🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.51 AU - 0.67 AU

Year: 159 Days

Day: 37.8 Hours

Environment

Temp: 213 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,522,729 km

• M1: 437,125 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.86 AU - 2.9 AU

Year: 1285 Days

Day: 31.6 Hours

Environment

Temp: -60 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,522,729 km

• M1: 55,650 km (0.099 R)
• M2: 138,677 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.58 AU - 3.86 AU

Year: 2021 Days

Day: 12.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.2

Radius: 14.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.97 AU - 6.43 AU

Year: 4761 Days

Day: 14.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,522,729 km

• M1: 182,809 km (0.077 R)
• M2: 655,239 km (0.102 R)
• M3: 1,302,698 km (0.107 R)
• M4: 2,075,670 km (0.06 R)
• M5: 3,103,557 km (0.089 R)
• M6: 4,473,276 km (0.098 R)
• M7: 5,975,687 km (0.087 R)
• M8: 7,478,846 km (0.111 R)
• M9: 8,907,356 km (0.111 R)
• M10: 10,040,560 km (0.107 R)
• M11: 10,907,330 km (0.035 R)
• M12: 13,242,404 km (0.088 R)
• M13: 14,231,844 km (0.079 R)
• M14: 15,495,048 km (0.068 R)
• M15: 16,593,845 km (0.095 R)
• M16: 18,307,039 km (0.096 R)
• M17: 21,797,457 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.3

Radius: 11.6

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.67 AU - 9.93 AU

Year: 10733 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,522,729 km

• M1: 147,055 km (0.115 R)
• M2: 532,718 km (0.117 R)
• M3: 1,193,641 km (0.069 R)
• M4: 2,111,873 km (0.094 R)
• M5: 2,745,719 km (0.109 R)
• M6: 5,859,599 km (0.072 R)
• M7: 7,155,865 km (0.047 R)
• M8: 10,634,165 km (0.106 R)
• M9: 11,193,062 km (0.112 R)
• M10: 21,392,496 km (0.115 R)
• M11: 22,465,112 km (0.089 R)
• M12: 24,332,094 km (0.063 R)
• M13: 29,776,409 km (0.099 R)
• M14: 32,372,979 km (0.057 R)
• M15: 34,145,564 km (0.035 R)
• M16: 35,857,562 km (0.103 R)
• M17: 36,231,707 km (0.088 R)
• M18: 37,497,903 km (0.045 R)
• M19: 41,336,285 km (0.063 R)
• M20: 43,139,089 km (0.099 R)
• M21: 48,708,768 km (0.108 R)
• M22: 50,875,992 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.1

Radius: 14.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 10.1 AU - 12.82 AU

Year: 13572 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,522,729 km

• M1: 184,005 km (0.099 R)
• M2: 677,678 km (0.065 R)
• M3: 1,210,845 km (0.062 R)
• M4: 1,694,046 km (0.066 R)
• M5: 2,940,945 km (0.083 R)
• M6: 3,513,755 km (0.062 R)
• M7: 4,133,240 km (0.12 R)
• M8: 4,855,797 km (0.106 R)
• M9: 5,394,350 km (0.106 R)
• M10: 6,332,328 km (0.059 R)
• M11: 8,622,821 km (0.119 R)
• M12: 13,635,996 km (0.106 R)
• M13: 15,780,182 km (0.077 R)
• M14: 17,917,187 km (0.104 R)
• M15: 19,523,719 km (0.088 R)
• M16: 21,141,321 km (0.041 R)
• M17: 22,153,799 km (0.115 R)
• M18: 23,198,441 km (0.096 R)
• M19: 24,642,060 km (0.044 R)
• M20: 26,144,771 km (0.054 R)
• M21: 28,818,085 km (0.06 R)
• M22: 37,926,052 km (0.076 R)
• M23: 39,420,535 km (0.036 R)
• M24: 42,130,052 km (0.057 R)
• M25: 44,276,183 km (0.107 R)
• M26: 47,630,616 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.9

Radius: 9.5

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 9.06 AU - 13.86 AU

Year: 13572 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,522,729 km

• M1: 119,080 km (0.047 R)
• M2: 444,904 km (0.119 R)
• M3: 981,362 km (0.055 R)
• M4: 1,578,258 km (0.067 R)
• M5: 1,913,955 km (0.08 R)
• M6: 3,247,321 km (0.043 R)
• M7: 3,884,309 km (0.111 R)
• M8: 9,097,795 km (0.097 R)
• M9: 11,612,236 km (0.033 R)
• M10: 15,215,450 km (0.078 R)
• M11: 16,829,012 km (0.105 R)
• M12: 20,033,548 km (0.091 R)
• M13: 27,954,606 km (0.102 R)
• M14: 28,971,572 km (0.076 R)
• M15: 32,170,274 km (0.116 R)
• M16: 35,728,609 km (0.105 R)
• M17: 41,254,754 km (0.056 R)
• M18: 48,930,322 km (0.083 R)
• M19: 50,240,650 km (0.058 R)
• M20: 54,486,237 km (0.05 R)
• M21: 57,325,306 km (0.111 R)
• M22: 59,149,053 km (0.04 R)
• M23: 60,635,607 km (0.04 R)
• M24: 66,631,490 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.4

Radius: 6.1

Gravity: 15.57 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 15.2 AU - 17.6 AU

Year: 23235 Days

Day: 18.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,522,729 km

• M1: 76,893 km (0.116 R)
• M2: 389,254 km (0.111 R)
• M3: 587,022 km (0.081 R)
• M4: 1,393,205 km (0.094 R)
• M5: 2,115,463 km (0.099 R)
• M6: 2,535,534 km (0.114 R)
• M7: 2,930,921 km (0.086 R)
• M8: 3,171,026 km (0.118 R)
• M9: 4,366,762 km (0.102 R)
• M10: 4,609,559 km (0.083 R)
• M11: 5,275,719 km (0.061 R)
• M12: 5,471,692 km (0.104 R)
• M13: 7,859,423 km (0.111 R)
• M14: 8,271,715 km (0.09 R)
• M15: 10,676,650 km (0.113 R)
• M16: 12,378,476 km (0.082 R)
• M17: 13,731,140 km (0.108 R)
• M18: 14,177,989 km (0.115 R)
• M19: 15,337,671 km (0.099 R)
• M20: 15,818,628 km (0.098 R)
• M21: 19,194,155 km (0.089 R)
• M22: 33,325,020 km (0.098 R)
• M23: 34,131,652 km (0.082 R)
• M24: 40,752,704 km (0.094 R)
• M25: 44,524,515 km (0.08 R)
• M26: 49,211,416 km (0.036 R)
• M27: 50,432,434 km (0.08 R)
• M28: 50,961,861 km (0.064 R)
• M29: 51,495,028 km (0.059 R)
• M30: 55,331,615 km (0.058 R)
• M31: 56,272,436 km (0.106 R)
• M32: 59,550,873 km (0.108 R)
• M33: 59,747,594 km (0.116 R)
• M34: 62,954,374 km (0.114 R)
• M35: 77,163,031 km (0.111 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 10,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit