.81 AU

Year: 29925 Days

Day: 21.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,234,303 km

• M1: 42,336 km (0.086 R)
• M2: 231,129 km (0.061 R)
• M3: 538,702 km (0.057 R)
• M4: 947,104 km (0.051 R)
• M5: 1,534,126 km (0.046 R)
• M6: 1,937,143 km (0.048 R)
• M7: 2,977,746 km (0.053 R)
• M8: 4,194,276 km (0.046 R)
• M9: 4,305,427 km (0.088 R)
• M10: 7,882,013 km (0.05 R)
• M11: 17,294,561 km (0.113 R)
• M12: 17,773,723 km (0.118 R)
• M13: 34,749,641 km (0.106 R)
• M14: 42,015,160 km (0.052 R)
• M15: 51,793,924 km (0.078 R)
• M16: 53,997,202 km (0.058 R)
• M17: 61,422,193 km (0.119 R)
• M18: 70,707,583 km (0.113 R)
• M19: 71,930,097 km (0.111 R)
• M20: 79,562,580 km (0.058 R)
• M21: 85,490,695 km (0.102 R)
• M22: 88,844,829 km (0.073 R)
• M23: 91,129,039 km (0.059 R)
• M24: 93,451,995 km (0.052 R)
• M25: 97,611,863 km (0.106 R)
• M26: 106,617,505 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.1

Radius: 3.4

Gravity: 51.05 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 16.44 AU - 21.48 AU

Year: 31610 Days

Day: 18 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 98,234,303 km

• M1: 61,485 km (0.096 R)
• M2: 184,005 km (0.117 R)
• M3: 347,815 km (0.077 R)
• M4: 507,885 km (0.081 R)
• M5: 839,693 km (0.056 R)
• M6: 1,728,603 km (0.085 R)
• M7: 1,869,674 km (0.119 R)
• M8: 2,800,921 km (0.111 R)
• M9: 9,352,709 km (0.111 R)
• M10: 12,024,078 km (0.119 R)
• M11: 14,743,768 km (0.073 R)
• M12: 19,003,268 km (0.038 R)
• M13: 22,002,855 km (0.1 R)
• M14: 24,712,072 km (0.066 R)
• M15: 25,782,744 km (0.067 R)
• M16: 27,635,364 km (0.067 R)
• M17: 30,375,399 km (0.025 R)
• M18: 31,190,258 km (0.057 R)
• M19: 35,186,317 km (0.102 R)
• M20: 36,845,208 km (0.042 R)
• M21: 36,998,545 km (0.032 R)
• M22: 40,480,735 km (0.11 R)
• M23: 40,644,096 km (0.049 R)
• M24: 42,806,832 km (0.035 R)
• M25: 49,940,556 km (0.054 R)
• M26: 53,787,017 km (0.108 R)
• M27: 56,187,165 km (0.081 R)
• M28: 57,002,922 km (0.102 R)
• M29: 58,657,774 km (0.076 R)
• M30: 59,286,534 km (0.113 R)
• M31: 69,732,355 km (0.096 R)
• M32: 73,550,092 km (0.088 R)
• M33: 75,510,273 km (0.047 R)
• M34: 79,790,568 km (0.091 R)
• M35: 86,916,363 km (0.066 R)
• M36: 91,613,736 km (0.043 R)
• M37: 92,459,862 km (0.035 R)
• M38: 94,741,678 km (0.037 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 19,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit