🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.42 AU - 0.6 AU

Year: 155 Days

Day: 40.6 Hours

Environment

Temp: 83 °C

Axial Tilt: 11.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.47 AU - 0.71 AU

Year: 192 Days

Day: 45 Hours

Environment

Temp: 33 °C

Axial Tilt: 15.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 71,124,800 km

• M1: 115,789 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.88 AU - 1 AU

Year: 387 Days

Day: 36.4 Hours

Environment

Temp: -53 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,124,800 km

• M1: 49,517 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.58 AU - 2.44 AU

Year: 1210 Days

Day: 13.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,124,800 km

• M1: 94,396 km (0.098 R)
• M2: 251,324 km (0.04 R)

Asteroid Belt

Center: 5.38 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.1

Radius: 10.6

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.51 AU - 9 AU

Year: 10990 Days

Day: 12.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,124,800 km

• M1: 138,976 km (0.097 R)
• M2: 962,363 km (0.101 R)
• M3: 1,504,805 km (0.119 R)
• M4: 2,243,220 km (0.037 R)
• M5: 2,970,415 km (0.111 R)
• M6: 4,335,945 km (0.119 R)
• M7: 8,690,589 km (0.12 R)
• M8: 19,982,685 km (0.059 R)
• M9: 21,176,027 km (0.07 R)
• M10: 21,859,241 km (0.084 R)
• M11: 22,486,654 km (0.118 R)
• M12: 23,631,527 km (0.094 R)
• M13: 25,959,868 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403

Radius: 3.9

Gravity: 26.5 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.86 AU - 13.7 AU

Year: 17167 Days

Day: 23.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,124,800 km

• M1: 48,470 km (0.054 R)
• M2: 174,880 km (0.114 R)
• M3: 311,612 km (0.116 R)
• M4: 604,525 km (0.113 R)
• M5: 1,206,357 km (0.085 R)
• M6: 2,579,366 km (0.073 R)
• M7: 2,710,564 km (0.094 R)
• M8: 3,383,305 km (0.104 R)
• M9: 7,591,194 km (0.055 R)
• M10: 9,007,886 km (0.039 R)
• M11: 9,158,681 km (0.036 R)
• M12: 10,206,764 km (0.057 R)
• M13: 17,121,626 km (0.038 R)
• M14: 21,792,969 km (0.046 R)
• M15: 22,522,857 km (0.112 R)
• M16: 23,174,655 km (0.057 R)
• M17: 26,520,411 km (0.056 R)
• M18: 27,774,191 km (0.067 R)
• M19: 38,724,905 km (0.105 R)
• M20: 43,979,680 km (0.088 R)
• M21: 47,380,189 km (0.102 R)
• M22: 49,533,650 km (0.073 R)
• M23: 50,951,988 km (0.097 R)
• M24: 54,200,206 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.7

Radius: 5.3

Gravity: 33.63 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 11.6 AU - 14.5 AU

Year: 20017 Days

Day: 21.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 71,124,800 km

• M1: 66,122 km (0.037 R)
• M2: 303,235 km (0.06 R)
• M3: 527,482 km (0.096 R)
• M4: 703,409 km (0.057 R)
• M5: 2,398,203 km (0.044 R)
• M6: 2,788,804 km (0.073 R)
• M7: 3,277,839 km (0.095 R)
• M8: 3,542,926 km (0.096 R)
• M9: 5,127,467 km (0.114 R)
• M10: 5,525,846 km (0.079 R)
• M11: 6,250,199 km (0.118 R)
• M12: 6,845,299 km (0.087 R)
• M13: 8,200,806 km (0.045 R)
• M14: 8,745,342 km (0.045 R)
• M15: 8,913,340 km (0.116 R)
• M16: 9,666,416 km (0.114 R)
• M17: 14,077,010 km (0.117 R)
• M18: 14,463,421 km (0.109 R)
• M19: 15,829,848 km (0.038 R)
• M20: 15,996,052 km (0.105 R)
• M21: 16,672,683 km (0.085 R)
• M22: 19,475,249 km (0.076 R)
• M23: 21,746,893 km (0.106 R)
• M24: 22,367,275 km (0.044 R)
• M25: 27,761,774 km (0.07 R)
• M26: 29,989,586 km (0.104 R)
• M27: 33,141,613 km (0.078 R)
• M28: 33,824,976 km (0.077 R)
• M29: 35,645,582 km (0.115 R)
• M30: 35,931,314 km (0.104 R)
• M31: 36,797,935 km (0.09 R)
• M32: 38,422,568 km (0.088 R)
• M33: 41,655,826 km (0.101 R)
• M34: 45,399,962 km (0.103 R)
• M35: 52,250,946 km (0.068 R)
• M36: 54,679,219 km (0.097 R)
• M37: 58,758,902 km (0.12 R)
• M38: 59,759,413 km (0.094 R)
• M39: 60,974,746 km (0.091 R)
• M40: 63,036,952 km (0.11 R)
• M41: 63,664,665 km (0.041 R)
• M42: 66,432,525 km (0.077 R)
• M43: 67,518,157 km (0.086 R)
• M44: 73,585,248 km (0.069 R)
• M45: 83,226,232 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.1

Radius: 5.4

Gravity: 17.97 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 10.9 AU - 15.76 AU

Year: 20664 Days

Day: 23.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,124,800 km

• M1: 68,067 km (0.112 R)
• M2: 249,828 km (0.108 R)
• M3: 627,114 km (0.118 R)
• M4: 931,696 km (0.076 R)
• M5: 1,660,686 km (0.112 R)
• M6: 2,043,806 km (0.105 R)
• M7: 2,439,492 km (0.09 R)
• M8: 4,059,338 km (0.117 R)
• M9: 4,446,498 km (0.05 R)
• M10: 6,161,488 km (0.097 R)
• M11: 6,760,477 km (0.077 R)
• M12: 7,876,477 km (0.12 R)
• M13: 8,173,728 km (0.051 R)
• M14: 9,002,800 km (0.04 R)
• M15: 9,943,621 km (0.107 R)
• M16: 15,802,472 km (0.048 R)
• M17: 16,116,627 km (0.112 R)
• M18: 17,415,287 km (0.08 R)
• M19: 19,852,834 km (0.076 R)
• M20: 20,403,205 km (0.081 R)
• M21: 22,311,475 km (0.059 R)
• M22: 24,965,940 km (0.094 R)
• M23: 25,392,144 km (0.092 R)
• M24: 28,744,782 km (0.105 R)
• M25: 32,129,583 km (0.065 R)
• M26: 33,787,726 km (0.059 R)
• M27: 35,501,968 km (0.093 R)
• M28: 40,257,984 km (0.108 R)
• M29: 44,636,115 km (0.085 R)
• M30: 48,326,096 km (0.1 R)
• M31: 53,614,082 km (0.112 R)
• M32: 53,790,906 km (0.113 R)
• M33: 56,854,970 km (0.074 R)
• M34: 57,038,676 km (0.034 R)
• M35: 58,898,327 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 11,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit