🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.49 AU - 0.75 AU

Year: 179 Days

Day: 35.4 Hours

Environment

Temp: 131 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.61 AU - 0.77 AU

Year: 210 Days

Day: 28.8 Hours

Environment

Temp: 201 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.33 AU - 2.87 AU

Year: 1539 Days

Day: 43.1 Hours

Environment

Temp: -99 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,600,216 km

• M1: 479,910 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.69 AU - 3.19 AU

Year: 1851 Days

Day: 31.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 8.4

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.04 AU - 11.5 AU

Year: 11210 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,600,216 km

• M1: 137,929 km (0.113 R)
• M2: 671,694 km (0.059 R)
• M3: 1,436,738 km (0.111 R)
• M4: 2,508,906 km (0.086 R)
• M5: 3,727,081 km (0.059 R)
• M6: 4,453,080 km (0.1 R)
• M7: 6,836,623 km (0.099 R)
• M8: 7,803,923 km (0.12 R)
• M9: 8,119,275 km (0.119 R)
• M10: 19,991,811 km (0.101 R)
• M11: 21,492,128 km (0.081 R)
• M12: 21,878,689 km (0.107 R)
• M13: 33,220,302 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 9.9

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.35 AU - 12.69 AU

Year: 12526 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,600,216 km

• M1: 123,418 km (0.082 R)
• M2: 447,447 km (0.082 R)
• M3: 849,716 km (0.093 R)
• M4: 1,261,858 km (0.067 R)
• M5: 3,966,438 km (0.108 R)
• M6: 5,242,059 km (0.114 R)
• M7: 6,648,578 km (0.065 R)
• M8: 7,823,071 km (0.07 R)
• M9: 8,339,483 km (0.049 R)
• M10: 9,492,434 km (0.117 R)
• M11: 10,578,813 km (0.072 R)
• M12: 11,806,563 km (0.112 R)
• M13: 12,486,336 km (0.119 R)
• M14: 14,543,007 km (0.114 R)
• M15: 14,894,712 km (0.1 R)
• M16: 15,542,022 km (0.116 R)
• M17: 17,676,484 km (0.116 R)
• M18: 18,731,000 km (0.084 R)
• M19: 23,275,484 km (0.105 R)
• M20: 27,961,188 km (0.096 R)
• M21: 30,524,099 km (0.117 R)
• M22: 31,803,610 km (0.049 R)
• M23: 33,361,372 km (0.089 R)
• M24: 35,728,759 km (0.081 R)
• M25: 37,939,965 km (0.105 R)
• M26: 38,473,132 km (0.06 R)
• M27: 47,390,960 km (0.052 R)
• M28: 47,854,414 km (0.118 R)
• M29: 50,216,864 km (0.103 R)
• M30: 51,345,580 km (0.036 R)
• M31: 52,491,050 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 9.3

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 10.33 AU - 13.09 AU

Year: 14710 Days

Day: 14.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,600,216 km

• M1: 131,048 km (0.032 R)
• M2: 428,299 km (0.075 R)
• M3: 1,010,982 km (0.088 R)
• M4: 1,348,475 km (0.077 R)
• M5: 1,795,324 km (0.045 R)
• M6: 2,380,252 km (0.105 R)
• M7: 2,845,202 km (0.083 R)
• M8: 3,137,516 km (0.098 R)
• M9: 3,669,636 km (0.097 R)
• M10: 4,812,115 km (0.104 R)
• M11: 6,585,747 km (0.053 R)
• M12: 10,774,338 km (0.043 R)
• M13: 11,308,103 km (0.096 R)
• M14: 12,364,563 km (0.109 R)
• M15: 13,827,630 km (0.082 R)
• M16: 23,199,039 km (0.105 R)
• M17: 25,415,182 km (0.11 R)
• M18: 29,340,182 km (0.077 R)
• M19: 31,088,532 km (0.109 R)
• M20: 32,536,340 km (0.111 R)
• M21: 33,902,468 km (0.116 R)
• M22: 34,919,883 km (0.08 R)
• M23: 36,220,038 km (0.065 R)
• M24: 36,882,158 km (0.071 R)
• M25: 41,889,199 km (0.083 R)
• M26: 45,468,029 km (0.118 R)
• M27: 46,549,023 km (0.12 R)
• M28: 46,860,935 km (0.119 R)
• M29: 48,282,114 km (0.085 R)
• M30: 48,922,992 km (0.107 R)
• M31: 51,210,493 km (0.11 R)
• M32: 51,709,701 km (0.082 R)
• M33: 53,739,445 km (0.117 R)
• M34: 55,296,160 km (0.117 R)
• M35: 57,777,091 km (0.097 R)
• M36: 60,702,328 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.8

Radius: 7.4

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 13.97 AU - 19.13 AU

Year: 24716 Days

Day: 23 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,600,216 km

• M1: 101,427 km (0.077 R)
• M2: 473,477 km (0.063 R)
• M3: 1,000,062 km (0.084 R)
• M4: 1,372,261 km (0.12 R)
• M5: 1,747,902 km (0.08 R)
• M6: 2,271,344 km (0.032 R)
• M7: 3,299,680 km (0.113 R)
• M8: 4,128,901 km (0.042 R)
• M9: 4,575,900 km (0.114 R)
• M10: 4,914,589 km (0.034 R)
• M11: 5,835,065 km (0.112 R)
• M12: 6,112,270 km (0.09 R)
• M13: 7,085,703 km (0.115 R)
• M14: 8,657,528 km (0.077 R)
• M15: 9,993,587 km (0.05 R)
• M16: 10,740,230 km (0.081 R)
• M17: 15,114,022 km (0.109 R)
• M18: 17,121,327 km (0.083 R)
• M19: 21,004,289 km (0.095 R)
• M20: 21,562,738 km (0.102 R)
• M21: 23,495,991 km (0.109 R)
• M22: 23,896,016 km (0.049 R)
• M23: 26,716,235 km (0.058 R)
• M24: 31,170,512 km (0.046 R)
• M25: 43,737,032 km (0.105 R)
• M26: 44,039,070 km (0.096 R)
• M27: 44,953,562 km (0.11 R)
• M28: 55,863,286 km (0.077 R)
• M29: 60,230,796 km (0.101 R)
• M30: 66,400,960 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 12,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit